Five 30mm Inside Diameter Rubber Tube Damping Ring For Antique Triodes, Pentodes, #RR30
Slips right onto the glass bulb of your 'antique' triode or pentode preamp tubes. Some of you who have been having trouble with microphonic tubes have asked us for a larger ring like this so here it is. I measured 30mm inside diameter, 40.17mm outside diameter.
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- Default Title — 6.99 USD — In stock
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