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thwat

  1. markkb

    9090 DC spikes on outputs and speakers solved

    I was getting occasional zap-thwat-switht-zpfft sounds from my right channel audible through my speakers. It eventually got to be too frequent to ignore, and I pulled the 9090 out. I checked the bias and DC offset, during the DC offset check I observed the current spiked up on the voltmeter...
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