Shoutout to Agfa#3400 for finding the Product Brief for this monitor. It gives the phosphor type, rated bandwidth, spot size, and much more. It's a pretty interesting read. I've uploaded the PDF to archive.org to make sure it isn't lost. archive.org/details/smm21201p_en
Bro, GREAT Video, it's trending is how I found you, maybe you should NOT have swapped the TITLE? Anyway, what is the PASSWORD to install the SOFTWARE from your MEGA LINK, totally can not INSTALL….
Yes. A monitor with that same picture tube, turned on its side, with the colour filter would truly be something. That this was possible in 2005 (even though there was no real application for it yet) makes me wonder, what kind of CRTs we could have now if manufacturers didn't all go down the LCD route.
@@daysetx no, not a huge single pixel lcd (like in welding oder 3d shutter glasses, but with the ability to change color) they dont have relevant delay, and absolutely no smear
Due to the fact that it would have been used for cancer diagnosis, bone fracture analysis, sonograms, MRI, CT, etc, they would want to make certain they are not causing weird image artifacts or bloom distortion that could affect diagnosis, vs a generic CRT. External software control of settings would allow them to deploy common settings across multiple monitors in the same facility for consistency of diagnosis. Modern equivalents like this cost a fortune for similar reasons. Barco K9301636A 30in color radiology monitor 6MP (3280 x 2048) - US $13000
Yup; we actually found out what type of phosphors this thing used in a manual for it a day or two ago, so I'll be including that in the follow-up video and most likely will be making it a pinned comment here too
Medical grade display are no joke.(DICOM part 14 standard for grayscale calibration) The newest top end RX1270 from EIZO costs $30k according to lakeshoreit.
Radiology Equipment is just straight up batshit insane at times. I worked at a Software operation for said purposes and had the pleasure of using some sort of 8k Eizo monstrosity that only could be connected via a special magic box and two separate DisplayPort cables.
This video is CRIMIMALLY UNDERRATED! I made a 500k view video and it's no match for this one in terms of production quality. I think the fact that this monitor is monochrome make things look a lot less cool than a color monitor like the PVM.
I remember dealing with those monitors back in the day. The ones my company were using were GE branded for Mammography reading, so they were 5 MP and had have the calibration checked every month (FDA requirement). Now we have LED / LCD models that are 12 MP resolution and full color.
This monitor is absolutely insane. Never thought there were any CRTs with specs like this. Can imagine how rare a display like this is. Plus it being able to achieve 500 nits while having 40k hours is just insane. I would have loved to see how bright it could get if the tube was still new
Many MANY years ago at school on a 286, they had a monocrhome monitor that was used for cad, (the machine had a 287 as well to help). This monitor's screen "colours" looked similar. White with a blue tinge. I noticed that the green "shadow tint" you mentioned in the video and i did some research on it, apparently its a combination phosphor of a very light blue and green phosphor to get the extra brightness. The light blue is for the speed, the light green is for the total brightness, but its a bit slower, that, and our eyes are more sensitive to green so you can see the green fade away more then the white/blue. In a room lit with flouro lights, this monitor would look white, but in an incandescent room it will have a blue tinge to it. There is no actual "white" phosphor that is even remotely decent, so these mono monitors were made with the combination blue and green. Thats why old black and white tv's always looked "blueish"
The adjustments they give you for certain areas of the screen are insane. The monitor must be tracking what part of the screen it’s drawing and making adjustments on the fly to ensure the whole screen is uniform. That’s awesome!
Absolutely amazing video man and great find for the monitor. Nice to know that in 2005 they could have made CRTs for projectors that could have given us monochrome RGB with the ability for 4K interlaced at 60 hz. I can only imagine what adding Quantum dots to something like that would have been like. No burn in? Yes please. Please don't run that tube anywhere close to 500 nits lol, except for the science you've done in this video LOL. You'll burn it out faster than you need to. You could be perfectly happy with that at 150 nits lol Even though it keeps the values in memory from the service menu, write that shit down anyway in case a capacitor goes bad or the little ROM that that date is written on craps out one day. Save yourself some headache in advance Here's just a thought for you. If you could get some color shutter glasses or some fan blades that are RGB and run the tube at a high enough frame rate, you could probably get full color out of this thing old school mechanical TV Style. Technology connections did a great video on an LCCS tube, and I bet something could be done with some active shutter glasses. Maybe hop over to blurbusters and see if the chief could help you out
makes me sad that SED technology never took off (essentially flat panel CRT with a grid rather than 1 electron emitter). check it out if you've never heard of it. surface-conduction electron-emitter display.
Those 40k hours are probably including the standby time too so the tube itself probably has much less, or probably the 2000 something hours, the monitor was probably on standby 24 hours a day and only switched on momentarily when necessary.
This reminds me of that one friend of distant memories who had a black & white TV in his bedroom to play SNES on, but we were too young to care and it was comfy af.
Sonic Generations in the end game montage looked incredible and really sharp, I wonder what a hybrid display with this type of tube would be like, say this tube with an OLED shutter panel overlaid to add colour to the display, even a QD-OLED shutter panel, it's been done on a small scale before with the JVC LCCS, the B&W CRT tube with an LCD shutter panel overlaid to add colour, the resulting image looks incredible and works surprisingly well, a tube like this with an appropriately designed OLED (could also use quantum dots somehow to boost colours even more) version of the LCD shutter panel could make for the best gaming display ever made.
Using a transparent OLED panel as an overlay for colour, or just stick with LCD shutter tech if OLED is not viable, I'm sure it could be done though, there are 3D OLED panels out there using passive and active glasses.
@@Wobble2007 that doesn't work like that that would be just transparent oled with extra backlight and adding any shutter panel would need a lot of processing for it you need also help from the monitor to get it to usable state
Great job putting it back! also for some reason your video made me want to play Touhou ? I wonder if you can on finish a play on this 0 response BEAST! Edit: You actually DID play Touhou on it!!! I only had to watch another 20 minutes~
The green/purple shimmering (27:45) while showing fast motions a known effect with b/w TVs or Monitors. Then color TV was developed this was one branch they tried out but ultimately abandoned it for the system known today.
some of the games almost feel like theyre moving in slow motion just because of how much clarity of motion there is. You can really tell they designed them with lcd blur in mind.
I wonder how this monitor would look emulting a vectrex at high resolutions, and then getting the color filters (or reproducing them) for the old platform... Since it's such a clean display @ high res, emulating the vector based display may actually work out nicely.
Shoutout to the Dell P991 you got there too, I had one in black and man does that bring back memories. Riva TNT 32 connected and 1280x 1024 at 85Hz was real, so nice.
Whenever there are videos on larger channels about CRTs there are always comments about where CRTs would be if they were still being developed. Back in the late 1950s we already had amazing monochrome CRTs and color didn't catch up until the 1990s. I surmised that with the technology available at the end of the CRT era we could make absolutely amazing monochrome displays if we wanted to. I didn't know that this actually happened. The one thing I find somewhat surprising is that the face isn't flat.
@@Intelwinsbigly It's simple geometry which is fairly easy to correct for. Especially given all the fine focus controls on this monitor that isn't an excuse. By having a curved screen it is _guaranteed_ that distortion is present if you are viewing a flat rectangular image.
@@eDoc2020 It can be corrected for, but because of its use in medicine, the screen needed to be as accurate as possible, requiring calibration often. Adding a bunch of other things that can also require calibrating would have taken these monitors out of service much more often.
@@Intelwinsbigly How can it possibly be as accurate as possible if it needs to stretch a flat image onto a curved surface? Even if you somehow make that work it would still need to be recalibrated just as often* to remain accurate. *Which is basically never. Display geometry depends on the physical tube geometry, acceleration voltage, and yoke current. Physical geometry isn't changing, acceleration voltage and yoke current can be monitored and automatically corrected. Ambient magnetic fields also make a difference but that's probably negligible.
@@eDoc2020 it is more accurate because making a crt screen flat harms focus on the edges of the screen, meanwhile the distortion of a round tube is fixed by changing your viewing angle. The choice was between a minor annoyance to those who worked with the screen and had to occasionally lean to look at a part of the image head on, or blurring at the edges of a screen designed from the ground up for extreme accuracy.
Still have three CRT monitors (roughly 30 years old) which are the grandparents of modern high definition. Ironically enough, the oldest of the three supports 2560x1440. But all do up to 16.8 million colors on screen simultaneously, while everything else available could only do 256 colors picked from a pallet of 16.8 million colors. They are NEC multisync's 2560x1440 was dropped due to the monitors fixed aspect ratio of 4:3 (and likely cost) not to mention that monitor is heavier alone than both others combined. 2 are 17" and the other is 15" Pretty sure grey scale versions of these same monitors existed as well, for radiology use, never seen one myself however.
i knew touhou was going to look good on this one but it was even better. it's like it was made for bad apple also your content is REALLY underrated. i thought you'd have at least 100k subs. i'm glad the algorithm has picked you up
The light sensor / auto brightness sounds amazing to have for a PC monitor. Changing brightness is a chore, and I need all the help I can get mitigating eye strain. PC's missing piece of the holy trinity of eye health: dark mode, blue light filter, auto brightness.
Black and white monitors do not need grease! Shame you destroyed the flat flex. Yes that would be needed - glad it was repaired! Well done. Lol my ears stop shouting Good monitor - I’ve had similar monitors on my workbench. Paper white. Fantastic quality. Line transformers, as well as other components are unbelievably reliable. Comments at the beginning about flashing over arcs, mainly is caused by a breakdown in the EHT lead, a shorted CRT, air filled CRT, and even a shorted horizontal output transistor. Your monitor uses a voltage multiplier on the output of the line transformer. This can also fail. Rarely the line transformer fails, however it is common for the EHT diode in the transformer to go short circuit - this can be fixed by an inline diode! Good work on umm adjusting the picture! You need to adjust EHT regulation by following voltage reference points on the line output drive board. It’s very dangerous to do this without the proper procedure as you could overload the line transformer, it will end up flashing over on the tube, causing it to crack! A video amplifier is used to increase the video signal to a level which is fed to the cathode of the CRT. It is likely that this monitor uses a combination of RGB to mono grey scale, rather than just one green signal. Chroma isn’t needed as it’s black and white! I’ve got a couple of these - I’m based in the UK. If anyone wants a repair video, let me know!
3:25 funny to hear this rage at moire - i understand the frustration, especially when you just need to photograph a screen. but i think it is quite beautiful. the multiple patterns overlapping. the construction of waves from curves. i used to follow an artist on instagram who makes moires using rolling metal brushes and ink on paper. so simple yet so pretty. i get a kick out of seeing a couple of window screens up against each other. bizarre moire. in full resolution and color depth, perfect framerate.
MOST PEOPLE on forums said it would be impossible and need a humongus power consuption to make a 4k CRT... They were absoutely wrong. Now we need to manofacture a 4k Color CRT TV 16:9. I would pay anything to have it.
For pure image performance and quality, PC CRTs are still high up there. They were just impractical to make larger. LCDs and flat panel technologies have spent decades trying to match what CRTs can do. The LED technologies of the last few years are the first flat panel techs that truly beat a CRT.
As someone that works with x-ray images all day long, this monitor would be beautiful to have on our machines. But nope, we're stuck with crappy low definition 4:3 colour LCD screens.
Это просто ахуительное видео. Ты большой молодец! Я про такое бы никогда не узнал без тебя. Ну и в такой красивой форме всё это подать надо уметь, как ты. Я бы на тебя подписался, но весь остальной твой контент выглядит неинтересным для меня, так что не буду тебе портить статистику. Я тебе поставил лайк на видео.
part of the reason it's black n white is because it's much easier to make a high resolution black n white CRT monitor than color, because a color monitor requires precise patterns of phosphor strips while a black n white is just one continuous layer of phosphor.
Wait you can run a dac not internal to the graphics card? I have an upgraded past TitanX because no DAC and i run a p1130 as main monitor at 2048x1536@80hz
No one believed me when I told them I played portal 2 in "4k HDR" in 2009, before there was even a "4K", let alone an "HDR". Everyone thougtn i was insane
So the year might be off but it doesn't change much. The monitor was still doing 32-bit color through, effectively, the last graphics card that could truly display it in analog
Si las CRT nunca hubiesen sido descontinuadas, probablemente las televisiones que usariamos hoy en dia serian como ese monitor, pero con color y mas grandes
Hi Notes, I had KTX CRT Retro Monitor, from an Old Computer it's not Siemens, but i want to turn it like that 4K CRT, what i can do? i'm from Morocco by the way ?!
I'm very sure that there are no color 4k CRT's that exist, as there is only so small that manufacturers could make those holes on the mask. It was attempted before in a lab, but was never reproduced as there were problems with the colors overlapping each other due to the tiny space of the holes. As for monochrome displays, your only limit was scanning frequencies and video drivers, but 4k should be plenty in my opinion, as even 8k isn't very useful said by many people and looks like 4k. This could mean that it's the hg of all displays that currently exist in terms of just detail.
This was a really interesting video, thanks for making it! What DAC did you use to get interlaced output? In Windows I can't get interlaced out of DP converters. I didn't watch the whole video so sorry if you mentioned this. I just heard the part where you're using the 500mHz+delock, of which I have the Sunix version and have not been able to get interlaced from it. Also, in regards to the bandwidth limitation you were talking about with the Delock, I wonder if you found a DAC that prefers YCbCr, like some HDMI DACs do, you could possibly set the color space to YCbCr 4:2:0, which would drastically reduce the bandwidth and maybe allow you to run higher resolutions. Luma should be fully intact, and in theory, look identical
Yup, so I'm using an IO Crest HDMI to VGA DAC that can hit a gorgeous 350mhz pixel clock. It has green artifacts even at low pixel clocks, but kind of like you said, if you set ycbcr 4:4:4 in CRU, the artifacts go away. I'm aware that there are actually a couple of dacs that use the same chip in this DAC, as it's no longer in stock unfortunately And yup, display port refuses to interlace on windows and nvidia, and you can't interlace at all if you have an RTX card or a GTX 1600 series card.
@@Notes_lul Holler at me if you're able to try 4:2:0. I tried 4:2:0 4k60 from a PS4 Pro into a cheap Benefei DAC, and I got a signal but the colors were messed up. However, I don't think the actual Luma side of the signal was wrong, so I think it actually might work for a B&W display, without any loss of data
@@Notes_lul When you have a HDMI device hooked up, there should be an option somewhere in Nvidia CP. It'll have a few options for both RGB and YCbCr That's how it is on my AMD card anyway. But if you don't see that option, you can try adding the HDMI or TV extension blocks in CRU, which have some stuff related to YCbCr. I don't know which if any of those will trigger that output.
Shoutout to Agfa#3400 for finding the Product Brief for this monitor.
It gives the phosphor type, rated bandwidth, spot size, and much more. It's a pretty interesting read. I've uploaded the PDF to archive.org to make sure it isn't lost.
archive.org/details/smm21201p_en
Its not pronounced like semens its more like see-mans
Bro, GREAT Video, it's trending is how I found you, maybe you should NOT have swapped the TITLE? Anyway, what is the PASSWORD to install the SOFTWARE from your MEGA LINK, totally can not INSTALL….
BTW: I wish you had the FPS up on screen during sonic so we could see the diff having COLOR makes on FPS - if at ALL...
Another Video!?!
If you can get the refresh rate high enough, you can mount a single pixel color LCD on it, and turn it into a sequential color display.
i was about to say that
Yes. A monitor with that same picture tube, turned on its side, with the colour filter would truly be something. That this was possible in 2005 (even though there was no real application for it yet) makes me wonder, what kind of CRTs we could have now if manufacturers didn't all go down the LCD route.
TFT or LCD will have a delay and smear in high motion scenes. Not good.
@@westelaudio943 LCCS - the LCD-CRT hybrid from JVC
@@daysetx no, not a huge single pixel lcd (like in welding oder 3d shutter glasses, but with the ability to change color) they dont have relevant delay, and absolutely no smear
Can't believe this only has 511 views. Production quality seems like something I'd expect from a much bigger UA-camrs
And now it took off a bit with 10K views. Let that snowball roll ;)
14K quality video
@@randallbro6749 wtf
Its cuz its pure quality content. If he mixed it with some sus among us fortnite battle pass kids hyped stuff then it would get 900k+ views.
@@yt_user1772 and the :o face in the thumbnail
Due to the fact that it would have been used for cancer diagnosis, bone fracture analysis, sonograms, MRI, CT, etc, they would want to make certain they are not causing weird image artifacts or bloom distortion that could affect diagnosis, vs a generic CRT. External software control of settings would allow them to deploy common settings across multiple monitors in the same facility for consistency of diagnosis.
Modern equivalents like this cost a fortune for similar reasons. Barco K9301636A 30in color radiology monitor 6MP (3280 x 2048) - US $13000
Yup; we actually found out what type of phosphors this thing used in a manual for it a day or two ago, so I'll be including that in the follow-up video and most likely will be making it a pinned comment here too
Medical grade display are no joke.(DICOM part 14 standard for grayscale calibration)
The newest top end RX1270 from EIZO costs $30k according to lakeshoreit.
Radiology Equipment is just straight up batshit insane at times. I worked at a Software operation for said purposes and had the pleasure of using some sort of 8k Eizo monstrosity that only could be connected via a special magic box and two separate DisplayPort cables.
i thought my 2K CRT was something special, it's nothing compared to this! and the resolutions that you can throw at it, truly amazing
any res in CRT looks better... like 240p looks better, 480i looks better, 720p looks better, and 4K must be just insane
What is your CRT model?
2k CRT? AWESOME
This video is CRIMIMALLY UNDERRATED! I made a 500k view video and it's no match for this one in terms of production quality. I think the fact that this monitor is monochrome make things look a lot less cool than a color monitor like the PVM.
Also, I'm surprised that no one in the comment section mentioned anything about the Touhou content, not even Bad Apple.
@@andyhu9542I noticed but im too amazed by this monitor existing
I remember dealing with those monitors back in the day. The ones my company were using were GE branded for Mammography reading, so they were 5 MP and had have the calibration checked every month (FDA requirement).
Now we have LED / LCD models that are 12 MP resolution and full color.
I got into crt's again and I searched 30 min for this video. I must have watched shortly after it came out. Great video!
Incredible video! Well done. I love CRT technology.
40,000 hours would be the amount of time that the unit was on, but most of that time it would be in standby, with the tube off.
Impressive content, love to CRT's is always apreciated
This monitor is absolutely insane. Never thought there were any CRTs with specs like this. Can imagine how rare a display like this is. Plus it being able to achieve 500 nits while having 40k hours is just insane. I would have loved to see how bright it could get if the tube was still new
rigt as i read the comment he says 40k hours at the exact same time im at 40k hours. 🤔
Many MANY years ago at school on a 286, they had a monocrhome monitor that was used for cad, (the machine had a 287 as well to help). This monitor's screen "colours" looked similar. White with a blue tinge. I noticed that the green "shadow tint" you mentioned in the video and i did some research on it, apparently its a combination phosphor of a very light blue and green phosphor to get the extra brightness. The light blue is for the speed, the light green is for the total brightness, but its a bit slower, that, and our eyes are more sensitive to green so you can see the green fade away more then the white/blue. In a room lit with flouro lights, this monitor would look white, but in an incandescent room it will have a blue tinge to it.
There is no actual "white" phosphor that is even remotely decent, so these mono monitors were made with the combination blue and green. Thats why old black and white tv's always looked "blueish"
The adjustments they give you for certain areas of the screen are insane. The monitor must be tracking what part of the screen it’s drawing and making adjustments on the fly to ensure the whole screen is uniform. That’s awesome!
thanks youtube algorithm for presenting me with this king nugget
That's a nice and high quality video! Would love to see this type of content in the future! :)
Amazing Production Quality on this video!
Wow, UA-cam recommendations can sometimes give good content
This thing is freaking amazing! What an awesome CRT find you've made here. Congrats and thanks for sharing!
Absolutely amazing video man and great find for the monitor. Nice to know that in 2005 they could have made CRTs for projectors that could have given us monochrome RGB with the ability for 4K interlaced at 60 hz. I can only imagine what adding Quantum dots to something like that would have been like. No burn in? Yes please.
Please don't run that tube anywhere close to 500 nits lol, except for the science you've done in this video LOL. You'll burn it out faster than you need to. You could be perfectly happy with that at 150 nits lol
Even though it keeps the values in memory from the service menu, write that shit down anyway in case a capacitor goes bad or the little ROM that that date is written on craps out one day. Save yourself some headache in advance
Here's just a thought for you. If you could get some color shutter glasses or some fan blades that are RGB and run the tube at a high enough frame rate, you could probably get full color out of this thing old school mechanical TV Style.
Technology connections did a great video on an LCCS tube, and I bet something could be done with some active shutter glasses. Maybe hop over to blurbusters and see if the chief could help you out
39:38 It looks amazing on my OLED iPhone 14 Pro Max. Cranked the brightness up to max, and the instant pixel response times make the footage 10/10
Very underrated channel and video. Amazing quality, very interesting and entertaining. Excellent work! You deserve way more subs, so here's one.
Not gonna lie, I feel jealous, this thing was perfect for old school arcade cabinet project I wan't to make one day👍
This makes my mouth water, such a shame this stuff went out.
All in all, great video; more of this stuff will def lead to explosive growth.
makes me sad that SED technology never took off (essentially flat panel CRT with a grid rather than 1 electron emitter). check it out if you've never heard of it. surface-conduction electron-emitter display.
Not sure why this was recommended but glad it was! Very nice video, well done. That is a beautiful CRT. Definitely a little bizarre.
God damn, this is amazing! Thank you for creating this video.
Also, love your music style
Those 40k hours are probably including the standby time too so the tube itself probably has much less, or probably the 2000 something hours, the monitor was probably on standby 24 hours a day and only switched on momentarily when necessary.
This reminds me of that one friend of distant memories who had a black & white TV in his bedroom to play SNES on, but we were too young to care and it was comfy af.
Enjoyed this! You should consider creating some shorts with this content, especially the montages.
Great video!! Feels like watching LGR, same passion for cool strange tech!!
Props for the Touhou background music lol.
Excellent video.
Gaaawd Dayum is all I can say image quality must be amazing in person
Definitely need this in my collection as well. Very good video
Bro you’re hilarious. Within a year you’re gonna have a lot more people watching your videos and subscribing. You definitely earned my sub. 🤙
That's one cool monitor.
Also really deep dive into it.
And yeah this deserves more views and likes.
Omg exactly the kind of content I love, and pretty darn well put together. Noice
Sonic Generations in the end game montage looked incredible and really sharp, I wonder what a hybrid display with this type of tube would be like, say this tube with an OLED shutter panel overlaid to add colour to the display, even a QD-OLED shutter panel, it's been done on a small scale before with the JVC LCCS, the B&W CRT tube with an LCD shutter panel overlaid to add colour, the resulting image looks incredible and works surprisingly well, a tube like this with an appropriately designed OLED (could also use quantum dots somehow to boost colours even more) version of the LCD shutter panel could make for the best gaming display ever made.
you can't use OLED, QD or QD-OLED OLED self emits light and QD you can't control it
lmao, "OLED shutter panel"
Using a transparent OLED panel as an overlay for colour, or just stick with LCD shutter tech if OLED is not viable, I'm sure it could be done though, there are 3D OLED panels out there using passive and active glasses.
@@Wobble2007 that doesn't work like that that would be just transparent oled with extra backlight and adding any shutter panel would need a lot of processing for it you need also help from the monitor to get it to usable state
Great job putting it back! also for some reason your video made me want to play Touhou ? I wonder if you can on finish a play on this 0 response BEAST!
Edit: You actually DID play Touhou on it!!! I only had to watch another 20 minutes~
This was an epic journey. epic you. epic music.
this is a crazy monitor, massive props to you for showing this bad boy off!!
The green/purple shimmering (27:45) while showing fast motions a known effect with b/w TVs or Monitors. Then color TV was developed this was one branch they tried out but ultimately abandoned it for the system known today.
some of the games almost feel like theyre moving in slow motion just because of how much clarity of motion there is. You can really tell they designed them with lcd blur in mind.
idk anything about CRTs but i throroughtly enjoyed this video
Wait a second, 40000 hours of usage? that is just amazing!
What a lovely radiology monitor
Sick vid dog! Totes fascinating
what a beautiful scanlines and resolution! with also fantastic weight...
I wonder how this monitor would look emulting a vectrex at high resolutions, and then getting the color filters (or reproducing them) for the old platform... Since it's such a clean display @ high res, emulating the vector based display may actually work out nicely.
omfg yakuza looks so good on there what the hellllll 😭😭😭😭😭😭
edit: love that u included va-11 hall-a omgggggg
Shoutout to the Dell P991 you got there too, I had one in black and man does that bring back memories. Riva TNT 32 connected and 1280x 1024 at 85Hz was real, so nice.
Amazing Video! Loved it
damn thats a dope monitor. good video!
yay gave this vid its thousandth well deserved like :D
Great video.
That is insanely cool!
Whenever there are videos on larger channels about CRTs there are always comments about where CRTs would be if they were still being developed. Back in the late 1950s we already had amazing monochrome CRTs and color didn't catch up until the 1990s. I surmised that with the technology available at the end of the CRT era we could make absolutely amazing monochrome displays if we wanted to. I didn't know that this actually happened. The one thing I find somewhat surprising is that the face isn't flat.
Making the face flat would have added error to the placement of the electron beam, bad idea.
@@Intelwinsbigly It's simple geometry which is fairly easy to correct for. Especially given all the fine focus controls on this monitor that isn't an excuse. By having a curved screen it is _guaranteed_ that distortion is present if you are viewing a flat rectangular image.
@@eDoc2020 It can be corrected for, but because of its use in medicine, the screen needed to be as accurate as possible, requiring calibration often. Adding a bunch of other things that can also require calibrating would have taken these monitors out of service much more often.
@@Intelwinsbigly How can it possibly be as accurate as possible if it needs to stretch a flat image onto a curved surface? Even if you somehow make that work it would still need to be recalibrated just as often* to remain accurate.
*Which is basically never. Display geometry depends on the physical tube geometry, acceleration voltage, and yoke current. Physical geometry isn't changing, acceleration voltage and yoke current can be monitored and automatically corrected. Ambient magnetic fields also make a difference but that's probably negligible.
@@eDoc2020 it is more accurate because making a crt screen flat harms focus on the edges of the screen, meanwhile the distortion of a round tube is fixed by changing your viewing angle.
The choice was between a minor annoyance to those who worked with the screen and had to occasionally lean to look at a part of the image head on, or blurring at the edges of a screen designed from the ground up for extreme accuracy.
Still have three CRT monitors (roughly 30 years old) which are the grandparents of modern high definition.
Ironically enough, the oldest of the three supports 2560x1440. But all do up to 16.8 million colors on screen simultaneously, while everything else available could only do 256 colors picked from a pallet of 16.8 million colors.
They are NEC multisync's
2560x1440 was dropped due to the monitors fixed aspect ratio of 4:3 (and likely cost) not to mention that monitor is heavier alone than both others combined. 2 are 17" and the other is 15"
Pretty sure grey scale versions of these same monitors existed as well, for radiology use, never seen one myself however.
i knew touhou was going to look good on this one but it was even better. it's like it was made for bad apple
also your content is REALLY underrated. i thought you'd have at least 100k subs. i'm glad the algorithm has picked you up
The light sensor / auto brightness sounds amazing to have for a PC monitor.
Changing brightness is a chore, and I need all the help I can get mitigating eye strain.
PC's missing piece of the holy trinity of eye health: dark mode, blue light filter, auto brightness.
Man I do love CRTs, cool monitor, bro
im getting Druaga1 vibes from you
thats a really good thing by the way
Black and white monitors do not need grease! Shame you destroyed the flat flex. Yes that would be needed - glad it was repaired! Well done. Lol my ears stop shouting
Good monitor - I’ve had similar monitors on my workbench. Paper white. Fantastic quality. Line transformers, as well as other components are unbelievably reliable. Comments at the beginning about flashing over arcs, mainly is caused by a breakdown in the EHT lead, a shorted CRT, air filled CRT, and even a shorted horizontal output transistor. Your monitor uses a voltage multiplier on the output of the line transformer. This can also fail. Rarely the line transformer fails, however it is common for the EHT diode in the transformer to go short circuit - this can be fixed by an inline diode!
Good work on umm adjusting the picture!
You need to adjust EHT regulation by following voltage reference points on the line output drive board. It’s very dangerous to do this without the proper procedure as you could overload the line transformer, it will end up flashing over on the tube, causing it to crack!
A video amplifier is used to increase the video signal to a level which is fed to the cathode of the CRT. It is likely that this monitor uses a combination of RGB to mono grey scale, rather than just one green signal. Chroma isn’t needed as it’s black and white!
I’ve got a couple of these - I’m based in the UK. If anyone wants a repair video, let me know!
i love it ! Thank you to france !
that monitor is better in every way than the lcd monitors on my desk, instant response time, 4k, 169 (nice) hz, etc.
Perfect Better Call Saul future scenes display
3:25 funny to hear this rage at moire - i understand the frustration, especially when you just need to photograph a screen.
but i think it is quite beautiful.
the multiple patterns overlapping. the construction of waves from curves.
i used to follow an artist on instagram who makes moires using rolling metal brushes and ink on paper. so simple yet so pretty.
i get a kick out of seeing a couple of window screens up against each other. bizarre moire. in full resolution and color depth, perfect framerate.
This is amazing
I would never have imagined to found a Eurovision song in a video about monitors lol 😂
Couple this with an LCD panel overlay that synchronizes color flashes for a DLP like experience in full color
is it wrong watching this video on a color CRT monitor?
MOST PEOPLE on forums said it would be impossible and need a humongus power consuption to make a 4k CRT... They were absoutely wrong.
Now we need to manofacture a 4k Color CRT TV 16:9. I would pay anything to have it.
Ghg meets lgr I'm rocking with it
song list please
For pure image performance and quality, PC CRTs are still high up there. They were just impractical to make larger. LCDs and flat panel technologies have spent decades trying to match what CRTs can do. The LED technologies of the last few years are the first flat panel techs that truly beat a CRT.
As someone that works with x-ray images all day long, this monitor would be beautiful to have on our machines. But nope, we're stuck with crappy low definition 4:3 colour LCD screens.
Это просто ахуительное видео. Ты большой молодец! Я про такое бы никогда не узнал без тебя. Ну и в такой красивой форме всё это подать надо уметь, как ты. Я бы на тебя подписался, но весь остальной твой контент выглядит неинтересным для меня, так что не буду тебе портить статистику. Я тебе поставил лайк на видео.
part of the reason it's black n white is because it's much easier to make a high resolution black n white CRT monitor than color, because a color monitor requires precise patterns of phosphor strips while a black n white is just one continuous layer of phosphor.
impressive
legend
The ultimate gameboy monitor.
You should have shown _Ikaruga_ gameplay on that monitor since that game was designed for play in portrait orientation
I am about four minutes in and I've had to subscribe. Humour and language are my kinda shit.
nice carpet you have !
Wait you can run a dac not internal to the graphics card? I have an upgraded past TitanX because no DAC and i run a p1130 as main monitor at 2048x1536@80hz
there's always a DAC for this stuff, whether it's internal like GPUs that have VGA out or the usual DP to VGA adapters.
Very cool
No one believed me when I told them I played portal 2 in "4k HDR" in 2009, before there was even a "4K", let alone an "HDR". Everyone thougtn i was insane
Oh,wait, monochrome? This isn't the viewmaster multisync I remember
you mean portal 1? That's probably why they didn't believe you
No it was portal ii on, what was it, the 512mb the radeon 7650 with whatever overclock that thing took?
So the year might be off but it doesn't change much. The monitor was still doing 32-bit color through, effectively, the last graphics card that could truly display it in analog
At x2100, 75hz too
you might try a lee or rosco etc amber colour gel in front of the screen, should look quite like an original amber phosphor crt
sick
What would this look like with a coloured cellophane sheet?
Si las CRT nunca hubiesen sido descontinuadas, probablemente las televisiones que usariamos hoy en dia serian como ese monitor, pero con color y mas grandes
Whats the highest 120Hz resolution u can pull before u start to get diminishing returns???
Hi Notes,
I had KTX CRT Retro Monitor, from an Old Computer it's not Siemens, but i want to turn it like that 4K CRT, what i can do? i'm from Morocco by the way ?!
I'm very sure that there are no color 4k CRT's that exist, as there is only so small that manufacturers could make those holes on the mask. It was attempted before in a lab, but was never reproduced as there were problems with the colors overlapping each other due to the tiny space of the holes. As for monochrome displays, your only limit was scanning frequencies and video drivers, but 4k should be plenty in my opinion, as even 8k isn't very useful said by many people and looks like 4k. This could mean that it's the hg of all displays that currently exist in terms of just detail.
They can make 1nm chips, why cant CRT's have 4k resolution, even if its the absolute MAX they can get?
hell yeah high rez crt for bones
Epic....thank goodness for your soldering buddy! Can is haz???
What was the opening song?
This was a really interesting video, thanks for making it!
What DAC did you use to get interlaced output? In Windows I can't get interlaced out of DP converters. I didn't watch the whole video so sorry if you mentioned this. I just heard the part where you're using the 500mHz+delock, of which I have the Sunix version and have not been able to get interlaced from it.
Also, in regards to the bandwidth limitation you were talking about with the Delock, I wonder if you found a DAC that prefers YCbCr, like some HDMI DACs do, you could possibly set the color space to YCbCr 4:2:0, which would drastically reduce the bandwidth and maybe allow you to run higher resolutions. Luma should be fully intact, and in theory, look identical
Yup, so I'm using an IO Crest HDMI to VGA DAC that can hit a gorgeous 350mhz pixel clock. It has green artifacts even at low pixel clocks, but kind of like you said, if you set ycbcr 4:4:4 in CRU, the artifacts go away. I'm aware that there are actually a couple of dacs that use the same chip in this DAC, as it's no longer in stock unfortunately
And yup, display port refuses to interlace on windows and nvidia, and you can't interlace at all if you have an RTX card or a GTX 1600 series card.
@@Notes_lul Holler at me if you're able to try 4:2:0.
I tried 4:2:0 4k60 from a PS4 Pro into a cheap Benefei DAC, and I got a signal but the colors were messed up. However, I don't think the actual Luma side of the signal was wrong, so I think it actually might work for a B&W display, without any loss of data
@@lulkLogan Yeah as far as I've been able to find, I can't find any option for 4:2:0 in CRU
@@Notes_lul When you have a HDMI device hooked up, there should be an option somewhere in Nvidia CP. It'll have a few options for both RGB and YCbCr
That's how it is on my AMD card anyway.
But if you don't see that option, you can try adding the HDMI or TV extension blocks in CRU, which have some stuff related to YCbCr. I don't know which if any of those will trigger that output.
Displayport just doesn't do interlacing AFAIK
If not the anode cap, arcing = bad caps on the driver/power board.
Needs a minimal recap for the high voltage, high heat circuits.