With no speaker connected, the 4V or so on the output is probably normal for this circuit. It comes from Q2 through the feedback resistors.
Enzo beat me to it ha ha.
Enzo beat me to it ha ha.
30% off all Honey Amp kits, check it out at https://store.ssguitar.com !
This section allows you to view all posts made by this member. Note that you can only see posts made in areas you currently have access to.
Show posts MenuQuote from: galaxiex on November 02, 2015, 07:56:42 PM
Slightly OT...
I actually have one of those Heathkit combo amps (Heath TA-16) that is mentioned in the 2nd post of that thread.
It uses that mix of NPN si and PNP ge transistors in the output stage. TA2577 NPN si, 2N2148 PNP ge.