Wanted: Schematic for Conrad Johnson SA250 Amp

[proteusmaximus]

I hope to recap my aging CJ Sonographe SA250 power amp, and am looking for a schematic to help me along. If you have one as a jpeg, pdf, or url please post a reply. Thanks!


Bob

 

[velfunaud]

SA250 CJ

Hi,

I have a amplifier SA250 CJ and 1 SA120 do you have please the schematic on sa250 and the value bias current Would you my send you? thanks
I have the schematic on SA120 i can send the schematic and the value of bias current ?
I have a preamplifier SC25 CJ and the preamplifier PF2 width phono card
bests regards

 

[paulgolding]

Hi. I’m looking for a schematic for the sonographe sa120 and came across this thread. You say you have the schematic for it. Are you able to send it across to me? It would be most appreciated. Would love to get this up and running again!

Thanks in advance

 

[velfunaud]

SA120

Hi,

yes I send you the diagram of the sa120 be careful to troubleshoot this amp you have to put the transistors with the original hfe as in this diagram.
Bests regards
velfunaud

 

[paulgolding]

Thank you so much. I have sent you a pm
Best regards

 

[Sledge93]

I have an SA-120, can you please provide the schematic to me?