GHR Audio

Cheers Heikki thanks for the knowledge , not going to get around doing it any time soon to busy @ work


i think the first step will be figuring out the voltage gain of the i/p tx and then try to recreate that with an op amp

cheers

Denis

cheers for that, i thought it would kind of work, where would the center tap go pin 8 and 14 ? and i take it pin 9& 13 are o/p to the control grid ? whats that u3a op amp for.

best

denis

Heikki. could your transformer less input circuit work in the 670 Fairchild comp.

cheers

Dennis