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2286b

  1. Mike Sweeney

    Why pull and redo power transistors on the heatsink

    I'm working on my 2285B getting through various bits and now it's the main amp. The transistors all work but the mounting was pretty sloppy. I pulled two (PNP and NPN) and saw that the silly putty was starting to dry out and get cake-like. So scrub and cleaning I go. I also put cleaner into the...
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