[Amplifier IRS2092 / IRFB4227] HYY-01 questions

[daniboun]

Awesome! You welcome, enjoy!

Merci amigo )
Next step :

A) Double Mono IRS2092 @ 300W + LTC Double 60V PSU
B) Non Public version of TPA3255 with Burson Audio AOP. + Linear PSU

 

[daniboun]

First feedback amigos :

Wondom IRS2092 is OK, sounds pretty well very powerfull but a bit noisy...
But we are very far away from the Combo AIYIMA TPA3251 + Burson Audio AOP, for the moment I did not find something better.

 

[daniboun]

Last question amigos !

I want to add a volume knob.
Sounds good for you ? :

 

[Victorinox]

You can get one off eBay with 9-12vdc motorized remote. About $20 or so.

 

[Victorinox]

Or one by sure electronics. No remote and much cheaper.

 

[daniboun]

You can get one off eBay with 9-12vdc motorized remote. About $20 or so.

Thanks I know. But this is one I have at home...

So just want to know if my connection diagram is correct in the picture ?

Many thanks )

 

[Victorinox]

Looks correct to me.

 

[daniboun]

Looks correct to me.

Many thanks for your help again
I Guess it does not need any power supply to Work?

 

[Victorinox]

Many thanks for your help again
I Guess it does not need any power supply to Work?

You most welcome.
No power supply needed. It`s just a potentiometer.

 

[Victorinox]

First feedback amigos :

Wondom IRS2092 is OK, sounds pretty well very powerfull but a bit noisy...
But we are very far away from the Combo AIYIMA TPA3251 + Burson Audio AOP, for the moment I did not find something better.

Every 2092 I tried was dead quiet,not even a little bit noisy.

 

[daniboun]

Every 2092 I tried was dead quiet,not even a little bit noisy.

I have a kind of hiss on mine... however my installation seems correct.
Any idea ?

 

[Victorinox]

1.Try different amplifier with the same signal source.
2. Disconnect inputs. Any hiss?
3.short inputs. Any hiss, any change in hiss?
4. Report back.

 

[daniboun]

1.Try different amplifier with the same signal source.
2. Disconnect inputs. Any hiss?
3.short inputs. Any hiss, any change in hiss?
4. Report back.

I made a test with the folowing : Source = LG V30 + HD Audio music
Preamp : DAC AK4497 > to Amplifier via hight quality RCA cables
Source : Bluetooth APTX HD , LG V30 to DAC AK4497


0) disconnected input = seems OK
1) TPA3251 + DAC AK4497 = dead silence
2) IRS2092 + DAC AK4497 = noisy (kind of hiss)
3) I shortened the Inputs into the DIY Amplifier = the same (hiss)
4) Tested with another pair of RCA Cables + DIY amplifier = the same (hiss)
5) Bypass the AK4497 DAC and fully connected LG V30 to Amplifier via RCA cables = the same (hiss)

It seems that IRS2092 does not like my source = LG V30 audiophile phone.

 

[daniboun]

Some other pictures may help :

 

[daniboun]

Hi amigos,

Another question, what is the correct wiring picture ?

 

[Indigent Audio]

Anyone have experience with a Sure AA-AB32291V110 ? Any chance it will run on a 59V +/- linear PS? How about real wattage, or to be more frank things rated at 1%thd or worse 10%thd are unusable to me, I cannot find an output of this board at .1%...in general is this a board anyone would use? Thanks