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Eddie Ruff
Приєднався 3 сер 2008
checkout the website below
Відео
UltraSonic Cleaning Neve 8248 Console
Переглядів 8042 місяці тому
This video documents the process of cleaning the Neve 8248 console Filter, EQ, and AUX PCB modules. I use an UltraSonic cleaner with PCB cleaning solution and distilled water. This removes the original lubrication in the switches and pots. It is very important to dry the modules (with compressed air and overnight) before re-lubing the pots and switches. I also re-cap all of the electrolytics on...
MCI JH24 motor noise and alignment issues
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MCI JH24 motor noise and alignment issues
CLC Pi Filter on SMPS for Tube Audio Circuit
Переглядів 1557 місяців тому
In this video, I demonstrate how a CLC Pi filter can help minimize the switching noise in a SMPS output. In this case, the input is 24VDC and the output is -250VDC to -300VDC (adjustable). I try to compare the results with some frequency plots, but the spectrums are not entirely consistent as some measurements were loaded and others unloaded, which changes the temporal signal and frequency resp...
Building 5 Guitar Tube Amplifiers - Part 9
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Building 5 Guitar Tube Amplifiers - Part 9
Building 5 Guitar Tube Amplifiers - Part 8
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Building 5 Guitar Tube Amplifiers - Part 8
Building 5 Guitar Tube Amplifiers - Part 7
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Building 5 Guitar Tube Amplifiers - Part 7
Building 5 Guitar Tube Amplifiers - Part 6
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Building 5 Guitar Tube Amplifiers - Part 6
Building 5 Guitar Tube Amplifiers - Part 5
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Building 5 Guitar Tube Amplifiers - Part 5
Building 5 Guitar Tube Amplifiers - Part 4
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Building 5 Guitar Tube Amplifiers - Part 4
Building 5 Guitar Tube Amplifiers - Part 3
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Building 5 Guitar Tube Amplifiers - Part 3
Building 5 Guitar Tube Amplifiers - Part 2
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Building 5 Guitar Tube Amplifiers - Part 2
Building 5 Guitar Tube Amplifiers - Part 1
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Building 5 Guitar Tube Amplifiers - Part 1
AMI Tube Microphone Kit - C12 & U47 - Part 2
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AMI Tube Microphone Kit - C12 & U47 - Part 2
AMI Tube Microphone Kit - C12 & U47 - Part 1
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AMI Tube Microphone Kit - C12 & U47 - Part 1
Indian Scout Bobber 2021 Exhaust Comparison
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Indian Scout Bobber 2021 Exhaust Comparison
Strawberry Girls - Live @ The Courtyard Lounge
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Strawberry Girls - Live @ The Courtyard Lounge
Cryptodira - Live @ The Courtyard Lounge
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Cryptodira - Live @ The Courtyard Lounge
nice test, i like the yamahas the most, very sharp in a good way and less pronounced lows as i was expecting would be interesting to hear different genres or instruments too i have the krk rokit 6 g3 and was thinking about getting some yamahas but as my main genre is hiphop i thought i might miss the more pronounced lows in the yamahas when mixing these 808s but this also could be a good thing
thanks! yeah the NS10M-Studios are still quite useful for mixing despite the lack of low end. If you can get some older KRK speakers before Gibson took over, it's well worth it. These are KRK Series2 V6. The biggest difference is the console reflection instead of the previous computer desk I had, that changes these speakers quite a bit. I also have the NHT M100s with a sub (not tested in this video) those are just fun listening speakers
A20 is perfect for guitar range - more upper mids than A21 to cut thru, less low mids mud like A21 has. A20 just tighter more detailed. Even for pro audio A20 would be superior, going from 10hz to 50khz, where A21 is 30 to 30khz
A20 is perfect for guitar range - more upper mids than A21 to cut thru, less low mids mud like A21 has. A20 just tighter more detailed. Even for pro audio A20 would be superior, going from 10hz to 50khz, where A21 is 30 to 30khz
😂 I have just noticed that I did the comment above with my kid’s account. Once again, great video. Another like and subscribe.😊
no worries haha
Very nice video showing the waveforms. Thanks for posting.
thanks!
That is an insane difference in sound without and with a UTC in the chain if that's same mic position and everything... Rolls the low end off a little and pulls everything into focus. Wild.
Back in 1984 to 1985 I worked at UTC in Manhatten. I was the final Electrical Quality Control inspector before anything went out the door. Many very high quality stuff was made there.
that is too cool! if you have any leftovers up for sale, let us know :)
@@metalhead3ecr I think i have 2 units still in original box One is a step down transformer and the other a DOT. Both I personally built from scratch all the way to boxing . I'll check to see if i still have them
Hi, very helpful video, I have one of my v6 (same as yours) that have a more pronounced buzz/ground noise like, the other is quiter but remain noisy (rispect of ns10), after turn the toroid became totaly quite like modern monitors? Thanks, regards
@@fpdrum glad it helped!
@@metalhead3ecr a little bit noise/buzz remained or after the rotation of the toroid your v6 are totally quite?
@@fpdrumwith such a large field being that close to the electronics, it's bound to have some buzz and hum regardless of the rotation. If you can put the transformer outside of the enclosure and away from the speaker it'll be totally quiet. That would have been a better design albeit more clunky
@@metalhead3ecr Hi, have you tried to shield the toroid with a thin copper foil?
@@fpdrum i haven't tried any shielding techniques. did it work for you?
Instead of using tongs and possibly scratching up the boards you could've just took out the basket lol.
I ended up using the basket, tongs are more fun though
What size machine did you decide to go with?
i got the creworks 10L, which is 2.6 gallons. If I had something to fit the entire channel strip, that would have saved time, but I wouldn't trust putting a transformer or P&G fader into this stuff!
@@metalhead3ecr I thought about getting the 10L so bad. I went with a 6L because it should be all I need for what i'm doing, but I knew if I wanted to do something bigger 10L might be the way to go. That price though,.
@@boredfive3001i got it for 127 through amazon, price wasn't bad at all!
Why are all the cleaning solutions so expensive? 😫
i think the cheapest i found was 100 bucks, prices are high indeed.
These transients are so amazing... I love overhead transients, but I still haven't found away to make them work with close mics, without getting flamming sound
normally you shouldnt hear a "flamming" sound between your close mics and OHs. At least when using typical distances for your overheads. Try something like 70-120cm measured from the center of your snaredrum and you should be fine. For me a flamming sensation became more of a "problem" using bigger distances for room mics etc. Try flipping polarity on your snare mic tho
You need a dish drainer/rack to put your parts in in post wash. To save yourself some mess and cleanup.
@@TheTsunamijuan haha yep i started using towels and ditched the tongs for picking things up and just used the basket. Still a bit messy but i only need to do this once every 20 years or so
@@metalhead3ecr I pass it along cause I totally missed doing this for years, than someone mentioned to me and i was like.... derrr, genius LOL.
From sewing machine to maybe not being run the fuck over because they at least hear you 😂
The runt had a bad batch of capacitors. Friedman called the amps... i think they corrected it after 2019
Larger value resistors are quieter than lesser, look up shot noise, mechanical noise, the paint caused the body to not provide ground/faraday shielding, big waste of time though it worked out for u
not a waste of time at all, i learned quite a lot and you got a video out of it! it's a win win
Heard “Fool In the Rain”
A-21 win~
ROCK ON
KRK speaker was exhibiting buzz in both the tweeter and woofer. The circuit looked fine, but I replaced the PSU components hoping it would resolve the issue. It did not. The buzz was still there. I started probing the preamp to see where it was coming from but it seemingly appeared out of nowhere between two stages. Turns out the power transformer toroid rotated in shipping and the new orientation induced buzz/hum into the surrounding components. Easy fix but hard to find!
Wow I need lessons
Here's what my guitar amp sounds like! There's only five of these amplifiers in the world 🌎 each one built by me! They're single channel, 50 Watts, and all tube. Featuring four 12AX7 preamp tubes and two KT66 power amp tubes. What makes them unique (other than the looks!) is the positioning of the modifier switches in the circuit layout and how these switches react to sculpt your tone. This is iPhone audio because i'm lazy and honest. #guitar #amplifier #tubeamp
How did you remove C50?
C50 can be removed by carefully twisting the component CW and CCW until the leads disconnect from the cap but not the pcb. Much like how you can remove an SMD cap. To get it flush on the board, you'll need to lift that side of the main pcb to solder the bottom
Excellent technique. Thanks for the quick response!
I just looked at website. They have a kit for the tube M49. It’s on back order now but I may order two kits when I can.
awesome and funny...really love these guys... liked and SUBSCIBED !!.. KEEP ROCKIN HOSS
Unrelated question on this amp -- Is there a place to find descriptions/meanings of the relay designations in the schematic: RYTS; RYOD; RY2; RYE, RYA, etc? I am looking at the preamp schematic and having a hard time understanding how the signal flows in any given mode. Is this correct for clean channel in clean mode: Input --> V2B --> CH1 Tone Stack --> Ch 1 "Gain Control" (1 MA pot) --> V1B? And then "crunch" mode of channel 1/clean channel would be: Input --> V2A --> CH 1 Gain Control --> V2B --> CH 1 Tone Stack --> V1B?
I don't have the schematic handy right now, but Mesa has a pretty bad reputation for their schematics. Sometimes going right to left for signal and poor descriptions etc. You might be correct but I recommend injecting a known signal (sine wave at 400Hz for example) and then probing through the amp at every stage to make sure things are correct. I did a similar walkthrough with my own amp in this video. ua-cam.com/video/1PB1vcr_Zik/v-deo.htmlfeature=shared
It sounds fantastic. The sound could use some treble. I have a pair of the Scamp 01's but they're not as good as the Compex.
Yo what size are those floor toms?
toms are 13, 14, 18, and 20....massive!
I heard Dave had a bad batch of caps early on
a bad batch should ideally be caught by the supplier before it makes it out of the factory to Dave, in any case, I would recommend a brand change!
Great work, I honor your intelligence, drive, and follow through. Will you be creating a product or selling to the DIY community?
thanks! right now I just build for myself, but I'm considering both options.
U47 for me is more soft and more slowly vs C12. The C12 is more agressive and fast...i hear with Focal solo 6
Interested in buying a board from you. I think I'd build this but I want it as quiet as yours
I should have one board still available. I'll reach out via DM.
A nightmare to repair.
Great build and video ! The U47 body come from AMI ? They seems to not sell body with pattern switch...? Thanks
yep i purchased everything from Dennis at AMI. Maybe sourcing those exact parts is difficult to keep in stock
Yeah, it depends of the stock, and the capsule is the M7 Thiersch PVC or mylar ?
Sorry, signed in correctly now. About those boards... :)
Hi Jeff, sure thing. I'll need to check how many I have left. I'll send you a direct message.
Thanks for the vid, Eddie. Can I purchase 2 of your boards?
Wonderful stuff! So informative! I just learned so much about the innards of guitar amps in 7 min 💪 Thanks for the content Eddie!
That’s actually sick
lol 2017 2018... i'm 1963
what gauge of wire did you use for this build?
30AWG-Silicone Stranded Wire
@@metalhead3ecr can i pick your brain a bit about the u47 build? is there somewhere i can message you?
@@artvandelay4914 go ahead and ask any questions here in case others have the same ones
@@metalhead3ecr first thing i would ask is, is there anything you wish u knew before you built the 47 mic? or anything you learned? things to watch for? I have ordered one my self to build
@@artvandelay4914 just take your time with the build and you should be fine! Things to watch for would be maintaining a good ground between the housing and internal electronics in addition to keeping a tidy workspace so no debris gets near the capsule or high impedance sections. If you ordered from Dennis, make sure you get all of the items you ordered. I never received the wood cases and had to ask for a partial refund a few times before getting one.
really cool seeing the process
Just picked one up. Total 80s beast!
3d printed?
nope! cast and resin. check out my other videos to see the process
very cool! @@metalhead3ecr
Is that what TAme Impala used on the early albums?
i'm not sure! sonically it's pretty close but I imagine Kevin used alternate gear for the early records.
No, it was a dbx 165. The ADR Compex used to be the compressor on the old Helios mixers, used most famously by Led Zep. You can here Bonham here, even though the drummer is playing quite soft. Amazing piece of kit
Nice to see someone actually demonstrate why transformer orientation and placement is important to reduce coupling. (Just think how low it would be with a switching supply!) Also like that 1) you have a good quality scope and 2) you have it in high resolution mode to improve the effective bit range and lower the noise floor. Oversampling each point in Hi Res makes a huge difference. Weird how UA-cam got me here. Happy it did! (You could do a voice over on this one if the mood strikes you one day, but the vid does speak for itself..)
Hey Eddie, thanks for doing this, I like what you're doing and I'm currently working through my tone on a total rebuild of a Traynor YBA I've owned since the 80's. I'm at a point of doing similar tone tweaking, so it's right where my head is at. Also good to see the integration of the software and parts sourcing. Any thoughts on the Chinese component quality vs buying from Mouser, Digikey etc. Totally agree on the PT replacement too. Thanks for sharing! Much appreciated.
thanks for the comment! I haven't had any issues with LCSC, they tend to have most parts available. Fancier ICs from Analog Devices and Texas Instruments might be missing or low stock compared to Mouser and Digikey, but the basic components are usually well in stock and they have similar brands to what most prefer, Nichicon, Murata, Panasonic, Dale, Vishay, etc.
It went from squeeky mouse to growling lion.
0:00 His Hands Matched His Tongue (The Dear Hunter cover) 1:20 Death of a Clone 10:31 Dr. Breacher and the Time Travel Anomaly
0:00 Bloodmeat (Protest the Hero cover) 5:04 Brand-New Remedy 12:30 Dr. Breacher and the Time Travel Anomaly
0:00 Brand-New Remedy 6:56 Death of a Clone 15:34 Happy Birthday (to Brian) 17:31 Gravity of the Bulls