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Old 07-18-2021, 04:41 PM
Bombadil Bombadil is offline
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While I've experienced audible issues with highly microphonic tubes, for the most part they have been fine. Taping on a tube or the preamp and hearing it through your speakers does not mean that music will be affected. The impact of a pencil or finger tapping on a tube or chassis is many times greater than the vibration from sound waves out of your speaker.
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