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differential pair

  1. c.coyle

    Testing speaker protection circuit

    I replaced the differential pair transistors in an amplifier and, when I tested offset (with no speakers connected, thank the stars), I got 38 volts at the speaker terminal on that channel. I went back and figured out that I had an open solder joint on one of the new trannys. That fixed the...
    • c.coyle
    • Thread
    • dc offset differential pair relay speaker protection
    • Replies: 1
    • Forum: Solid State
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