Power amplifier simulation basics

I'm working on a clone of a vintage home audio amplifier and wanted to verify the design before building it. This is my first Circuit Lab project and I wanted to check if I'm missing anything:

  • The amp requires +-48V supply rails. Are the voltage sources connected correctly?

  • There are 5K pots for bias and (and I believe) input sensitivity. Are there good starting values to set these at for a simulation?

  • I am getting a transient solver non-finite value error when I try to run 1KHz time domain analysis on the positive speaker output. I've double-checked everything I can. Do I have any floating connections or other obvious set-up issues?

Thanks for any hints or advice.


by jmyres
June 01, 2017

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