JLM AUDIO

OK Joe, sorry for the confusion. I went back through some emails, and you did send me the 39v zeners. I am getting proper voltages. I managed to get all my channels hooked up to my 2503's today and they all work wonderfully except for channel 3. I'm getting signal to the output, which is porportiona...

I put a new battery in the voltmeter, and it is reading the SMPS correctly. Good call, Joe. Sorry, I meant 33v zener :? My op amp pins now read: V+:37.3 1/2v:18.6 0v:0v out:4.3 -in:4.3 +in:18.6 This is actually what they have always read, with the exception of the -in and out voltage. I'm not using ...

Hello folks, I'm having some issues with my BA4 (Joe I sent you an email with photos). I recently built a BA4 for a API style (2622 input xfrm, 2520, and 2503 output xfrm) sound. I finished everything without the output iron and all the voltages were correct. All channels passed signal perfectly, so...