Aiyima’s new balanced amplifier- A20

[Schlippwhip68]

Has anyone noticed that web feeding the A20 with a balanced signal it also travels through the RCA?
I have the Topping E50 connected via XLR and the signal is also going through RCA and oddly with more volume. This is in bypass mode. Is this normal?

 

[Schlippwhip68]

It's not slander if it is true. When you tell people something makes a difference to the sound when there is no physical mechanism for it to do to so - that is peddling misinformation. You are literally deluding people.

Your statements sound (to anyone who understands the engineering and physics) exactly like "Look - I've painted the wheels on my car white - now it can fly"


You've had the reasons why you can percieve differences that don't exist in the sound explained - over and over again. Yet you refuse to engage with that aspect of science and continue to make your nonsense statements. I don't deny your perceptions are very much real. It is just the reason for them that you are wrong about.


I even provided you with a video demonstrating one example of how your percptions can be changed - a very well understood and documented psychoacoustic phenomena (The Mcgurk effect). You dismissed it as "a brainwash"



Fosi also sell devices with replaceable op amps - they make no difference either. This is just another example of your credulity in believing what people trying to sell you something say.

…sigh, yawn…anyway…

 

[Jon L]

Has anyone noticed that web feeding the A20 with a balanced signal it also travels through the RCA?
I have the Topping E50 connected via XLR and the signal is also going through RCA and oddly with more volume. This is in bypass mode. Is this normal?

I don't understand the setup. E50-XLR-A20 but you also have E50-RCA-A20 at the same time?

 

[ziggurcat]

I don't understand the setup. E50-XLR-A20 but you also have E50-RCA-A20 at the same time?

My guess is they've connected both the RCA and XLR out from their E50 to the XLR/RCA inputs on the A20, and they've noticed that (I'm guessing here) when using the Balanced out from the E50, but having the switch on the front of the A20 set to RCA (and vice versa), there's still an audible signal.

I don't think that that should happen? I think one would expect to not hear anything if the A20 was set to the opposite input.

 

[Schlippwhip68]

I don't understand the setup. E50-XLR-A20 but you also have E50-RCA-A20 at the same time?

E50 balanced to the T20 - T20 balanced to the A20 + T20 RCA to A20.
The A20 in bypass will play signal through both simultaneously while the T20 is in XLR (blue) but if I put the T20 in RCA (red) there is nothing, no signal at all from either XLR or RCA. When in XLR mode on the T20 will all ow the same signal through RCA to the A20 and louder than XLR without the +3db active.

I find it a little odd but in bypass both RCA and XLR will go though simultaneously on the A20 and are not volume matched, RCA is louder on my unit without the extra 3db.

 

[Vohutla]

Ребята, конечно интересно менять лампы, микросхемы, но почему все забыли про такое устройство как графический эквалайзер ?
За свою жизнь я имел возможность перепробовать огромное количество настоящих усилителей 70-х80 годов, огромное количество разной акустики......и поверьте - для правильной настройки звука нужен был всегда только хороший многополосный графический эквалайзер с числом полос не менее 10, а лучше 15-и и более.
Попробуйте, я думаю вы будите очень удивлены результатом.
Конечно сейчас качество записи многократно отличается от того что было во времена винила и ленты и этот звук не надо править, но сами колонки и акустика помещений не позволяют слушать звук приятным, особенно полочные колонки......
Попробуйте начиная от не дорого варианта, например Behringer FBQ800 или более продвинутый Behringer FBQ1502HD

Есть конечно эквалайзеры цифровые, в компьютере, но поверьте - это не то, ручками совсем другие ощущения.

 

[Schlippwhip68]

These add a degree of warmth to your music, with further detail to intake via the windows of your soul, it acts very much like the extra speed an sporty sticker will give you on the bonnet of your Maclaren F1! Black Friday sale £11,000 only! Be sure to get there first and keep that audio edge on your own doorstep and in your ears!

What?…what do mean snake oil?

Ok, ya got me, very nice though. More pretty than Fosi Audio’s version which carried the theme of their recent product design, which in my opinion was a mistake, looking a little Einstein's wardrobe there Fosi!
Just picked this up for £32! It works well and tends to feed from the low frequencies more than anything.

What does this have to do with the A20….pretty much the same as any other amp you may sit this next too. Vanity? Yeah, probably.

 

[Ropeburn]

These add a degree of warmth to your music, with further detail to intake via the windows of your soul, it acts very much like the extra speed an sporty sticker will give you on the bonnet of your Maclaren F1! Black Friday sale £11,000 only! Be sure to get there first and keep that audio edge on your own doorstep and in your ears!

What?…what do mean snake oil?

Ok, ya got me, very nice though. More pretty than Fosi Audio’s version which carried the theme of their recent product design, which in my opinion was a mistake, looking a little Einstein's wardrobe there Fosi!
Just picked this up for £32! It works well and tends to feed of the low frequencies more than anything.
View attachment 489327What does this have to do with the A20….pretty much the same as any other amp you may sit this next too. Vanity? Yeah, probably.

Aww I wanted one of those, but they're sold for 80-100 moneys here. Insane. Got one of these VFD gadgets instead:

Sounds much better with cold, harsh, digital Electro anyway. Who wants warmth all the time? It'd only ruin it.

 

[Schlippwhip68]

My guess is they've connected both the RCA and XLR out from their E50 to the XLR/RCA inputs on the A20, and they've noticed that (I'm guessing here) when using the Balanced out from the E50, but having the switch on the front of the A20 set to RCA (and vice versa), there's still an audible signal.

I don't think that that should happen? I think one would expect to not hear anything if the A20 was set to the opposite input.

No, it’s just the balanced out coming from the E50 to the T20. The T20 it connected to the A20 via balanced and rca. The A20 does not separate the signal and runs it through both. I can only separate signal on the T20. If I leave the signal on xlr on the T20 the A20 will run the signal through both channels when in bypass but if I flick to rca on the T20 the RCA is silent on the A20 as I have no signal running into the RCA on the T20. So for some reason when in xlr on both units I have an universal signal from the A20 so I wonder if I connect another source to the rca and run it simultaneously without switching on the T20 I will have two signals running through the A20 which is not going to be practical.

 

[Ykar]

No, it’s just the balanced out coming from the E50 to the T20. The T20 it connected to the A20 via balanced and rca. The A20 does not separate the signal and runs it through both. I can only separate signal on the T20. If I leave the signal on xlr on the T20 the A20 will run the signal through both channels when in bypass but if I flick to rca on the T20 the RCA is silent on the A20 as I have no signal running into the RCA on the T20. So for some reason when in xlr on both units I have an universal signal from the A20 so I wonder if I connect another source to the rca and run it simultaneously without switching on the T20 I will have two signals running through the A20 which is not going to be practical.

Not sure what you mean but I understand that T20 always output to both XLR and RCA at the same time. Manual says the mode switch on T20 only change it's input source, not output. So when you have XLR feeding T20, both RCA out and XLR out have signal.

 

[Schlippwhip68]

Putting little bad boys in the A20 today.

 

[Gibsonian]

Putting little bad boys in the A20 today.View attachment 489597

What are you doing here specifically?

 

[Gibsonian]

Must be these? New opamps?

 

[sergiomiranda]

Am I the only finding it strange that we still don't have a review of this amp by amirm, even though his review of the Ayama T20 was posted a month ago?
I'm not pushing for or demanding anything, I just finding strange since I believe they were released at the same time.

 

[ziggurcat]

Am I the only finding it strange that we still don't have a review of this amp by amirm, even though his review of the Ayama T20 was posted a month ago?
I'm not pushing for or demanding anything, I just finding strange since I believe they were released at the same time.

I'm sure there's a mile long backlog of stuff that's slated for review.

I have my eye on this amp, too, but I am waiting to see the measurement data before making any concrete decision.

 

[esk]

It's just another TPA3255 based amp with 95dB ish SINAD, based on other devices by this manufacturer and their own measurements. We have seen so many similar amps here already so what is the big deal with this one?

 

[obsessive9119]

It's just another TPA3255 based amp with 95dB ish SINAD, based on other devices by this manufacturer and their own measurements. We have seen so many similar amps here already so what is the big deal with this one?

HPF, sub-out, trigger and price. I’m not sure anything else available has the same features, though I grant you the amp itself is unlikely to be surprising.

Personally I’m considering replacing my Fosi ZA3 (which will move to a secondary system replacing my aging NAD) basically just to get HPF and maybe a touch more power.

 

[esk]

HPF, sub-out, trigger and price. I’m not sure anything else available has the same features, though I grant you the amp itself is unlikely to be surprising.

Personally I’m considering replacing my Fosi ZA3 (which will move to a secondary system replacing my aging NAD) basically just to get HPF and maybe a touch more power.

It's a good amp considering the price and features, yes. But I doubt the measurements will not show anything drastic or special. Good that they implemented PFFB in this one. I might even buy one too for desktop set

 

[ziggurcat]

It's a good amp considering the price and features, yes. But I doubt the measurements will not show anything drastic or special. Good that they implemented PFFB in this one. I might even buy one too for desktop set

What I'm most interested to see is the load dependency specs. If it shows itself to have zero issues with that, sits between 95-102dB SINAD, and has perfectly reasonable power vs. distortion specs, it might just replace my 3e audio A7.

 

[IceLord]

I also want to refer to the HPF function here... it's a big advantage for 2.1 desktop setups (mainly made using small monitors with low bass performance coupled with a medium size subwoofer). HPF could make the big difference in this scenario. Such feature is not something to be overlooked.

So... I'm eagerly awaiting Amirm's review as well.