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ElectroHarmonix 6H30Pi - gold pins
ElectroHarmonix 6H30Pi - gold pins
Price: $33.00
ElectroHarmonix 6H30Pi - gold pins
The ElectroHarmonix 6H30Pi tube is a super linear, military spec dual triode tube made in Russia. It has the same internal construction as the Sovtek 6H30Pi, except the EH 6H30Pi has gold pins and has been selected for tighter tolerances and lower noise.
Visseaux 6K6GT - matched pair
Visseaux 6K6GT - matched pair
Price: $49.00
Visseaux 6K6GT - matched pair
The 1950s Visseaux 6K6GT tubes in this precisely matched pair have black plates, bottom getters, and engraved bases. The white print on the glass says "Made in France." Both tubes test as new.
RCA 71A triode - globe bottle, matched pair
RCA 71A triode - globe bottle, matched pair
Price: $159.00
RCA 71A triode - globe bottle, matched pair
The RCA 71A tubes in this precisely matched pair have silver plates and globe bottles with lots of chrome flashing. The engraved bases have the RCA Radiotron logo and read "171-A." Both tubes test as new.
Cunningham CX-380 - globe bottle, engaved base
Cunningham CX-380 - globe bottle, engaved base
Price: $119.00
Cunningham CX-380 - globe bottle, engaved base
This very rare Cunningham 380 rectifier tube has a large globe bottle and smooth black plates. The engraved base reads "Cunningham CX 380." Tube tests as new with balanced diode sections.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.

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