onapthanh Posted July 13, 2018 Share Posted July 13, 2018 The technicians advised me to check the power supply of this amplifier AA 151 because normally the phenomenon when the volume is at the smallest level is still buzzing because of the source of fault: the source filter is poor, the lights are corrected ... If the circuit Good source but still buzz continue to check the capacity ...This is a very nice amplifier so I like to use it. And the test guide is correct? Quote Link to comment Share on other sites More sharing options...
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