In Reply to: RE: Yamaha Pro or QSC older amps for sub use? posted by mcgsxr on March 8, 2010 at 09:24:11:
Best case you have a listen, then take a look inside and see if you can see any sloppy service work. Non-standard transistors swapped in, swapped out PS transformer, or wiring added to bridge around a burned out PS circuit board would all disqualify. Older stuff is all about condition (IMHO), and aside from a listening test, peeking inside is the only quick way to gather info.
Gary
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Follow Ups
- RE: Yamaha Pro or QSC older amps for sub use? - BofService 07:30:39 06/10/10 (0)