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Original Message

RE: Brook 12A bass response?

Posted by Thermionic27609 on March 13, 2017 at 14:37:49:

Thanks. It should work when I'm done. I tested the OPT in a few ways including running a signal into the secondary and checking the primary for any distorted or unbalanced waveforms, plus a HV leakage test using a condenser checker as the supply. With amps this old, you never want to get to the end of a repair only to turn it on and find that the iron is bad.

With point-to-point circuits, I find that it's best to think through any possible mods or updates before you start soldering components to terminal strips.