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I am currently in a noisy cafe so will listen to these later, but I think there's something about appealing to other senses when opamps start getting silly candy colors and shapes. I suspect people will get a preconditioned expectation bias based on looks and subconscious triggering of candy/fruit flavors. This colouring and shaping, if not out of necessity, has no place for internal components and costs extra money as part of design and manufacturing. I can therefore only suspect it's to intentionally play on subconscious bias cues.
its funny the people who are the most worried about bias are often the ones filled with judgements of others that subconsciously shape their view of the world
Hi! I'm glad that this idea, which I tried and made a video for, now has a factory implementation! Did you manage to find out which op-amps are included in parallel in these assemblies?
Hi-so with this parallel arrangement-these have got to draw way more current-so this is approved for DACs and Pre’s but not power amps yes? But wait I am confused--you are using these in power amps (ZA3) not DACs or preamps. Have you tested them with the Fosi V3 monos? Maybe cannot use in the V3 monos because they are already challenged with heat generation/dissipation. What about with the ZD3 DAC? Will the Supersonic V1 or the hypersonic further tame the SABR 9039 "glare" or "sheen"? I am listening on headphones attached to my laptop via Firefox. I can't hear much difference between these --they all sound good. Would be interesting to compare them with the non-parralled version of the op amps, and vs the muses02 and the Sparkos.
Hmmm. I could easily hear differences on my Toyota van audio system which is stock. Perhaps you should listen again with better equipment, headphones…?
i'm very curious about your opamps, sparcos labs Muses01,02,03, ss3602, burson audio v7 vivid, burson audio v7 classic pro, are they superior to these high-end opamps?
This is really interesting, I was a serious tweaker back in the eighties to the noughties and this has got me thinking. It's getting a bit like serious overclocking in the computer world. I'm half expecting water cooled amps at some point, LOL!
Your a genius, thank you. I would like to see more about what looks to be some interesting power supplies you have there on my left. This 1 is tough, I'm leaning toward v2 but not sure, i think i would need to hear 15 - 30s clips with time stamps of each to compare.
I think the noise reduction is working like Summing Opamps together - whereby multiple Opamp circuits are designed in parallel with each other but with double the supporting discrete components (resistors/ caps) as well. In summing, both Opamps have the same function but any noise generated by one will be slightly different from the other and as a result when they are summed together it will be cancelled out. From what I can hear it all sounds a bit average, I am no fan of the 1970's NE5532 anyway. I'd like to know what is the ADC audio interface you are using? Because if that's got a load of meh opamps and ADC in it, that will be bottlenecking the sound anyway.
Great work, Greg. They all sound good in different ways. Perhaps the 8x was my least favourite. I prefer (without detailed listening) the x2V2 and x4. All the best, Rob in Switzerland
Did you test them with Fosi v3 mono? what opamps did you use to compare FOSI ZD3 & T+A DAC 200? Did you do it with open case? Pozdrawiam, Detektyw zakupowy ;)
My real-time impressions. Magnat MA 900 (mod) in Direct OFF (JJ 12AT7 preamping). Convolution with brightness at 6.5kHz, +0.3dB, Q=2. KEF Q100 5.25" coaxial (mod) in near field. With Kimber Kabnle 8PR cables, now with 5 mm cotton rope inside (as Danny Richie suggested weeks ago and does with his cables, with similar geometry to Kimber's). 05:29 - Cherry - Hara Noda Super Sonic V2 - the best, more musical 08:29 - Falconeer - Lovren Super Sonic V2 - the best, more musical 10:29 - World Goes By - Houses On the Hill Super Sonic V2 - the best, more musical 13:29 - Love You For It All - Daniel Gunnarsson Super Sonic V2 - the best, more musical 16:29 - Hotel Lalo - Harry Edvino Super Sonic V2 - the best, more musical Super Sonic V2 - 10 points (more bass, highs OK) Super Sonic V1 - 8 points (more highs, too much with your speakers) 👉Hypersonic and Brute Force one - UNREAL SOUND, not credible. It is the same thing I notice in most 24/192 vinyl rips, too much spatiality, not credible, liking it better in 24/96 FLAC 0. Sometimes it is not like that, I have to decide in each rip
@@nicoras8803 It is the best way to equalize the frequency response, especially if it is already very good (KEF Q100 at 30º from the listener, as happens in almost all coaxials: avoid direct focus, 0º). With rePhase I make the minimum adjustments in amplitude and... PHASE, minimizing it. Up to 300-400 Hz our brain does not appreciate the phase change when equalizing, so a PEQ works very well. At higher frequencies we do appreciate it, so it is very convenient to minimize it. rePhase allows you to create the convolution file that you will then import into a good software player such as JRiver Media Center (64 bits better). From the PEQ (included in the JRiver DSP) you can adjust the bass of each channel, the distance of the speakers if you are not in the center of the listening triangle... and effects for when the recording is not of great quality or to play series or movies. The phase or time shift (JITTER), however small, is noticeable by our brain (it was thought not but now we know it is). One of the problems with cheap class D amplifiers, such as the Fosi / TPA3255, is the phase shift starting from 1 kHz. With electronic music we will not notice it but if we listen to quality recordings with real instruments and voices without autotune we will. The new and expensive Hypex, Purifi, Orchard Audio... have reduced this phase deviation to 20 kHz (almost non-existent in class A and AB). Orchard Audio is directly 0 to 20 kHz.
Nice stuff. I'm very inclined to try them but I would need to know which one easily fit in which amp. It would be useful to have the info in the website, for example I have a fosi v3 at hand (in the past I bought some big op amps and had to sent them back cause I could not fit them).
More transistors in parallel ===> more output current, hence, giving you greater drive to produce the output signal presented to the power amplifier's input stage. The sound output would be more dynamic, ease of sound reproduction. and a fuller sound. Another way is to have a CLASS A transistor or tube output stage, this was done before many years ago, but bulkier. Viewers are conscious that sufficient or ample power in the sound chain produces excellent sound.
i couldn't hear much of a difference. but i didn't download the video and didn't use my Hi-X55 headphone. this reminds me of an elektor low power amp project where they used something about 25 NE5532 op-amps or so as output stage.
This is a new product and needs better visualization during sound test. Hyper/SuperSonic V1/V2 means nothing to us when we can’t even see which opamp to relate to and what type/tech it has during sound demo. All we saw was a pretty carousel and names. Just skipped through it as usually…
You say that it is better to listen via browser. In my case: W11 optimized for multimedia (reduction of JITTER generated in the CPU: ALU internal registers), Firefox -> JRiver MC 64 bits, which takes control of the audio via WDM driver. Firefox with uBlock Origin to avoid the advertising inserted by TH-cam (or free Spotify). The sound from Firefox is better than in Chrome-based browsers.
I have an Allen&Heath Mod2 mixing desk from 1972, do you think the op-amps would reduce noise and clean up the signal, would love to use the desk as Stem mixer (it has 16 channels with 16 monitor return channels, take off 2 monitor channels for master and in theory I could have a 30 channel audio summing with 16 channels with original CARNHILL Transformers and a simple EQ), I don’t know how many op-amps are on each channel, so do you do bulk discount? (Or be interested in working with me as a joint project?) I think the power supply would need a major upgrade as well then if your op-amps are so hungry 🤭🤭🤭 Where are you based, I’m in Hannover, Germany
Automatically voids original warranty of an amp or any other device, plus risk of over heating or worse. Space Lego gimmicks in this case but Grzesiu has a sense for creativity and marketing :)
The V1 reminds me of the Muse 02 only a bit punchier. The V2 was the one that made my ears perk up first. When it switched to the V2 it was so drastic that even across the room I could immediately hear the difference. The V2 reminds me of the really nice sounding Kenwood intergrated amps that where Dual mono internal construction with everything being discreate componets no op amps from 1970's early 1980's. I might like to get 2 of those V2's and 2 hypsonics! The Hypersonic was amazing and that is what I will be ordering for sure. I have a wife and 3 sons and Christmas is awfuly close so might have to wait. I would like to get 4 or more to have on hand but will likely just order 2. I like it all. I like good highs, mids and lows and the ability to be very dynamic and quick when it is required. I like a clarity but not at the cost of texture, sound stage, and warmth. The hypersonic seemed to have it all while still being very balanced. The Brute Force was absolutely incredible sounding!! In the early 1990's I owned a McIntosh tube amp and a set of Sansui Mono Block amps and the Brute Force reminded me of those with a good source that was well mastered and very dynamic. It had it all the highs, lows and mids as well as incredible seperation and sound stage with lots of punch. It made the amp sound like an entirely different amp. I used to run really powerful amps and then only run them in the 1wpc to 20wpc range into very effecient speakers and that is what the Brute Force reminded me of. It was as if the amp suddenly developed more dynamic head room and power. It was hard to believe it was the same speakers and amp! Too bad it is so power hungry and generates so much heat!
So you're telling me, by using 8 opamps to increase the current capability of the whole thing by 8, it's now capable of driving 256 poweramp input stages at once, instead of only 64? 😂😂 Seriously, that's such an exercise in futility. Input stages are so high in input impedance, any bog standard opamp is severely overpowered for the purpose already.
A decent poweramplifier doesn't need to be controlled by the pre-amplifier, it will listen to it's output signal and amplify it fully faithful and therefore fully transparent with the exception of the power needed to drive the loudspeaker correctly. I don't like your useless products certainly when you scratch of the type numbers of the OpAmps you use as I have seen on your own website. That is a shame in it self and show that none of your customers can trust you and your products. It's a discrase.
This is a new product and needs better visualization during sound test. Hyper/SuperSonic V1/V2 means nothing to us when we can’t even see which opamp to relate to and what type/tech it has during sound demo. All we saw was a pretty carousel and names. Just skipped through it as usually…
Please LIKE and SUBSCRIBE
Amazing Op Amps - virtualhifi.com/products/supersonic-v1-op-amp
For stunning revolutionary 3-way speakers visit - qualioaudio.com
Please compare to the Sparkolabs SS2590 dual opamp.
I am currently in a noisy cafe so will listen to these later, but I think there's something about appealing to other senses when opamps start getting silly candy colors and shapes. I suspect people will get a preconditioned expectation bias based on looks and subconscious triggering of candy/fruit flavors. This colouring and shaping, if not out of necessity, has no place for internal components and costs extra money as part of design and manufacturing. I can therefore only suspect it's to intentionally play on subconscious bias cues.
its funny the people who are the most worried about bias are often the ones filled with judgements of others that subconsciously shape their view of the world
Hi! I'm glad that this idea, which I tried and made a video for, now has a factory implementation! Did you manage to find out which op-amps are included in parallel in these assemblies?
Hi-so with this parallel arrangement-these have got to draw way more current-so this is approved for DACs and Pre’s but not power amps yes? But wait I am confused--you are using these in power amps (ZA3) not DACs or preamps. Have you tested them with the Fosi V3 monos? Maybe cannot use in the V3 monos because they are already challenged with heat generation/dissipation. What about with the ZD3 DAC? Will the Supersonic V1 or the hypersonic further tame the SABR 9039 "glare" or "sheen"?
I am listening on headphones attached to my laptop via Firefox.
I can't hear much difference between these --they all sound good. Would be interesting to compare them with the non-parralled version of the op amps, and vs the muses02 and the Sparkos.
I couldn't tell any difference between them,if there were,they were so subtle,that you would need to be a bat to hear it.
"But these are so good, they have a bandwidth of 35kHz!"
- family dogs hate this trick 😂
Hmmm. I could easily hear differences on my Toyota van audio system which is stock. Perhaps you should listen again with better equipment, headphones…?
i'm very curious about your opamps, sparcos labs Muses01,02,03, ss3602, burson audio v7 vivid, burson audio v7 classic pro, are they superior to these high-end opamps?
For the YT app. Settings - advanced - switch off stable volume may help a bit.
Very nice! Thanks for sharing.
I can't hear much of a difference, it all sounds the same to me. Perhaps compare them with a single version of the Opamp, and Sparkos and Muses02.
I've just ordered the Hypersonic, curious to compare it with the opamp i prefer until now
For the FOSI ZA3, what are your recommendations for the op amps you've already tested, from low to high? Thanks!
Hi, can you test the Akliam lc5? I use them in my ZA3 and they sound great to my ears but I dont have other opamps to compare.
Already suggested several times, to date these LC5 are the ones I prefer too, I ordered the Hypersonic to compare them
This is really interesting, I was a serious tweaker back in the eighties to the noughties and this has got me thinking. It's getting a bit like serious overclocking in the computer world. I'm half expecting water cooled amps at some point, LOL!
Your a genius, thank you.
I would like to see more about what looks to be some interesting power supplies you have there on my left.
This 1 is tough, I'm leaning toward v2 but not sure, i think i would need to hear 15 - 30s clips with time stamps of each to compare.
I’d like to see if you could install one of these op amps into an eversolo and see if there’s an improvement
Which exact model op-amps used in 2/4/8 models? 🤔
I think the noise reduction is working like Summing Opamps together - whereby multiple Opamp circuits are designed in parallel with each other but with double the supporting discrete components (resistors/ caps) as well. In summing, both Opamps have the same function but any noise generated by one will be slightly different from the other and as a result when they are summed together it will be cancelled out.
From what I can hear it all sounds a bit average, I am no fan of the 1970's NE5532 anyway.
I'd like to know what is the ADC audio interface you are using?
Because if that's got a load of meh opamps and ADC in it, that will be bottlenecking the sound anyway.
Great work, Greg. They all sound good in different ways.
Perhaps the 8x was my least favourite.
I prefer (without detailed listening) the x2V2 and x4.
All the best, Rob in Switzerland
Did you test them with Fosi v3 mono? what opamps did you use to compare FOSI ZD3 & T+A DAC 200? Did you do it with open case? Pozdrawiam, Detektyw zakupowy ;)
My real-time impressions. Magnat MA 900 (mod) in Direct OFF (JJ 12AT7 preamping). Convolution with brightness at 6.5kHz, +0.3dB, Q=2. KEF Q100 5.25" coaxial (mod) in near field. With Kimber Kabnle 8PR cables, now with 5 mm cotton rope inside (as Danny Richie suggested weeks ago and does with his cables, with similar geometry to Kimber's).
05:29 - Cherry - Hara Noda
Super Sonic V2 - the best, more musical
08:29 - Falconeer - Lovren
Super Sonic V2 - the best, more musical
10:29 - World Goes By - Houses On the Hill
Super Sonic V2 - the best, more musical
13:29 - Love You For It All - Daniel Gunnarsson
Super Sonic V2 - the best, more musical
16:29 - Hotel Lalo - Harry Edvino
Super Sonic V2 - the best, more musical
Super Sonic V2 - 10 points (more bass, highs OK)
Super Sonic V1 - 8 points (more highs, too much with your speakers)
👉Hypersonic and Brute Force one - UNREAL SOUND, not credible. It is the same thing I notice in most 24/192 vinyl rips, too much spatiality, not credible, liking it better in 24/96 FLAC 0. Sometimes it is not like that, I have to decide in each rip
Explain what you understand about convolution or is this another word you overheard in the ladies toilet
@@nicoras8803 It is the best way to equalize the frequency response, especially if it is already very good (KEF Q100 at 30º from the listener, as happens in almost all coaxials: avoid direct focus, 0º). With rePhase I make the minimum adjustments in amplitude and... PHASE, minimizing it.
Up to 300-400 Hz our brain does not appreciate the phase change when equalizing, so a PEQ works very well. At higher frequencies we do appreciate it, so it is very convenient to minimize it. rePhase allows you to create the convolution file that you will then import into a good software player such as JRiver Media Center (64 bits better).
From the PEQ (included in the JRiver DSP) you can adjust the bass of each channel, the distance of the speakers if you are not in the center of the listening triangle... and effects for when the recording is not of great quality or to play series or movies.
The phase or time shift (JITTER), however small, is noticeable by our brain (it was thought not but now we know it is).
One of the problems with cheap class D amplifiers, such as the Fosi / TPA3255, is the phase shift starting from 1 kHz. With electronic music we will not notice it but if we listen to quality recordings with real instruments and voices without autotune we will. The new and expensive Hypex, Purifi, Orchard Audio... have reduced this phase deviation to 20 kHz (almost non-existent in class A and AB). Orchard Audio is directly 0 to 20 kHz.
Nice stuff. I'm very inclined to try them but I would need to know which one easily fit in which amp. It would be useful to have the info in the website, for example I have a fosi v3 at hand (in the past I bought some big op amps and had to sent them back cause I could not fit them).
You can test the large opamps without the amplifier covers, if you like their sound just drill a hole in the top of the case to fit them.
More transistors in parallel ===> more output current, hence, giving you greater drive to produce the output signal presented to the power amplifier's input stage. The sound output would be more dynamic, ease of sound reproduction. and a fuller sound. Another way is to have a CLASS A transistor or tube output stage, this was done before many years ago, but bulkier.
Viewers are conscious that sufficient or ample power in the sound chain produces excellent sound.
Covering the op=amp in catshit rather than old bubblegum is a marked improvement.
This is a pretty cool idea!
i couldn't hear much of a difference. but i didn't download the video and didn't use my Hi-X55 headphone.
this reminds me of an elektor low power amp project where they used something about 25 NE5532 op-amps or so as output stage.
This is a new product and needs better visualization during sound test. Hyper/SuperSonic V1/V2 means nothing to us when we can’t even see which opamp to relate to and what type/tech it has during sound demo. All we saw was a pretty carousel and names. Just skipped through it as usually…
did you ever heard something about a blind test?
@ 😆😆😆👍
if you go to his web page it has this video on it and you can listen while checking out each of the products
funny to see how you compare devices on song with dynamic range of few dBs, i think any op amp can do it well in 7-8 bit audio resolution
Would like to test "Hypersonic"in my XD05PRO via dip8 extenders :D very curious how these compare to V7 Burson or Sparkos SS3602 🫣
Same here, order placed!
You say that it is better to listen via browser. In my case: W11 optimized for multimedia (reduction of JITTER generated in the CPU: ALU internal registers), Firefox -> JRiver MC 64 bits, which takes control of the audio via WDM driver. Firefox with uBlock Origin to avoid the advertising inserted by TH-cam (or free Spotify).
The sound from Firefox is better than in Chrome-based browsers.
I have an Allen&Heath Mod2 mixing desk from 1972, do you think the op-amps would reduce noise and clean up the signal, would love to use the desk as Stem mixer (it has 16 channels with 16 monitor return channels, take off 2 monitor channels for master and in theory I could have a 30 channel audio summing with 16 channels with original CARNHILL Transformers and a simple EQ), I don’t know how many op-amps are on each channel, so do you do bulk discount? (Or be interested in working with me as a joint project?)
I think the power supply would need a major upgrade as well then if your op-amps are so hungry 🤭🤭🤭
Where are you based, I’m in Hannover, Germany
Automatically voids original warranty of an amp or any other device, plus risk of over heating or worse. Space Lego gimmicks in this case but Grzesiu has a sense for creativity and marketing :)
The V1 reminds me of the Muse 02 only a bit punchier. The V2 was the one that made my ears perk up first. When it switched to the V2 it was so drastic that even across the room I could immediately hear the difference. The V2 reminds me of the really nice sounding Kenwood intergrated amps that where Dual mono internal construction with everything being discreate componets no op amps from 1970's early 1980's. I might like to get 2 of those V2's and 2 hypsonics!
The Hypersonic was amazing and that is what I will be ordering for sure. I have a wife and 3 sons and Christmas is awfuly close so might have to wait. I would like to get 4 or more to have on hand but will likely just order 2. I like it all. I like good highs, mids and lows and the ability to be very dynamic and quick when it is required. I like a clarity but not at the cost of texture, sound stage, and warmth. The hypersonic seemed to have it all while still being very balanced.
The Brute Force was absolutely incredible sounding!! In the early 1990's I owned a McIntosh tube amp and a set of Sansui Mono Block amps and the Brute Force reminded me of those with a good source that was well mastered and very dynamic. It had it all the highs, lows and mids as well as incredible seperation and sound stage with lots of punch. It made the amp sound like an entirely different amp. I used to run really powerful amps and then only run them in the 1wpc to 20wpc range into very effecient speakers and that is what the Brute Force reminded me of. It was as if the amp suddenly developed more dynamic head room and power. It was hard to believe it was the same speakers and amp! Too bad it is so power hungry and generates so much heat!
My dac streamer has a transformator on the output❤
Nice!
С классом "D" это пустые хлопоты.
Gimmicks. But he has a marketing sense for it. Space Lego opamps. Still gimmicks in this case :)
Dude, you're doing great things, BRAVO 👋👍
So you're telling me, by using 8 opamps to increase the current capability of the whole thing by 8, it's now capable of driving 256 poweramp input stages at once, instead of only 64? 😂😂
Seriously, that's such an exercise in futility. Input stages are so high in input impedance, any bog standard opamp is severely overpowered for the purpose already.
co za bzdury, litości. Kolejny etap wyciągania kasy od ludzi.
A decent poweramplifier doesn't need to be controlled by the pre-amplifier, it will listen to it's output signal and amplify it fully faithful and therefore fully transparent with the exception of the power needed to drive the loudspeaker correctly. I don't like your useless products certainly when you scratch of the type numbers of the OpAmps you use as I have seen on your own website. That is a shame in it self and show that none of your customers can trust you and your products. It's a discrase.
This is a new product and needs better visualization during sound test. Hyper/SuperSonic V1/V2 means nothing to us when we can’t even see which opamp to relate to and what type/tech it has during sound demo. All we saw was a pretty carousel and names. Just skipped through it as usually…