Class A Pre Amplifier with IC

[Agus Widarto]

Hai any one want to build the pre amp? just try this one! i found this schematic of pre amp class a with ic at sam web site, first view this simply schematic but the sound is good! here the schematic

 

[Agus Widarto]

This picture of Class A pre amplifier with ic

My Kendang#1 Pre Amplifier

 

[Agus Widarto]

and here inside of my Kendang#1 thats Ex PCB my old power amplifier. I am just do a little jumper and cuting of to modification that pcb !

 

[finwbu]

but the sound is good ..and a better one..
NE 5534 and BD139 and BD140

regards Walter

 

[Agus Widarto]

Yup Yuo Right,,, iam use too ( 139/140 )

 

[Nordic]

Wat is up with those burned resitor spots?

 

[Tube_Dude]

but the sound is good ..and a better one..
NE 5534 and BD139 and BD140

regards Walter

Hi Walter

Don't you find 4,7 K is to low for a preamp input ?

The NE5534 (my favorite op amp ) seems overcompensated , he needs 22 pF for unity gain and you use 87 pF for a gain of 2 , any special reason?

Regards

 

[Agus Widarto]

Wat is up with those burned resitor spots?

Ha ha ha... yups! resistor burn , thats pcb is ex my old power amplifier kit.

 

[Tube_Dude]

Ha ha ha... yups! resistor burn , thats pcb is ex my old power amplifier kit.

That I call recycling...

 

[Agus Widarto]

Or you want to build ( Clone ) this Pre Amp ( BRYSTON BP4 Pre Amplifier )



regards

 

[Agus Widarto]

Actually the KENDANG is like this picture... just for your information.


regards
agus