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turn on pop

  1. What could cause amplified turn-on pop

    Equipment Repair and Modification
    It's my friend's amp, it's a PPI PC21400, the chrome version, and it has a mean turn-on pop. It has been confirmed to be the amp because it has been tested in multiple vehicles and on the test bench, (the test bench power supply won't even run the amp because it turns off the second you flip the...