random mute

  1. JD

    Older QSC Power amp fix. (Random Muting)

    Just thought I would pass this along. Applies to the 1100, 1200, 1400, 1700 older QSC amps that may randomly mute for a few second to a minute.Had a 1200 that was driving me nuts as it took about a half hour to start doing it. Turns out that QSC uses an LED soldered in the middle of the pcb...