Quote:
Originally Posted by Electronic M
One thread collects info on the project better.
What you may have is a microphonic tube. Any vibration from the motor, the mech, flicking the tube etc. is being converted in to a signal voltage by the tube and passed on to the other amp tubes.
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Is there a way to test for that beyond swapping in new tubes?
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To keep your tubes running smoothly, make sure to dust underneath the glass as well.
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