10 OpAmps tested with HQ sound demo - Op-Amp Rolling - Find the hidden gem !

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10 OpAmps tested with HQ sound demo - Op-Amp Rolling -Find the hidden gem !
In this video I am testing following opamps:
Sparkos 3602, LHY Discrete Double Opa, Parallel NE5532, LT1028, NE5532, Staccato OSH-DHb, Muses 02, Muses 8920, Oracle 02, Burson v7 Vivid, LHY Discrete Double Opa
I record the sound samples with my Schoeps CMC6Mk4 Microphones and 32 Bit Float recorder.
In this video there is the same sound samples played on each of the Op Amps - 1 minute for each sample on each Op Amp
Link to download Uncompressed FHD 32 Bit Float Opamp Battle Video (you need to download it not watch online for the best quality) - drive.google.com/file/d/1V66E...
Join this channel to get access to perks:
/ @virtualhifi
SYSTEM IN THE VIDEO:
SPEAKERS: QUALIO IQ - www.qualioaudio.com
AMP: FOSI V3 - bit.ly/virtalhifi (affiliate link)
STREAMER: PC with HQ PLAYER for Upsampling to DSD512 on the fly Using Tidal and Roon
DAC: T+A DAC 200
CABLES: Audiomica Excellence USB, VirtualHiFi interconnects and speaker cables
FOOTERS: VirtualHiFi Vibron
Link to download Uncompressed FHD 32 Bit Float Opamp Battle Video (you need to download it not watch online for the best quality) - drive.google.com/file/d/1V66E...
Video to the Parallel Muses 02 test - • Как звучат MUSES02 сое...
Shout Out to Great store where you can buy the Opamps in Europe - www.audiophonics.fr
My Listening session notes
NE5532 - overall good sound a benchmark for the opamps.
Sparkos - open nice reverbs of strings , rich vocals, nice energy, big precision, good transients speed, Musical character
Parallel ne5532 - Big scale, full rich sound with plenty of definitlion. Great immersion, Big heat generator Overall the best bang for the buck performer ;)
1028 - big scale, Nice well balanced Opamp
LHY Discrete - big bold rich but airy with great detail, big scale big size, analogue but not boring - very impressive, deep soft but controlled bass very musical
Stacatto -rich relaxed analogue, not as wide soundsage but good depth, not the best reverb in the air
Muses 02 - rich, organic, wide, decent soundstage, non aggressive highs, overall good opamp for making sound a bit more relaxed
Muses 8920 - rich but muddy, blurred, little reverb, big vocals.
Burson V7 Vivid - bold wide sound with reverbs, rich vocals, big air, tight bass great first impression quite wide soundstage, precise big vocals, in your face type of sound, musical character
Oracle 02 - nice colour, quite rich, a bit relaxed, full, nice separation nice air in the guitar, great for the price - 7$ Pricetag make it a definite candidate for a test
WARNING !!!!
Here is one comment (Thank you Kraken once again :) with expiation the paralysation of the Opamps, so test it at your own risk ;)
“If he literally just connected the legs of the chips, well, he was lucky. This op-amp survived that.
But don’t rush to accept a simple explanation as a recipe for all occasions. I insist that doing so is not correct. The total current consumption should increase significantly. Connecting the outputs directly is analogous to a short circuit. Most likely, in this design the through current of the output stages of both op-amps has increased significantly. But not to a critical value - operational amplifiers usually have an output current limitation. But increasing the current through the output stage usually has a beneficial effect on quality. In general, there are prerequisites for an increase in quality. But the method is barbaric."
00:00 - OPAMP BATTLE INTRO
01:53 - Track 1 - OPA A
02:53 - Track 1 - OPA B
03:53 - Track 1 - OPA C
04:53 - Track 1 - OPA D
05:53 - Track 1 - OPA E
06:53 - Track 1 - OPA F
07:53 - Track 1 - OPA G
08:53 - Track 1 - OPA H
09:53 - Track 1 - OPA I
10:53 - Track 1 - OPA J
11:54 - YT Compression is update
17:04 - Track 2 - OPA A
18:04 - Track 2 - OPA B
19:04 - Track 2 - OPA C
20:04 - Track 2 - OPA D
21:04 - Track 2 - OPA E
22:04 - Track 2 - OPA F
23:04 - Track 2 - OPA G
24:04 - Track 2 - OPA H
25:04 - Track 2 - OPA I
26:04 - Track 2 - OPA J
27:05 - Track 3 - OPA A
28:05 - Track 3 - OPA B
29:05 - Track 3 - OPA C
30:05 - Track 3 - OPA D
31:05 - Track 3 - OPA E
32:05 - Track 3 - OPA F
33:05 - Track 3 - OPA G
34:05 - Track 3 - OPA H
35:05 - Track 3 - OPA I
36:05 - Track 3 - OPA J
37:05 - Track 4 - OPA A
38:05 - Track 4 - OPA B
39:05 - Track 4 - OPA C
40:05 - Track 4 - OPA D
41:05 - Track 4 - OPA E
42:05 - Track 4 - OPA F
43:05 - Track 4 - OPA G
44:05 - Track 4 - OPA H
45:05 - Track 4 - OPA I
46:05 - Track 4 - OPA J
47:05 - Track 5 - OPA A
48:05 - Track 5 - OPA B
49:05 - Track 5 - OPA C
50:05 - Track 5 - OPA D
51:05 - Track 5 - OPA E
52:05 - Track 5 - OPA F
53:05 - Track 5 - OPA G
54:05 - Track 5 - OPA H
55:05 - Track 5 - OPA I
56:05 - Track 5 - OPA J
57:05 - OPAMP BATTLE Conclusions

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11 июл 2024

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Комментарии : 109

@VirtualHiFi Месяц назад

Please LIKE and SUBSCRIBE For stunning revolutionary 3-way speakers visit - qualioaudio.com

@GOLD4MUSIC Месяц назад

Two surprises for me. 1st) The LHY Discrete, overall the best in all aspects, purer analogue amplifier is not possible, bass, mids, highs all there with speed and precision without hardening. 2nd) Parallel ne5532, no comments just one, just perfect sound for the price and much better than other competitors at 10 & 30x the price of this one.

@Simon_Hawkshaw Месяц назад

Amazing information and comparison between these opamps. Thank you so much for sharing this with us all.

@mjw901 Месяц назад

One of the best Op Amp comparison videos!

@Apocrypha303 Месяц назад

Thanks so much for doing this. That's a lot of money in op amps for people that just own one of the cheaper amps.

@VirtualHiFi Месяц назад

I totally agree, and I do that so that one can preselect or even choose the best sounding one without all testing hassle 🤠

@michau_12 Месяц назад

Burson v7 Vivid (I) is the best natural sound for me. Thank you for this big test for us 😀

@cowboy9158 Месяц назад

This double opamp is very intresting! Back in the days, about 1975, I was a kid building hifi. At that time we had a magazine in Sweden called Radio and television with a lot of intresting drawings, do it your self things. I found a RIAA pre amp that I built and believe it or not. Designs was a lot of shitty transistors in parallell. In total I should say about 30. My RIAA had clearer sound and sounded better than my Kenwood. It also had a much lower noice level. I have tried to find that RT with no success. RT magazine have som public sources on internet. And yes, this double opamp really works and I was a little skeptic in the beginning but I think the difference is amazing! I can hear it and my hearing is not the best after listening to, to much noice in my childhood 😅. Keep up all the good work!

@kittykatking7882 Месяц назад

Awesome, I love these. Best yet. I thought A was the sparkos, as it seemed to play faster. Found some I would definitely like to try. Thank you for a great effort.

@dab9742 Месяц назад

Missing from your magnificent report is the famous SPARKOS LABS SS2590 PRO. I think you'd be very pleasantly surprised by the quality of these AOP ! 😉

@sjhorton1184 Месяц назад

WOW - was NOT expecting the YT compression to make that big of a difference, but boy, was I wrong. I have listened to so many clips comparing speakers or other kit on YT and was impressed that I could hear a difference, so much so, that I thought there might be a slight difference but I was NOT expecting it to be THAT big of an improvement in SQ (sound quality). Just started the two, YT and G Drive after your pause and comment section, and the air in the G Drive (uncompressed) video was shocking compared to the YT video. I will watch both all the way through, but just had to stop and comment about the difference I'm hearing. THANK YOU!

@seechunchong9876 Месяц назад

Excellent work. Thanks for sharing. As for my experience, since I prioritize on vocals and don't have too much money to spare, I had used 2 pieces of Muses 02 op amps and 1 Oracle II, for my tube pre-amp (for Turntable) and use 5 pieces of Oracle II for my Douk Audio T8 Pro 7 band tube equalizer. That's all good enough for me. Cheers

@DacMaster Месяц назад

Thank you very much for repeating my experience with parallelization 😊 You made the great video! 💛🩵

@VirtualHiFi Месяц назад

I'm so glad! Thank you :)

@tonym8358 Месяц назад

Try 6 hours and let us know before I fried 700.00 dac

@Thoughtflux 7 дней назад

How to parallel solder them? Any link will be highly appreciated.

@Apocrypha303 Месяц назад

I have never heard of parallelization before so that was news to me. I use Muses 02 in my DAC. I took all the NE5532 op-amps out of my ZA3, so if I ever learn how to solder, I guess I'll have that project waiting for me.

@kraken-s Месяц назад

It's great that you tested everything so quickly!! (paralleling of opamps) I understood the topic a little and in general this is not entirely correct electrically, what you said about high temperature is precisely a consequence of this. But it sounds!! also my audio engineer friend commented “If he literally just connected the legs of the chips, well, he was lucky. This op-amp survived that. But don’t rush to accept a simple explanation as a recipe for all occasions. I insist that doing so is not correct. The total current consumption should increase significantly. Connecting the outputs directly is analogous to a short circuit. Most likely, in this design the through current of the output stages of both op-amps has increased significantly. But not to a critical value - operational amplifiers usually have an output current limitation. But increasing the current through the output stage usually has a beneficial effect on quality. In general, there are prerequisites for an increase in quality. But the method is barbaric." so be careful.

@jmbuchela5424 18 дней назад

I'm scratching my head about the heat issue. There is only so much juice available in that part of the circuit, so, powering a sandwich of two OP amps, instead of one, should generate less heat, since two devices are using the same available power. Why is it overheating ? We need an electronics guru here

@phillipmorris9847 Месяц назад

i thought the first 6 were pretty close through yt on my set up but then each one after was a tad better than the one before and j being the best but wow if those oracles are only $10 that might be the way to go if you need several. thanks for doing this test you are awsome and your sound clips are the best

@matytinman Месяц назад

This time I waited for your conclusions in the video. I am amazed by the Paralell NE5532. The other one that stands above the rest is the LHY Discrete Double Opa. In the test you did with the new Fosi V3 mono I liked the Muse02 better, while with the ZA3 mono it was Sparkos. 👉A Paralell Muse02 can be amazing. You should try the same with OPA828.

@benoitdugas745 Месяц назад

Merci! Great work!

@VirtualHiFi Месяц назад

Thank you too! 😀😀😀

@raulmartin2197 Месяц назад

Sparkos are the way to go!!!

@Scrufboy Месяц назад

Missing is the king.... The SS2590 dual pro from Sparkos.... I use those in my Preamp and my Geshelli J2 AKM4499EX DAC. Absolutely sublime.

@razzman2987 Месяц назад

Youre king.. 😅

@ryanmcgrath9869 18 дней назад

I'm looking at getting the Geshelli J2S or J3. There were 3 (or 4) op amps that stood out to me and one in particular. I'm curious to know what your top 3 were, just to see if we like the same sound. If so, I'll definitely look at the SS2590 Dual Pro. Thanks.

@Thoughtflux 7 дней назад

How does it compare to others reviewed here?

@radekk.4271 Месяц назад

Tak sobie oglądam Pańskie filmy i nawet skusiłem się na tani wzmacniacz klasy D- mega pozytywne zaskoczenie. Wielkie dzięki. Jakość nagrania robi wrażenie . Oczywiście muszę wtrącić swój mega podziw i szacunek za stworzenie tych petardowych zestawów głośnikowych. Słuchałem filmów na słuchawkach i na swoim zestawie Hifi, w każdym przypadku brzmią idealnie. No i ten design. Życzę wielu sukcesow. Podpowie Pan jaki to utwór tak pięknie sobie przygrywa w tym teście ?

@fabricegrard1001 Месяц назад

Merci, super

@VirtualHiFi Месяц назад

Thank you

@chrisharford2610 Месяц назад

Great information, thank you. I'm new to this so any help is welcome.

@davidrivera2165 Месяц назад

I'm sure the op amps do indeed improve the performance. However, I must make a point that the rest of your system (DAC, Speakers, and upsampling to dsd 512 via HQ player) is what truly make these demos sound excellent, even with RU-vid compresion. Those in the market for an inexpensive amp, such as Fosi, will not be pairing the amp with $15k worth of speaker, dac, upscaling music server. I'm far more interested in comparisons of Solid state amps and dacs in the $2-5k range. I appreciate your excellent hard work.

@villageroma Месяц назад

Well each one of us has his own taste and for me the Staccato is the one closer to truth and the only one without listening fatigue. I don't like operational amplification, opamps.. I am a SET guy but I must say that I could live happily with the Staccato. The others are trash for my ears and my brain. Regards

@tofffsymagic1099 Месяц назад

Thank you for this excellent comparative, i prefered the A with the Burson's wich are more bassy, what a surprise! Amazing! The first 20 seconds of listening, I asked myself WHAT IS THIS? Even before to listen the others. I've watched and re-watched your previous tests and samples dozens en dozens of times. Does somebody know if it is possible to buy a dip8 opamps paralleling adapter? I'm so curious how opamps paralleling could sound on my Aiyimas A07 Max, now i hesitate to buy some Bursons or wait with my Akliams LC5 until you publish more paralleling experiments

@tallpaull9367 Месяц назад

Cool test, thanks. Do you think there's room to fit a small aluminum dip 6-8 heatsink on the Parallel N5532 op amps with the V3 Mono enclosure. If so, max height for aluminum heatsink? I guess you could try to get really crafty and fit a solid aluminum piece that would fit between the opamp and case, try to transfer heat directly to enclosure. tricky tho.

@torus186 Месяц назад

I had A down as the standard NE5532 Op Amp in all but track 2. Think I preferred B single to A parallel. My favorites however were D F and G so smoother sounding amps, not a surprise as I prefer analogue.

@alberto3028 Месяц назад

Analogue or discrete?

@marklydon435 Месяц назад

As in vinyl.

@danielbrrio Месяц назад

For my taste, the NE5532 (B) was the best.

@anjovandijk9797 Месяц назад

Kinki EX-M1+ with Sparkos very good separation rich Open deep soundstage musical

@jeff3575davison Месяц назад

Think I might parallel some BB OPA2134'S

@michaelschwader7944 Месяц назад

I have the Burson V7 Pros upgraded from their V6s. I experimented with the Classics and Vivids. For my DACs, I experimented with all four Vivids, all four Classics and two Vivids (LP) and Classics (I/V) and vice-versa. For me, I ultimately settled on the Classics (warmer) in the LP stage (filter stage) and the Vivids (brighter) in the I/V stage (driving stage). It's a great combo, and it would be neat to see a video by someone experimenting on mixing amps like this instead of just here are the opamps. Enjoy. This could be a neat video for you. Mixing Sparkos with Muses or LHY with Burson, etc.

@beherit98 Месяц назад

Coincidentally I tried playing between the vivid and classics for my soloist 3xp and found as well V6 classics for the input stage and vivid for volume gain works best.

@michaelschwader7944 Месяц назад

@beherit98 I see. It's cool to see that I'm not the only one to have that opinion. I initially had a Sound Blaster AE-9 for my custom-built PC, and I was curious about the op-amps. I did some research and found that they can change the sound signature, and that's when I ran across the Burson V6s. I decided to purchase a set of each for Vivids and Classics. I found all Vivids to be a bit overwhelming, all Classics a bit too rich. Classics in the I/V and Vivids in the LP lacked a bit of punch. When I reversed this, I felt it was perfect (for me, anyway). Later, I upgraded to the V7 pros, and it sounded even better. I was initially running with a pair of Audio Technica ad700x. I upgraded to a Sennheiser HD 6600S2, and that was even better. I have a 5.1 surround sound system in my room (Onkyo TX-NR6050 with Paradigm Cinema CT70 satellite speakers), so all I used the AE-9 for was headphones. Unfortunately, the ACM unit bit the dust a couple of months later. I decided to try their dacs. New to this, I purchased a demo unit (more than half off) of the Composer, believing it to have a headphone jack. I was wrong. I even purchased a set of V7s Classics. When I realized my mistake, I gifted it to my dad for his birthday/ Father's Day gift as both were around the corner. He, too, agreed on the orientation of the op-amps. I ultimately settled on the Playmate 2. I swapped out the op-amps from my sound card to my new dac, and I must say, it put the AE-9 to shame. I'm glad I switched. Don't get me wrong. The AE-9 is fantastic for a sound card, but I certainly didn't realize how much of an upgrade I was getting.

@jedi-mic Месяц назад

Even better if you get the two ic opamps stick a piece of copper tape on top of both oamps making sure they're not going to touch any of the pins except the ground pin and solder it to the ground pin. and you can leave a gap between both of them it shouldn't be a problem still enough room with the pins just about also putting a small polystyrene cap across VCC plus a minus of 0.1uF makes a big difference reduces inductance

@stevenconnectingtogether6703 Месяц назад

I … clean, details, clarity with wide sound stage but bass is normal. D is right bass than I but somehow I felt for I than D … but F is kind of bad ass for bass !! 😀 I rate no 1 is for I, 2 is for D and 3 for F .. Sorry I can’t listen til end but Thanks you for your video. Much appreciated

@elfton Месяц назад

What about NE5532 and Muses02 soldered in parallel, are they compatible? CanEver Audio make parallel solid state and tube circuit in their top model DAC with great result

@csszabi8779 Месяц назад

Proposal for FOSI: The Fosi V3 MkII should be designed with a higher cover to allow OPA replacement in them. If they do this I'll buy 2 pcs. 😃

@VirtualHiFi Месяц назад

I'll send that feedback to fosi and I totally agree 👍

@fx-studio Месяц назад

I think I still prefer the OPA828 series, would be interesting to parallel those though - I mean if that paralleled NE5532 from 1977 can sound that good!

@VirtualHiFi Месяц назад

I was also surprised by that. more parallel tests and explanation will come soon - hopefully ;)

@fx-studio Месяц назад

@@VirtualHiFi Yeh, I bet the explanations got the techs in a twist. My guess is that its like Toppings Pre-90 Pre-amp where the design has Op Amps within Op Amps within Op Amps, which makes the distortion very very low. I just ordered a set of OPA828's today and as I need to layout a little PCB for them anyway (as they need a heat transfer pad underneath) I am going to double up the footprint so I can try paralleling two together. 🙂

@ChristopherRidler Месяц назад

Just wondering whether you think Op Amps make any different to sub-woofer output? Do different Op Amps perform better? I watched one of your previous videos and removed the XLR and sub-woofer op amps from my ZA3 and definitely sounds better. But wondering whether I would have a better sub-woofer experience if I used better Op Amps. Thanks,.

@jonatayy 29 дней назад

Depois de ouvir todos e saber a identificação de cada um, peça para alguém tocar aleatoriamente as faixas, um novo teste cego, se você acertar mais do que 10% pague um excelente jantar para você mesmo. Acho que você vai ficar sem comer. As diferenças são muito pontuais. A depender da track um ou outro se destaca um pouquinho mais.

@scottmuhlbaier1945 10 дней назад

This video was invaluable because I'm considering a Geshelli DAC and one of their options is the Burson V7 Vivid. Along with Parallel 5532 (which I've never heard of), the only other op-amp I gave a 10 on listening test was the Burson. I had a feeling that would be a sleeper... What was really interesting is I gave the parallel 5532 a 10 but the single one a 7. Is that modified parallel one available to purchase

@EstrassFaMiLi 25 дней назад

🙏

@zxwang5003 Месяц назад

Thanks

@user-go9yz1gk7k Месяц назад

G the best

@Montebruno 13 часов назад

p.s. I am not affiliated just a happy customers of theirs (please read the reviews)

@grbii916 21 день назад

Can you parallel two different op amps together to mack a different sound like Muses 02 and NE5532? I can't wait to see the video when you parallel two Muses 02.

@D1N02 Месяц назад

A,C,E,F,H,J C or F may be my favorite (after listening to the first song only)

@VirtualHiFi Месяц назад

Thanks for sharing ;)

@ASFotoWUE Месяц назад

Same for me

@D1N02 Месяц назад

second song C,D,E,F,H,I,J (a was too congested b meh) F and C H fav's

@D1N02 Месяц назад

Song 3 C,D,E,F,H,J C,F,J best. I am am drawn to airiness it seems

@D1N02 Месяц назад

song 4 C,D,E,F,H,J

@tallpaull9367 Месяц назад

For V3 Monos, if you had to pick between Muses 02 and Oracle 02 (not concerned about price) which would you use.

@VirtualHiFi Месяц назад

I'll check that for sure later on but price wise the oracles are awesome and since 4 are needed Id think about them. but that is a great video topic best opamps for the V3 monos. I'll do that for sure ;)

@vonjuergen Месяц назад

46:34 39:30 26:15 19:14 LHY Doule Discreet OPA sounds delicate and spaciuos. But Analog Devices LT1028 sounds the best in terms of PRAT for me. 17:04

@tamersosman Месяц назад

Which op amp is more dynamic and produces more deep bass and more treble extension?

@istvanantal6848 Месяц назад

thank you this video! great tip parallel5532. Has anyone tested the parallel ne5532 for a longer period of time? i don't want to kill my v3..

@istvanantal6848 Месяц назад

@@piksinjo69 thank you! 🙂

@lamprosantoniou7853 26 дней назад

Paralleling devices is not a new concept but in this case some precautions should be taken. The LT1028 datasheet should have something similar. The example with the TDA1543 is not an apples to apples comparison. The TDA has a current output and when paralleled the currents sum up. In the case of an op-amp the output is voltage. In a perfect world the output would be zero if the input was zero but in real life the output has a DC offset that varies between units. Connecting them directly will cause due to the voltage difference even if it is just a couple of mV a high current flowing from one output to the other. In most cases this can be mitigated using balast resistors.

@markgriffiths6540 18 дней назад

LM4562 works well in my Aiyima A07 Max.

@JRadian Месяц назад

My 100% honest blind impression was that A (parallel 5532) was great-sounding, then B (NE5532) and C(LT1028) were poor sounding (low resolution, veiled), then all the rest were great-sounding again depending on one's tastes. I was shocked to find out A was parallel 5532, and since I have a ton of 5532 around, I will solder them together instead!!

@SERKAN_HOT34 Месяц назад

Hello, first of all, there is no one who makes a wide variety of detailed comparisons in opamps, it was a very nice comparison video. But it would be great if you write the opamp names like A,BC,D... It would be great if you at Least specify in the video description which opamp is playing while playing, thank you.

@obudaifourty9 Месяц назад

I was thinking the same.

@tofffsymagic1099 Месяц назад

The goal is to identify the opamps you prefer objectively, without the bias induced by knowing wich opamp you are listening.

@SERKAN_HOT34 Месяц назад

@@tofffsymagic1099 Yes, I partially agree, but it would be great if it was stated in the descriptions which opamp plays in the A,BC,D... options, because not everyone has the chance to buy expensive opamps and it is impossible for them to do this. It is also impossible for these opamps to recognize their sound, I look at the issue from this perspective. Of course, I respect the effort made, thank you very much.

@KeithHeinrich Месяц назад

@@SERKAN_HOT34 information is at the end of the video. Screencap or write it down. Problem solved.

@SERKAN_HOT34 Месяц назад

@@KeithHeinrich i'm so sorry, I didn't watch the video until the very end, I was dreaming that opamap would write names while I was playing opamps, so I didn't watch it until the end of the video, obviously.

@tallpaull9367 Месяц назад

Would be cool to try to set these up using true blind ABX testing, maybe with more amps and something like a Van Alstine ABX Comparator. Get a few people together, make a RU-vid video showing the process, results... Trying to listen through RU-vid on headphones just doesn't convince me, didn't even bother trying.

@TheAndersonTeam Месяц назад

Thanks a lot for your work! Sad that there isn't Burson v7 Classic, because I try to choose which ones to order for my Playmate 2 and Arya Stealth. But it's not possible to include everything.

@everydaylikeasummer Месяц назад

1st place G/E 2nd C 3rd B other op amps sounding like working in bad wiring circuit

@Patrick-xq3ln 12 дней назад

Did you try to parallel muses02 yet? How do you solder these without melting them?

@ericelmore887 Месяц назад

What HQ player are you using for DSD UPSAMPLING.

@VirtualHiFi Месяц назад

signalyst.com/consumer/ the trail resets after 30 minutes and to get a bit of fan experimenting with filters good PC/MAC is needed ;)

@simonzinc-trumpetharris852 Месяц назад

8920 is nice but a bit lean an bass. I find LM4562 to be ideal. Discrete op amps are way overrated.

@gamingandmusic9217 13 дней назад

From the audio test, sparkos sounded best

@EricRhodeslives Месяц назад

Can you swap op amps on the Harmony Laiv?

@donnywidodo8874 Месяц назад

I'm just wondering, are your speakers standard or ultra version?

@VirtualHiFi Месяц назад

Standard version ;)

@donnywidodo8874 Месяц назад

@@VirtualHiFi Interesting, thanks for the reply

@FrancescoBalena Месяц назад

What about OPA627 ?

@tamersosman Месяц назад

Please try akliam lc 5

@tamersosman Месяц назад

Which op amp is more dynamic and produces more deep bass and more treble extension?

@robertpersson4223 28 дней назад

muses 02 totali changed my aiyima 07 max how is this possible i have mutch more power full and expensive amps and i dont like them better this is cracy wounder how your loudspaker sound .wounder if i should diy some li

@alberto3028 Месяц назад

D > I > A

@eViperRabbit Месяц назад

What is the name of the first track?

@michaelemmett7425 Месяц назад

The 1st track is 'Love you for it all ' Daniel Gunnarsson

@michaelsegel8758 Месяц назад

Sorry but if anything, the differences are very subtle. Listening thru headphones... I'll have to listen to your google file'd version... I believe you that you can hear a difference in 'real life' in front of your speakers, but not really over YT. I like the idea of soldering two cheap op amps... as an experiment... But how did your now $4.00 op amps compare to the more expensive ones?

@sc0or Месяц назад

I wonder what was your idea to record from an amplifier and loudspeakers rather than to plug to an AUX output directly in? E, B - premier league (and you've made something special to 5532 or made a mistake; most likely you've messed up B and I) F - special guest G, D, J - 1st division I, H, A, C - hobbyists PS The conclusions were made before I read the results, and I'm sure about B and I

@csszabi8779 Месяц назад

It's very good test. Thank You! My list: E=I>J=D>F=G=H=A>other