I'm so thankful you delve into the controversy surrounding the key size Markus. All the complaints about it equate to crying over spilled milk, especially since there's now a tabletop module on the market. If I get this bugger, it'll be the module. Then again, people still complain that the module doesn't contain rack ears or the right dimensions. Shouldn't they go fix the leak in their kitchen?
Im just pleased it is actually analog. it shows that a full analog synth can still be made with modern processes without the need for a big processor emulating everything.
the door is now open for companies to remake some wonderful old synths. I want the elka synthex and maybe a CS-80 . actually when i think about it theres lots of old synths i would like remaking. I need a bigger house and bigger bank balance :-(
Great video as usual Mark - loving all the teardowns. I also greatly enjoyed the Maplin 5600S restoration (still hankering after one of those). A couple of comments on the KARP teardown: Those pressure "switches" on the PCB are miniature strain gauges. The ball on the gauge and the metal bits in the buttons are to ensure a single point of contact and avoiding transmitting anything but the pressure in the vertical direction. The digital (obviously) USB controller also does the duty of scanning the keyboard, so the internal CV and gate are digitally generated (sorry analog purists, there's no resistor ladder in the keyboard, only "dirty" digital CV :-p )
+Trottelheimer Thanyou for that information especially about the pressure switches. it all helps other people and I get to gain information from you guys posting things here. Many Thanks from Markus
The next video's the one I'm waiting for! I'm resurrecting the Maplin synth that I built back in the 80's. It's how I got into synths. Happy memories. 😃
Hi Markus, It's the exact same model as you showed in the video, a 5600S. Ah, yes, the patch plugs. Now that's got me thinking...ok, I've found them, but I've only got 12. You are welcome to borrow them but will need them back at some stage. I'm busy starting up a new business, so I will not have time to do the 5600S resurrection for a while. I've still got the build manual which I can scan if you need it. Bob
Bob Fuller Hi Bob. Thats a very generous offer, I am going to look into it today and see how much of the thing has been completed as there are 3 holes in the back with sockets missing so I do not know if everything has been completed. But yes I would love to try out with the pins if i get the thing to light up. and would of course send them back insured special delivery as i know they are quite expensive. I will try and send a private message later today and give you my details. Thanks Bob from Markus.
Thanks for showing the guts of it. really eager to see the next video ;) This channel deserves more views/likes ,definitely I'll promote this to my friends.
markusfuller at 6:06 once you get the main board out, what is that epoxy/glob of glue clear looking stuff? whats its purpose? Plus I love love love love love your videos sir!!!!
Hi Marc, Im not absolutely sure but it may be to keep out any humidity around those few components which would help in keeping the oscillators more stable. (possibly). ?
I'm a bit disappointed that they used single turn pots for vcos scaling. I have to scale mine, and I'm afraid that it will make it harder. Maybe I should upgrade these to multiturn ones? ;)
I just bought mine yesterday, and it does sound like would expect from a proper analogue synthesizer. And it has a lot of odd design details - some which probably aren't entirely desirable for everyone, so I was wondering if it could be modded. And thanks to your splendid video, I know at least what sort of challenge I would be facing: Tiny tiny SMD components! Too small for my big clumsy fingers to weld anything on to. ;)
Brilliant Markus - thanks for that! Been dying to see the insides of this (not that I'd know what Im looking at!) - really appreciate your bravery/curiosity! Enjoy the synth mate!
Hi mCKENIC . Thankyou. I always wanted one of these (original ones) but this is just as good . even better as theres midi on it. some incredibly big sounds in this little thing.
+markusfuller absolutely Markus, I don't get the hate in any direction, embrace or walk away, it's pretty easy. Seeing inside these modern weapons is an eye opener. I haven't opened mine up but appreciate you doing it, I would like to know if there are any option son the board for future hacks though, you mentioned nine in the video, do I assume there are none?
But Don't forget who Helped Bring the Odyssey Back. "David Friend" The Same Guy who helped to TANK ARP in the first place. At least in this role he was a consultant.
Hello Markus. Great video teardown yet again ! Thanks ! One question: I've noticed some hot melt glue spots around the VCOs area, do you have any idea what is that for ? Obviously not to hide the components, like they used to do back in the day to protect design secrets, since the glue is transparent. Maybe for some temperature stability ? I don't know... What do you think ?
Hi Alain. I think (only guessing) maybe its there to keep out Hygro moisture changes out so as to keep the vcos steady. sort of sealing them from atmospheric moisture changes. just a wild guess
wow, thx, i'm thinking of modding my fs to make it semi modular (with the ttsh/2600 could be even cooler than usinfg two 2600's like a lot do, because of functons present on ody and not on 2600, sq/st osc's being very close nevertheless). i'm surprised ppl didnt think about that b4, it's an easy task (okay "easy"; you'll need basic knowledge but it aint complex or a long job), especially the way arp synth are implemented with those rows of inputs on the 2600, and the same exact row but with swtiches instead of in jax on the ody. the idea is to catch ins and outs (audio and mod) from the switches (or else, there must be some pots here and there), and add mixers and splitter wherever they might be needed (allthough it's doable without i'm just thinking up loud) mixers are there alreeady so maybe on some ins a resistor is just enough. once conections via clean cables done, tidy the cabling as nice as you can, shield the audios if needed, and bring it al to the backplate, we might use a fancy connector, or find another option, because then, i'd like to make an external panel in a box to put behind the ody; my ttsh is 80% of full size 2600 witch is exactly the width of the ody FS, so if i make that panel in a way that the box it's fitted on canm get the ttsh to be installed on it, the istalatiuon will be real practical. then i just might offer that mod to the public if anybody interested... I'de like, if i can, to keep the original switches in place and get the ody to stay just like original once "mod kit) is unplugged (thus the fancy connector/plug), but if i cant that would not be the end of the world... for conveniance though, i would rather put connection as i explained rathjer than replace the switch row with a jack ins/outs row, because cabling in combination with another modular would be way less confortable as cables would have to go across the faceplate, witch i always try to avoid on units i design, mod and audio connectors should be on sides or borders (like those moog boxes that's neet) imo...
Nice channel, just found it browsing some synth demo vids. Didn't expect to find something that could also trigger my electronic engineering interests ;) You're basically the Dave Jones(EEVBlog) of the synthesizers. Subscribed!
Hey Markus. I've enjoyed your videos. I have a question about the Korg Arp Odyssey. Does the power button on yours feel wobbly? I just received mine and it doesn't seem solid. Just wanted to see if that is indeed standard. Thanks! Keep up the cool videos!
unimaxer Hi Yes the power button does feel a little bit wobbly, but so does the range switch and faders. Im enjoying using it but I'm being careful as i think some of the parts would be easy to break.
Do these tend to have any issues with overheating or anything like that? The Analog circuits look super simple and efficient - making me question why modern analogs is seemingly a 'new' thing...
there does not seem to be any overheating issues, the PSU is separate not built in like the original. modern analog isn't so new its always been around being made by other companies and eurorack etc I just think like fashion tends to do a full circle then analog synths is also making a comeback. I'm sure in the next couple of years all the big companies like roland yamaha korg etc will be making some more interesting true analog gear again. theres certainly enough interest in the buyers market to remake this gear again.
I own one of these, and I have a problem with the design: 1) Key trigger always resets LFO phase 2) With an envelope set to LFO Repeat and Auto Repeat, the trigger occurs part way through the LFO cycle, not the beginning These 2 things together mean that if the LFO is busy triggering the envelope and then you press a key, the rhythm is interrupted. If you trigger the keyboard repeatedly, you can even cause the envelope to never fire. This makes it near impossible to use LFO repeat musically (rhythmically) while also changing notes. How difficult would it be to: a) Disable the key trigger LFO phase reset, or: b) OR the LFO trigger and the key trigger together to feed the envelope when set to LFO Repeat? Either of these would allow me to play in rhythm.
I found a better explanation for the behavior. When in LFO repeat, the LFO square wave positively gates the envelope. When this gate is high and a key is pressed, the gate from the keyboard is effectively missed as the gate never went low. Could we XOR the LFO-based gate signal and keyboard TRIG signal to force the gate low momentarily? What's the easiest way to accomplish that with the KARP?
Thanks for sharing. I was wondering if the sustain of the AR could be made switchable (on/off). But seeing the board I think I'll wait until somebody publish the modification :-)
Markus, can you tell if the sliders are stock sliders? They have mounting holes at the top and bottom which aren't used. So I assume they are stock size?
Ni5ei Hi They do not look like anything especially made for this product so I guess you should be able to find something that should replace these if need be without buying them directly from Korg.
Great, thanks! I was asking because someone was talking about replacing them with sliders that have an LED in the tip (like the Lumina slider kit for the original Odysseys). If these are available in the right size and resistances then it should be doable.
Hi Jacob. the desktop mod would be easy for roland to make as the pitch/scatter board is a separate board already. it would be just a case of remodelling the plastic box. and I'm sure they would sell better as the keys on this thing are the worst i have ever played. i just midi into it with a proper keyboard. the synth in itself is really quite good.
markusfuller Yeah I can't imagine it's a particularly tricky mod to do, at least in terms of the electronics, just more of a fabrication job than anything. Roland might be doing it already though, apparently: www.synthtopia.com/content/2015/03/30/roland-aira-mystery-box/
+milky michael Hello Milky. I think it is something to do with sealing those components from the elements ( humidity etc ) so as to make that part of the circuit more stable. .. thats just a guess.
As I expected there's more than enough room inside to have the power supply inside the unit. I really wonder why Korg decided not to to this and use a stupid wall wart (as if we don't have enough of those already).
Great stuff, Markus! There's a really interesting interview by sonic state's nick batt at namm 2015 where he asks the official korg demo guy on modding the new odyssey...the response is extremely cagey, i think this korg guy envisaged loads of wrecked odysseys as obviously this surface mount technology is not so easily mod'ded as with the old original....
Hi Gary. Im sure this could also be Modded. Yes the components are tiny but theres several places on the tracks where you could hack into them and solder your own ideas in place. Just a bit smaller but that gives you a little more room also. interesting to see what people will do with these in the near future.
Hey mark , just wondering how big a job it would be to add CV mini jacks to this and make it semi modular 2600 ish or like the mods the axe used to get,
If they were 6cm longer, the whole synth would have to be 6cm wider to not look weird. Then the proportions would be messed up and you might as well make it original size, which was kind of large, bulky and heavy.
Great video Markus! I'm curious to know what you'd think about mods - most importantly the LFO free run mod I had on my long gone MK2 Odyssey. I remember it being rather easy to do on that synth - just cutting a trace and installing a toggle switch. Do you think it could even be conceivable on components this small?
calyx93 Hello, Im sure it can be done on these mini korg versions. the components are small but the tracks can still be got at. though I'm not sure where to start looking for the right place. there is bound to be people modding these eventually, mines back in its case at the moment as I'm stuck repairing my old maplin 5600 and its taking all my free time up at the moment.
Great video! I love tearing things apart. About the Roland, I think the same thing about most keyboards. I wish they made a module version of every synthesizer. :) there are only so many keys I need laying around. I always just use one master keyboard anyway.
I agree. there was a time when lots of successful synths were remade as modules. I think the system-1 would be an easy rework as the pitch/scatter board is already a separate board so it could just be moved to the side of the synth board.
Yes the Plugout system has been a bit of a flop for many users in that it will not load any plug-out synths unless you go through an up to date DAW first. so in my case i have Logic 9 so I cannot load the SH-101 unless i buy Logic x. I think Roland should work on this as many people do not have up to date DAWs so they are not going to purchase any plug-outs unless Roland sorts this issue out. The System-1 is a great little synth in its own right (apart from the keyboard)
same here I have Logic 9 and I'm not prepared to pay another £200 just to update to Logic-X I never use a DAW anyway I was hoping the system-1 would be No PC required. That was the original reason I was interested in it in the first place. but to pay £200 then around £79 for each software synth I'd rather save my money and buy hardware.
Chris Nowak he did tear down a kronos in a past video. Inside there is nothing more then a old celeron cpu, some RAM memory and an SSD disk. . In fact it is just an old computer, programmed by Korg using a Linux dialect, with a keyboard...
Thank you for making! Maybe just a suggestion but possibly have some arp sounds as a backing track. Would be better for those of us with add. Still like though. Thanks again!
Hi Jonathan. I am starting to add sounds and music to my later videos. I never consider myself as a good musician so was always reluctant to add my music to my videos. but I am learning as i go along.
A few years ago I saw a whiteface on eBay that had been modded with multiple patch points on the front panel. I thought concurrently "How cool" and "What a shame". It will be cool to see how people hack this thing up (think Monotron, Monotribe, etc.). I'd love to be able to patch it into a modular or TTSH or (dare I say) a 2600...
Hello Markus, i got a question about this very synth. I have one of those with me, and it doesnt turn on (no led, no sound, nothing). When inspecting the power board, i found the 54240 IC (step down converter) to get really hot, but only after trying to power the unit up. Its way too hot to be normal, and its the only thing that looks suspicious in the board. What do you think?
Hey i've got a question! I have the Korg Odyssey FS and I love the synth but I hate the keys. They are very cheap feeling.. So what would be my best bet on upgrading them? Should i replace each key and see if that helps? Or buy a whole new three octave keyboard and try and get it wired up. I've never torn anything like this down before. Thanks for any suggestions!
Great vid Markus! i just ordered the module rev 3,can you by any chance explain how to hook midi up to this? I am pretty new to synths, but don't have a clue how to do this, i have a korg ms-20 and moog stage two phatty,and it's confusing to say the least. Excellent vid! Convinced me to buy the module!
MyBichSustained Hi I believe the midi is note only and will only control the keyboard as in notes played, it will not control any fader settings. unless theres been an update that i dont know about.
Thanks for quick reply!i hope to figure it out, main reason i got it is it has a External Audio Input,hoping i can send my keyboard that way! Again thanks for reply, love the vids!
Another excellent and valuable video! And pleeeeease don't tell me you found that Maplin synth at a car boot sale!!! I look forward eagerly to the video :)
Hi Reuben. Im really sorry but yes it was from a car boot sale. It was still costly £450 as theres a few jack sockets missing on the back so I was not sure everything would be inside. Mad as i am I took the gamble and the innards do look fully boarded. will i get it going though thats the big question ?. fingers crossed........
markusfuller Hi Markus, thanks for the reply :) What a find! Do the car boot sales you go to happen to have a high concentration of musical instruments, or is it pure luck and persistence that pays off once in a while? I also wanted to ask whether you would dare mess around with any of the trim pots in the Karp Odyssey?
Hi Reuban. I go to 4 car boots every week one is 25 miles away, Its just persistence that sometimes pays off plus some dealers know i want this type of thing so save bits for me. but i can go for months finding nothing at all. as for the pots in the Karp no way will i move any of those without any knowledge of what they are for. theres 5 that can be accessed from the front panel by removing rubber grommets but the rest inside No chance :-(
Hi is it normal to feel a slight vibration when the power is connected if you lightly touch the back panel? Something to do with grounding. I just noticed it on mine after it fell over accidentally. No idea if it was like that before but I never noticed it until now. Is there anything I could check inside to make sure some damage wasn't done.
@@markusfuller I have an old Macbook that does the same. It only does it if I barely touch it. Since the psu is two prong doesn't that mean there is no grounding or does it do it through the 2?
Count the trim pots on the mainboard. All of those have to be set by a tech. And now you know why no one does true analog anymore. (also is why it's so expensive. people are expensive)
@@markusfuller they are next to each other! If you can somehow video chat with me I can show you first hand. I’m not sure exactly what happened but it happens all at once
I no longer have my odyssey so cannot open it up to guess what may be wrong with yours. there may be a small crack on the copper track on the board under the keys or even a fault on the ribbon cable that connects it to the main board. I am only guessing but i had a keyboard that worked until i pressed a certain key and then several keys next to that would stop suddenly but it starts working again, I found there was a small crack on the copper circuit and i had to solder across the crack to reconnect it. i remember it was very hard to find because a multimeter would test the track as ok until i pressed hard on the key which slightly bent the board and then the multimeter would register a fault again. look at the tracks that come from that key and see which one is shared with the other 3 keys that stop working then there is a chance that the fault may be somewhere along that.
is it possible to have a midi keyboard and take the keyboard and build a case and have a organ emulator and have it all in one case so basically the keyboard and organ emulator are attached
JacobRivard Hi, Yes I have seen where people have made their own organs that are actually midi keyboards with built in PCs running synth and organ emulators. the Korg Kronos is an atom computer in a case with the midi keyboard and midi controllers on it and touch screen.
to my mind the newer korg odysseys do not sound quite as 'tasty' as the old ones - my best guess is that the difference is largely due to to the higher capacity power supply and MUCH larger cross sectional area in the solder-flowed traces on the original which are capable of carrying far more current.... but it's just a theory... it's a feature unique to the old arp synths - and they have a dynamic range that is only shared by the EMS synths .
THEMASCHINER talking to me? i have both.... the older one is a Mk.III. iit's just my impression - could be age of components - but they sound different to me... the new korg one more 'raspy', less 'deep'...
my guess korg pays big royalties to ARP because there is not alot going on in there for a 1000 euro mono synth , great little synth but still different sounding to the original ,less bite and grunt , i payed 200 euro for a mint white MK1 1972 original when nobody wanted these.
+AlainRaes67 I had so many wonderful synths in the past and sold them on cheap as they were not worth anything and were just taking up room. oh if only I had saved them there was some god ones as well as the ARP original (though i found it a little hard to understand at the time)
yes everybody that first encounters an ody or a 2600 keep scratching their heads why it keeps on outputting sound when they up the vca level slider and NOT touching the keys, until they notice you have to set it at 75 percent as anything above it is auto hold mode HA!
markusfuller yep I know that I had an odyssey years ago. but korg could have mounted them nearer the sliders to make them easier to see. lfo led is not to bad but the gate led is nowhere near it. 🤔
Joan Rue Hi, Sorry I have been really busy trying to repair the damn thing and theres so many things wrong with it I'm having to almost rebuild the entire synth.
OK, I know the problem .... Good Luck .... it is definitely worth it and I have to wait, for so many things, so .... what is one year or one month .... If you see the result, working for the first time ....
Would you be able to tell me how to make a patch called g-funk/funky worm etc. It is used on a lot of rap songs like "Gin and Juice" "Dre-Day" and several others. Kind of like a sine wave sort of whistle. Thanks!
Hi Dee , sorry Im the wrong person to ask. when it comes to making sounds Im really lazy and often just use presets with just a few little changes then maybe guitar effects pedals from the outputs and into the mixer. the most interesting sounds I have made and saved are completely random where I have made something by accident. sorry about that. have a great new year. from markus.
i think Dre used the minimoog for a lot for these sounds. so probably look for moog and dr.dre combo or something like that. Other than that and to come down to the minikeys. I HATE MINIKEYS. WHYYYYYYY are there minikeys? i have never heard a good argument.
Frankly, these are not mini-keys. Compared to the micro korg/micro brute/JD-xa these are pretty big. They are actually called slim keys and they are much longer and a little narrower than standard. If you want the full size keys then buy the Korg Arp Odyssey Full size for a grand more this year. :) Honestly, the value of this synth makes up for the 14% smaller keys. Yeah, the mini moog did it originally but I think the Ohio Players created the patch on the "Funky Worm" track in the 70's. That's the first time I have heard that sound. :)
i have a minilogue. has slim keys. still don`t agree with their existence. Vest value odyssey would be the desktop version for me. Dre i mentioned cause since the sound are similar it might be easier to find his patches since he is-was not that long ago. was just a thought
Hi Markus, Thanks for your reply, my name's mike, the youtube account is just a user name...i would be very nervous about trying to mod a synth with surface mount technology...perhaps it would be better if people were to wait until the warranty on their new arps was up???
roberto carlos . oh ok i checked with google and it said a poder board was for ski-ing on snow :-) . but yes power board what seems to be the problem ?.
+skyprop Hi Yes it is a modern analog version of the original with all the good and bad things that the original had. Korg even had David Friend as a consultant during the design and manufacture of this K-ARP. the only thing i dont like about it is the external power supply unit. I think they could have put that in the unit like the originals. but yes it is very close to the original by about 83%
Thank you loads for this very insightful teardown, Markus. At ua-cam.com/video/4p4NUiKwxpo/v-deo.htmlm14s you show the LFO section. Did you or has anyone else attempted to put a switch in there to disable LFO sync to keyboard, when needed? Similar to this original mod www.arpodyssey.com/iotech-arp-odyssey-lfo-free-run.htm ? Thank you for any hints and keep up the great work.
Markus, well, i didn't find any obvious mode yet. I'll keep on searching, but i suppose, that the SMD layout kind of stops a lot of mod attempts. Thanx for answering in any case and greets from berlin.
+HatredPrime I think it has to do with EMF testing. It's easier to have an external PS that is used on a few products tested than it is to have every product tested. Either that or they're forced by regulation to use a switching PS and don't want to have to deal with proper shielding to prevent the PS from producing interference in the synth voice.
+HatredPrime I can think of several other reasons for external power supplies. It reduces the weight of the unit (no need for ac-dc transformers), it makes the instruments easier to maintain (fixing power supplies isn't the most fun in the world - much easier to just replace the wall wart), and quite probably reduces cost since the companies probably have a bulk discount on the external psu's instead of making boards to fit each synth. Really I don't see the positives of having an internal power supply, unless you need to have multiple different voltages (and some ac power) and it's impractical to make a custom built external supply.
Only time will tell how this new printed circuitry will last. Made in china (Build time about 1 hour) Should be about the same price as there MS20 mini.
I'm so thankful you delve into the controversy surrounding the key size Markus. All the complaints about it equate to crying over spilled milk, especially since there's now a tabletop module on the market. If I get this bugger, it'll be the module.
Then again, people still complain that the module doesn't contain rack ears or the right dimensions. Shouldn't they go fix the leak in their kitchen?
great video Markus! :)
very interesting. the inside looks very different to the old Mk. III
Im just pleased it is actually analog. it shows that a full analog synth can still be made with modern processes without the need for a big processor emulating everything.
markusfuller
analog but realized with modern smd technology.
the door is now open for companies to remake some wonderful old synths. I want the elka synthex and maybe a CS-80 . actually when i think about it theres lots of old synths i would like remaking. I need a bigger house and bigger bank balance :-(
markusfuller haha I think the most want that. :)
Sorry I forgot to say. I mentioned you in my video about you comparing the sounds on the odysseys. I hope you don't mind.
Great video as usual Mark - loving all the teardowns. I also greatly enjoyed the Maplin 5600S restoration (still hankering after one of those).
A couple of comments on the KARP teardown: Those pressure "switches" on the PCB are miniature strain gauges. The ball on the gauge and the metal bits in the buttons are to ensure a single point of contact and avoiding transmitting anything but the pressure in the vertical direction. The digital (obviously) USB controller also does the duty of scanning the keyboard, so the internal CV and gate are digitally generated (sorry analog purists, there's no resistor ladder in the keyboard, only "dirty" digital CV :-p )
+Trottelheimer Thanyou for that information especially about the pressure switches. it all helps other people and I get to gain information from you guys posting things here. Many Thanks from Markus
The next video's the one I'm waiting for! I'm resurrecting the Maplin synth that I built back in the 80's. It's how I got into synths. Happy memories. 😃
Hi Bob. which marlin synth do you have ?. is it the spectrum or 3600 4600 5600?. I need some patch pins for this 5600s before i can even get started.
Hi Markus,
It's the exact same model as you showed in the video, a 5600S.
Ah, yes, the patch plugs. Now that's got me thinking...ok, I've found them, but I've only got 12. You are welcome to borrow them but will need them back at some stage. I'm busy starting up a new business, so I will not have time to do the 5600S resurrection for a while. I've still got the build manual which I can scan if you need it.
Bob
Bob Fuller Hi Bob. Thats a very generous offer, I am going to look into it today and see how much of the thing has been completed as there are 3 holes in the back with sockets missing so I do not know if everything has been completed. But yes I would love to try out with the pins if i get the thing to light up. and would of course send them back insured special delivery as i know they are quite expensive. I will try and send a private message later today and give you my details. Thanks Bob from Markus.
Thanks for showing the guts of it.
really eager to see the next video ;)
This channel deserves more views/likes ,definitely I'll promote this to my friends.
Thankyou Pooya Payvar :-)
The analogueness of the circuitry on that main board has convinced me - I have to have an Odyssey.
+45rpm they sound very good but are a little bit awkward to program. still that helps to accidentally find interesting sounds sometimes.
+markusfuller dude it's one of the easiest things ever to play and program! 😳😳
Rewarding piece of gear
Great video Markus, i'm glad it's all analog & no digital trickery going on.
Im happy i have seen inside it to confirm. I would have been really annoyed if it had one big processor in there.
markusfuller
Agreed.
Thank you Markus! Thank you....
Great video thanks! I was wondering just how "Analogue" this synth was. Glad to know it's 100 %!
Kevin Hannon why would it matter??
because of its sound
AnalogAudio1 If you can't tell if it's analog or not from the sound, it doesn't matter either way, does it?
AnalogAudio1 👍🏻
How cool that you’re doing this!
Indeed Roland released System-1m, without the keyboard. It can be used as a tabletop unit, 19" rackmount, or Eurorack.
Thanks for sharing this. Amazing how much stuff can be put into one of these.
everything is so tiny inside, It would be really difficult to repair if needed.
Thanks for this... Very useful.
Synth Builder Thankyou Too. I like your video with the 2600
ha look at that hot glue for added vco stability love it !
FULL SIZE version out now.
markusfuller at 6:06 once you get the main board out, what is that epoxy/glob of glue clear looking stuff? whats its purpose? Plus I love love love love love your videos sir!!!!
Hi Marc, Im not absolutely sure but it may be to keep out any humidity around those few components which would help in keeping the oscillators more stable. (possibly). ?
I'm a bit disappointed that they used single turn pots for vcos scaling. I have to scale mine, and I'm afraid that it will make it harder. Maybe I should upgrade these to multiturn ones? ;)
Thumbs up for mentioning Retrosound !!
Nice video!
Looking fwd to seeing the sub 37 tear down.
As always: really great and useful video. Thanks Markus. Thumb Up!
I just bought mine yesterday, and it does sound like would expect from a proper analogue synthesizer. And it has a lot of odd design details - some which probably aren't entirely desirable for everyone, so I was wondering if it could be modded. And thanks to your splendid video, I know at least what sort of challenge I would be facing: Tiny tiny SMD components! Too small for my big clumsy fingers to weld anything on to. ;)
Instant sub, fantastic video! Can't believe I've only now found your channel
Brilliant Markus - thanks for that! Been dying to see the insides of this (not that I'd know what Im looking at!) - really appreciate your bravery/curiosity! Enjoy the synth mate!
Im always happy that the things still work after i have pulled them apart. it wasn't always the case when i was younger LOL
Hi mCKENIC . Thankyou. I always wanted one of these (original ones) but this is just as good . even better as theres midi on it. some incredibly big sounds in this little thing.
thanks Markus!!
Very interesting,thanks!
It's actually amazing, rather than hating on the use of new tech and it's use in analogue I'm a fan of it.
+jamie munro I like both old and new tech, plus digital and analog, they both have their good points.
+markusfuller absolutely Markus, I don't get the hate in any direction, embrace or walk away, it's pretty easy. Seeing inside these modern weapons is an eye opener. I haven't opened mine up but appreciate you doing it, I would like to know if there are any option son the board for future hacks though, you mentioned nine in the video, do I assume there are none?
+jamie munro mentioned 'none' not nine, why doesn't YT allow editing arrrggghhh
But Don't forget who Helped Bring the Odyssey Back. "David Friend" The Same Guy who helped to TANK ARP in the first place. At least in this role he was a consultant.
+skyprop I hope he will not do the same with KORG ;-)
well...the AVATAR was not a good idea.
Hello Markus. Great video teardown yet again ! Thanks !
One question: I've noticed some hot melt glue spots around the VCOs area, do you have any idea what is that for ? Obviously not to hide the components, like they used to do back in the day to protect design secrets, since the glue is transparent. Maybe for some temperature stability ? I don't know... What do you think ?
Hi Alain. I think (only guessing) maybe its there to keep out Hygro moisture changes out so as to keep the vcos steady. sort of sealing them from atmospheric moisture changes. just a wild guess
Great video, thanks!
Great vid markus.. Love looking inside new and old gear :-)
wow, thx, i'm thinking of modding my fs to make it semi modular (with the ttsh/2600 could be even cooler than usinfg two 2600's like a lot do, because of functons present on ody and not on 2600, sq/st osc's being very close nevertheless). i'm surprised ppl didnt think about that b4, it's an easy task (okay "easy"; you'll need basic knowledge but it aint complex or a long job), especially the way arp synth are implemented with those rows of inputs on the 2600, and the same exact row but with swtiches instead of in jax on the ody. the idea is to catch ins and outs (audio and mod) from the switches (or else, there must be some pots here and there), and add mixers and splitter wherever they might be needed (allthough it's doable without i'm just thinking up loud) mixers are there alreeady so maybe on some ins a resistor is just enough. once conections via clean cables done, tidy the cabling as nice as you can, shield the audios if needed, and bring it al to the backplate, we might use a fancy connector, or find another option, because then, i'd like to make an external panel in a box to put behind the ody; my ttsh is 80% of full size 2600 witch is exactly the width of the ody FS, so if i make that panel in a way that the box it's fitted on canm get the ttsh to be installed on it, the istalatiuon will be real practical. then i just might offer that mod to the public if anybody interested... I'de like, if i can, to keep the original switches in place and get the ody to stay just like original once "mod kit) is unplugged (thus the fancy connector/plug), but if i cant that would not be the end of the world... for conveniance though, i would rather put connection as i explained rathjer than replace the switch row with a jack ins/outs row, because cabling in combination with another modular would be way less confortable as cables would have to go across the faceplate, witch i always try to avoid on units i design, mod and audio connectors should be on sides or borders (like those moog boxes that's neet) imo...
Nice channel, just found it browsing some synth demo vids. Didn't expect to find something that could also trigger my electronic engineering interests ;) You're basically the Dave Jones(EEVBlog) of the synthesizers. Subscribed!
Rivalo Thanks Rivalo. I have more vids on the way soon :-)
Hey Markus. I've enjoyed your videos. I have a question about the Korg Arp Odyssey. Does the power button on yours feel wobbly? I just received mine and it doesn't seem solid. Just wanted to see if that is indeed standard. Thanks! Keep up the cool videos!
unimaxer Hi Yes the power button does feel a little bit wobbly, but so does the range switch and faders. Im enjoying using it but I'm being careful as i think some of the parts would be easy to break.
Do these tend to have any issues with overheating or anything like that? The Analog circuits look super simple and efficient - making me question why modern analogs is seemingly a 'new' thing...
there does not seem to be any overheating issues, the PSU is separate not built in like the original. modern analog isn't so new its always been around being made by other companies and eurorack etc I just think like fashion tends to do a full circle then analog synths is also making a comeback. I'm sure in the next couple of years all the big companies like roland yamaha korg etc will be making some more interesting true analog gear again. theres certainly enough interest in the buyers market to remake this gear again.
I own one of these, and I have a problem with the design:
1) Key trigger always resets LFO phase
2) With an envelope set to LFO Repeat and Auto Repeat, the trigger occurs part way through the LFO cycle, not the beginning
These 2 things together mean that if the LFO is busy triggering the envelope and then you press a key, the rhythm is interrupted. If you trigger the keyboard repeatedly, you can even cause the envelope to never fire. This makes it near impossible to use LFO repeat musically (rhythmically) while also changing notes.
How difficult would it be to:
a) Disable the key trigger LFO phase reset, or:
b) OR the LFO trigger and the key trigger together to feed the envelope when set to LFO Repeat?
Either of these would allow me to play in rhythm.
I found a better explanation for the behavior. When in LFO repeat, the LFO square wave positively gates the envelope. When this gate is high and a key is pressed, the gate from the keyboard is effectively missed as the gate never went low.
Could we XOR the LFO-based gate signal and keyboard TRIG signal to force the gate low momentarily? What's the easiest way to accomplish that with the KARP?
Yes. There is a simple mod involving cutting a single trace detailed in Reddit. I’m going to try it now
Hello Markus
I would like to change the Trimmer pot of the VCO 2 Scale. Do you know the reference of this pot ?
How do you calibrate this thing?
Thanks for sharing. I was wondering if the sustain of the AR could be made switchable (on/off). But seeing the board I think I'll wait until somebody publish the modification :-)
Would be nice to have some pictures of the boards, think about that for the next videos. Thanks
Hi David. theres some high res images on my google+ page
thanks Cool!
Excellent video as I'd expect from you Markus. I now NEED an Odyssey to go with all my other toys. :)
I always wanted an odyssey but they sold for too much money. Im so pleased Korg did such a good replica of the original, Im quite happy with it :-)
Fantastic. :)
Would be interesting to see what is inside a Buchla Modular...
Richard Stevens I wish Buchla would loan me one as I certainly cannot afford to buy one. they are amazing machines and I would love to get inside one.
Markus, can you tell if the sliders are stock sliders?
They have mounting holes at the top and bottom which aren't used. So I assume they are stock size?
Ni5ei Hi They do not look like anything especially made for this product so I guess you should be able to find something that should replace these if need be without buying them directly from Korg.
Great, thanks!
I was asking because someone was talking about replacing them with sliders that have an LED in the tip (like the Lumina slider kit for the original Odysseys). If these are available in the right size and resistances then it should be doable.
I'm sure someone will make the kit up like the Lumina kits. but the sliders are slightly shorter though should be do-able
Love your videos! Looking forward to the next one, but please, definitely would love to see a desktop mod of the System1!
Hi Jacob. the desktop mod would be easy for roland to make as the pitch/scatter board is a separate board already. it would be just a case of remodelling the plastic box. and I'm sure they would sell better as the keys on this thing are the worst i have ever played. i just midi into it with a proper keyboard. the synth in itself is really quite good.
markusfuller Yeah I can't imagine it's a particularly tricky mod to do, at least in terms of the electronics, just more of a fabrication job than anything. Roland might be doing it already though, apparently: www.synthtopia.com/content/2015/03/30/roland-aira-mystery-box/
Im ok at circuit boards but my fabrication methods would look pretty shabby. none of my shelves are level LOL
Interesting Comparison Markus
Just curious to know what that super glue type clear stuff is on the board at 5:54 ???
im sure it serves a purpose, just looks very sporadic
+milky michael Hello Milky. I think it is something to do with sealing those components from the elements ( humidity etc ) so as to make that part of the circuit more stable. .. thats just a guess.
As I expected there's more than enough room inside to have the power supply inside the unit. I really wonder why Korg decided not to to this and use a stupid wall wart (as if we don't have enough of those already).
External power supply = quieter signal
thanks for this
Great stuff, Markus! There's a really interesting interview by sonic state's nick batt at namm 2015 where he asks the official korg demo guy on modding the new odyssey...the response is extremely cagey, i think this korg guy envisaged loads of wrecked odysseys as obviously this surface mount technology is not so easily mod'ded as with the old original....
Hi Gary. Im sure this could also be Modded. Yes the components are tiny but theres several places on the tracks where you could hack into them and solder your own ideas in place. Just a bit smaller but that gives you a little more room also. interesting to see what people will do with these in the near future.
Hey mark , just wondering how big a job it would be to add CV mini jacks to this and make it semi modular 2600 ish or like the mods the axe used to get,
Hi Bob i thought it already had CV and gate mini jacks on the back ?.
your channel is so great ! what a good video concept, thankyou. very educational
If they were 6cm longer, the whole synth would have to be 6cm wider to not look weird. Then the proportions would be messed up and you might as well make it original size, which was kind of large, bulky and heavy.
***** I totally agree with you. I have seen this side by side with the original and i think this is actually a perfect size now.
Great video Markus! I'm curious to know what you'd think about mods - most importantly the LFO free run mod I had on my long gone MK2 Odyssey. I remember it being rather easy to do on that synth - just cutting a trace and installing a toggle switch. Do you think it could even be conceivable on components this small?
calyx93 Hello, Im sure it can be done on these mini korg versions. the components are small but the tracks can still be got at. though I'm not sure where to start looking for the right place. there is bound to be people modding these eventually, mines back in its case at the moment as I'm stuck repairing my old maplin 5600 and its taking all my free time up at the moment.
Great video! I love tearing things apart. About the Roland, I think the same thing about most keyboards. I wish they made a module version of every synthesizer. :) there are only so many keys I need laying around. I always just use one master keyboard anyway.
I agree. there was a time when lots of successful synths were remade as modules. I think the system-1 would be an easy rework as the pitch/scatter board is already a separate board so it could just be moved to the side of the synth board.
That's a really good idea. I have still yet to mess with the system-1 in person, but the plug out system has me intrigued.
Yes the Plugout system has been a bit of a flop for many users in that it will not load any plug-out synths unless you go through an up to date DAW first. so in my case i have Logic 9 so I cannot load the SH-101 unless i buy Logic x. I think Roland should work on this as many people do not have up to date DAWs so they are not going to purchase any plug-outs unless Roland sorts this issue out. The System-1 is a great little synth in its own right (apart from the keyboard)
Wow, I'd be SOL as well. Still using Logic pro 9.
same here I have Logic 9 and I'm not prepared to pay another £200 just to update to Logic-X I never use a DAW anyway I was hoping the system-1 would be No PC required. That was the original reason I was interested in it in the first place. but to pay £200 then around £79 for each software synth I'd rather save my money and buy hardware.
What is that clear fluid on the board at 05:54? What’s the purpose? 🤔
Did you ever tear down a Kronos mate? Very odd scanning system in there with little rubber plungers as key sensors.
Chris Nowak he did tear down a kronos in a past video.
Inside there is nothing more then a old celeron cpu, some RAM memory and an SSD disk. .
In fact it is just an old computer, programmed by Korg using a Linux dialect, with a keyboard...
how do you fix a non working key? Is there a way to take them off without taking it all apart?
Hi Michael sadly you cannot take off the keys without opening the unit first.
Thank you for making! Maybe just a suggestion but possibly have some arp sounds as a backing track. Would be better for those of us with add. Still like though. Thanks again!
Hi Jonathan. I am starting to add sounds and music to my later videos. I never consider myself as a good musician so was always reluctant to add my music to my videos. but I am learning as i go along.
A few years ago I saw a whiteface on eBay that had been modded with multiple patch points on the front panel. I thought concurrently "How cool" and "What a shame". It will be cool to see how people hack this thing up (think Monotron, Monotribe, etc.). I'd love to be able to patch it into a modular or TTSH or (dare I say) a 2600...
Adur starts again 4th april! See you there! nice video thanks
Hi James. Look forward to seeing you there :-) start of a new year of synth hunting......
Love seeing the inside of these synths you take apart, but Marcus what is that beast at the end of your video?
Hi Kolinu2 its the Maplin 5600s . needs a lot of attention but I really want to get it going as its a very rare 4 oscillator synth.
markusfuller Can't wait to see that video. It looks great.
Hello Markus, I would love to see an hardware analysis of the korg radias on your channel. Just a suggestion :) thx for considering.
+Heinz Mandala Hello Heinz, If ever I get one I will do the video :-) best wishes from Markus
Take the AIRA, cut out the keyboard, cut out the inside, cut out the neon edging and put in an SH-101
Hello Markus, i got a question about this very synth. I have one of those with me, and it doesnt turn on (no led, no sound, nothing). When inspecting the power board, i found the 54240 IC (step down converter) to get really hot, but only after trying to power the unit up. Its way too hot to be normal, and its the only thing that looks suspicious in the board. What do you think?
Hey i've got a question! I have the Korg Odyssey FS and I love the synth but I hate the keys. They are very cheap feeling.. So what would be my best bet on upgrading them? Should i replace each key and see if that helps? Or buy a whole new three octave keyboard and try and get it wired up. I've never torn anything like this down before. Thanks for any suggestions!
Great vid Markus!
i just ordered the module rev 3,can you by any chance explain how to hook midi up to this?
I am pretty new to synths, but don't have a clue how to do this, i have a korg ms-20 and moog stage two phatty,and it's confusing to say the least.
Excellent vid!
Convinced me to buy the module!
MyBichSustained Hi I believe the midi is note only and will only control the keyboard as in notes played, it will not control any fader settings. unless theres been an update that i dont know about.
Thanks for quick reply!i hope to figure it out, main reason
i got it is it has a External Audio Input,hoping i can send my keyboard
that way!
Again thanks for reply, love the vids!
Another excellent and valuable video!
And pleeeeease don't tell me you found that Maplin synth at a car boot sale!!! I look forward eagerly to the video :)
Hi Reuben. Im really sorry but yes it was from a car boot sale. It was still costly £450 as theres a few jack sockets missing on the back so I was not sure everything would be inside. Mad as i am I took the gamble and the innards do look fully boarded. will i get it going though thats the big question ?. fingers crossed........
markusfuller Hi Markus, thanks for the reply :) What a find! Do the car boot sales you go to happen to have a high concentration of musical instruments, or is it pure luck and persistence that pays off once in a while?
I also wanted to ask whether you would dare mess around with any of the trim pots in the Karp Odyssey?
Hi Reuban. I go to 4 car boots every week one is 25 miles away, Its just persistence that sometimes pays off plus some dealers know i want this type of thing so save bits for me. but i can go for months finding nothing at all. as for the pots in the Karp no way will i move any of those without any knowledge of what they are for. theres 5 that can be accessed from the front panel by removing rubber grommets but the rest inside No chance :-(
Hi is it normal to feel a slight vibration when the power is connected if you lightly touch the back panel? Something to do with grounding. I just noticed it on mine after it fell over accidentally. No idea if it was like that before but I never noticed it until now. Is there anything I could check inside to make sure some damage wasn't done.
Hi That sounds very strange. there should be no vibration when the power supply is connected.
@@markusfuller I have an old Macbook that does the same. It only does it if I barely touch it. Since the psu is two prong doesn't that mean there is no grounding or does it do it through the 2?
Count the trim pots on the mainboard. All of those have to be set by a tech.
And now you know why no one does true analog anymore. (also is why it's so expensive. people are expensive)
What?? No Epoxy-Embeded Modules????
Well done! Thanks for this.
Hey I have a question, my Korg arp odyssey recently stopped functioning on 4 keys, I’m wondering what the problem is
Hello Michael. are all the 4 keys next to each other or spread out along the keyboard. and did they stop working at the same time.
@@markusfuller they are next to each other! If you can somehow video chat with me I can show you first hand. I’m not sure exactly what happened but it happens all at once
I no longer have my odyssey so cannot open it up to guess what may be wrong with yours. there may be a small crack on the copper track on the board under the keys or even a fault on the ribbon cable that connects it to the main board. I am only guessing but i had a keyboard that worked until i pressed a certain key and then several keys next to that would stop suddenly but it starts working again, I found there was a small crack on the copper circuit and i had to solder across the crack to reconnect it. i remember it was very hard to find because a multimeter would test the track as ok until i pressed hard on the key which slightly bent the board and then the multimeter would register a fault again. look at the tracks that come from that key and see which one is shared with the other 3 keys that stop working then there is a chance that the fault may be somewhere along that.
is it possible to have a midi keyboard and take the keyboard and build a case and have a organ emulator and have it all in one case so basically the keyboard and organ emulator are attached
JacobRivard Hi, Yes I have seen where people have made their own organs that are actually midi keyboards with built in PCs running synth and organ emulators. the Korg Kronos is an atom computer in a case with the midi keyboard and midi controllers on it and touch screen.
to my mind the newer korg odysseys do not sound quite as 'tasty' as the old ones - my best guess is that the difference is largely due to to the higher capacity power supply and MUCH larger cross sectional area in the solder-flowed traces on the original which are capable of carrying far more current.... but it's just a theory... it's a feature unique to the old arp synths - and they have a dynamic range that is only shared by the EMS synths .
Do you own a vintage oddy or the korg s? Curious. I've got both and I'll counter your argument by saying you're so wrong
THEMASCHINER talking to me? i have both.... the older one is a Mk.III. iit's just my impression - could be age of components - but they sound different to me... the new korg one more 'raspy', less 'deep'...
Nah....they sound just like the originals. I own both.
my guess korg pays big royalties to ARP because there is not alot going on
in there for a 1000 euro mono synth , great little synth but still different sounding to the original ,less bite and grunt , i payed 200 euro for a mint white MK1 1972 original when nobody wanted these.
+AlainRaes67 I had so many wonderful synths in the past and sold them on cheap as they were not worth anything and were just taking up room. oh if only I had saved them there was some god ones as well as the ARP original (though i found it a little hard to understand at the time)
yes everybody that first encounters an ody or a 2600 keep scratching their heads why
it keeps on outputting sound when they up the vca level slider and NOT touching the keys, until they notice you have to set it at 75 percent as anything above it is auto hold mode HA!
excellent
I want to buy an fx pedal for my Arp. an analog delay or analog reverb. I can only afford one. What would you pick? :)
Hmm thats a difficult one but if I had to choose I would go for reverb 55% and delay 45%
At the bottom left of the CPU board, it looks like Korg labeled the pinout. Did you get any photos of that? I want to see what the labels are.
Actually, I may be able to make it out from the closer shots near the end.
Pete Brown Hi Pete I loaded a few images onto my google+ page maybe its on there ?.
markusfuller I don't see it there, but thank you for the teardown.
Sorry Pete. I screwed it all back together now and am working on the next synth already. my apologies
And I Guess Korg Owns ARP's Trade names and Designs?
yes
what are the 2 led's near the lfo and gate sliders. there no holes for them on the front panel for them?
Terry Kelling I know but they are placed so you can see them glowing through the gap of the sliders
markusfuller ok. seems a bit strange there not mounted on the front panel if your ment to be able to see them properly!
Terry Kelling I guess its because they wanted it to look like the original. there were no leds for the lfo on the original one.
markusfuller yep I know that I had an odyssey years ago. but korg could have mounted them nearer the sliders to make them easier to see. lfo led is not to bad but the gate led is nowhere near it. 🤔
thanks mate. I was also
wondering. why are some of the components covered in what looks like epoxy resin?
Whatever will they come up with next ?
Elka Synthex please :-)
6:56 Japanese Radio Corp. chippie
The ring mod is digital, like the original.
Always hate seeing a CrapXon cap in a nice instrument like this.
Where is the next video??? I can't wait any longer .... /// >>>???
Joan Rue Hi, Sorry I have been really busy trying to repair the damn thing and theres so many things wrong with it I'm having to almost rebuild the entire synth.
What??? I hope you'll get well paid Tor this! For all the parts ans All the labor!? I saw this Synthesizer in the net, but Never in Action!
I have seen a few videos on it but nothing long enough to show what it can do. I really must get back on it as i have started to get bored of it.
OK, I know the problem .... Good Luck .... it is definitely worth it and I have to wait, for so many things, so .... what is one year or one month .... If you see the result, working for the first time ....
What was that beast at the end?
Hi Its the Maplin 5600s home built synthesiser. Im working on the video at the moment but it may be a while before i get the thing working.
Thank you :)
Would you be able to tell me how to make a patch called g-funk/funky worm etc. It is used on a lot of rap songs like "Gin and Juice" "Dre-Day" and several others. Kind of like a sine wave sort of whistle. Thanks!
Hi Dee , sorry Im the wrong person to ask. when it comes to making sounds Im really lazy and often just use presets with just a few little changes then maybe guitar effects pedals from the outputs and into the mixer. the most interesting sounds I have made and saved are completely random where I have made something by accident. sorry about that. have a great new year. from markus.
Thanks anyway! No prob! Happy new year!
i think Dre used the minimoog for a lot for these sounds. so probably look for moog and dr.dre combo or something like that. Other than that and to come down to the minikeys. I HATE MINIKEYS. WHYYYYYYY are there minikeys? i have never heard a good argument.
Frankly, these are not mini-keys. Compared to the micro korg/micro brute/JD-xa these are pretty big. They are actually called slim keys and they are much longer and a little narrower than standard. If you want the full size keys then buy the Korg Arp Odyssey Full size for a grand more this year. :) Honestly, the value of this synth makes up for the 14% smaller keys. Yeah, the mini moog did it originally but I think the Ohio Players created the patch on the "Funky Worm" track in the 70's. That's the first time I have heard that sound. :)
i have a minilogue. has slim keys. still don`t agree with their existence. Vest value odyssey would be the desktop version for me. Dre i mentioned cause since the sound are similar it might be easier to find his patches since he is-was not that long ago. was just a thought
5:53 What is that, glue?
I think It is to Keep some of the circuitry stable by isolating it from atmospheric changes. ???? Just a wild guess ????
Hi Markus,
Thanks for your reply, my name's mike, the youtube account is just a user name...i would be very nervous about trying to mod a synth with surface mount technology...perhaps it would be better if people were to wait until the warranty on their new arps was up???
True its best to wait until the warranty has expired. something I never seem to do myself LOL
Hello i got a problem with a poder board. Can You help me?
Hi Roberto. whats a poder board ?.
@@markusfuller power board, sorry
roberto carlos . oh ok i checked with google and it said a poder board was for ski-ing on snow :-) . but yes power board what seems to be the problem ?.
Can You do a voltage measure and tell me the voltage of every connector in it? I want yo replace the dcdc Converter with a linear power supply. Thanks
8:09 Toranspose.....HAHAHAHA
How about they clone the Polykobol II? :)
Dude you know your Crap with these things, No Doubt!!! So In Your Opinion. This Is a Modern Up to date ANALOG Version Of the Original?
+skyprop Hi Yes it is a modern analog version of the original with all the good and bad things that the original had. Korg even had David Friend as a consultant during the design and manufacture of this K-ARP. the only thing i dont like about it is the external power supply unit. I think they could have put that in the unit like the originals. but yes it is very close to the original by about 83%
Thank you loads for this very insightful teardown, Markus.
At ua-cam.com/video/4p4NUiKwxpo/v-deo.htmlm14s you show the LFO section.
Did you or has anyone else attempted to put a switch in there to disable LFO sync to keyboard, when needed? Similar to this original mod www.arpodyssey.com/iotech-arp-odyssey-lfo-free-run.htm ?
Thank you for any hints and keep up the great work.
Hi Im sure they have been circuit bent many different ways.
Markus, well, i didn't find any obvious mode yet. I'll keep on searching, but i suppose, that the SMD layout kind of stops a lot of mod attempts. Thanx for answering in any case and greets from berlin.
コルグが製作したオデッセイは、どんな感じ?◎★
Why the f woudl I want to open up a new synth...
those... slimkeys... :-/
Why the fuck they insist on external power supply, it's infuriating, I mean DSI, Korg, Yamaha, Roland.
gfunkclydefrog Internal power supply, wtf is this, synthesizer or fucking stomp box?
+HatredPrime I think it has to do with EMF testing. It's easier to have an external PS that is used on a few products tested than it is to have every product tested. Either that or they're forced by regulation to use a switching PS and don't want to have to deal with proper shielding to prevent the PS from producing interference in the synth voice.
+HatredPrime I can think of several other reasons for external power supplies. It reduces the weight of the unit (no need for ac-dc transformers), it makes the instruments easier to maintain (fixing power supplies isn't the most fun in the world - much easier to just replace the wall wart), and quite probably reduces cost since the companies probably have a bulk discount on the external psu's instead of making boards to fit each synth.
Really I don't see the positives of having an internal power supply, unless you need to have multiple different voltages (and some ac power) and it's impractical to make a custom built external supply.
Yeah, but you know how power supply socket looks like, one wrong move and unit is dissconnected. Not big problem in studio but live...
external power supplies enable a quieter signal.
Only time will tell how this new printed circuitry will last. Made in china (Build time about 1 hour) Should be about the same price as there MS20 mini.
"Their"!!!