The JJ ECC83S / 12AX7 Preamp Vacuum Tubes provide harmonically rich sound with low noise and microphonics. With its balanced midrange, it brings exceptional clarity and warmth to any amplifier, allowing for a detailed low end and warm high end. Upgrade your sound with this high gain pre-amplifying double triode.

All Ruby Tubes are pre-sorted, tested, and burned in. You can count on these for quality assurance!

6 month warranty on all tubes.

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4
X

Posted by Darryl Christensen on 2025 Jun 27th

Works great
5
Sounds Great

Posted by STEPHEN on 2025 Apr 16th

Slapped these in my Victory V40 and they sound as good as the originals.