Posted by Wayne Parham [ 67.66.230.51 ] on April 11, 2005 at 14:04:54:

In Reply to: tube amps and vibrations posted by Peter Swartz on April 11, 2005 at 13:48:17:

Some tubes are more microphonic than others. With power on and the speakers connected to the amp, tap on the tubes and see if they make a ringing sound in the speakers. That will help you decide how much affect you'll have from sound produced by your speakers.

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