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A microphonc tube acts as a microphone. It picks up and transmits ....

... noise, like the tapping. Tubes can also be noisy without being microphonic. Some swapping around should tell you if it is the tubes or something else. I've had noise that sounded like noisy tubes when the tube was not securily seated in the tube socket with good pin contact all around.


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  • A microphonc tube acts as a microphone. It picks up and transmits .... - PureAudio 10:00:45 02/14/07 (0)


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