Complete Set of 4 long life NOS Chinese military spec 6P6P (4) - Matched Quad direct drop in Upgrade for stock Chinese 6P6P amplifiers
Individual Upgrade replacement tubes also available - 6P6P
*Always check for the correct vacuum tube in your Manufacturer’s User Manual. For the reason that fitting the wrong tubes can be dangerous, can damage your amplifier and can invalidate your 30-Day Warranty
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