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Tung-Sol 12AY7 - gray plates
Tung-Sol 12AY7 - gray plates
Price: $69.00
Tung-Sol 12AY7 - gray plates
This unusual 1961 military spec Tung-Sol 12AY7 tube has short gray plates and a halo getter. The white print on the glass has the Tung-Sol logo and reads "JAN-12AY7." Tube tests as new with balanced sections and very low noise.
Tung-Sol JAN 6SL7WGT - ribbed gray plates, brown base
Tung-Sol JAN 6SL7WGT - ribbed gray plates, brown base
Price: $49.00
Tung-Sol JAN 6SL7WGT - ribbed gray plates, brown base
This 1961 military spec Tung-Sol 6SL7WGT tube has ribbed gray plates and a halo getter. The brown base has silver print with the Tung-Sol logo and reads "JAN-CTL-6SL7WGT." Tube tests as new with low noise.
Westinghouse 6V6GTA - 7591 style plates
Westinghouse 6V6GTA - 7591 style plates
Price: $39.00
Westinghouse 6V6GTA - 7591 style plates
This rare 1960s Westinghouse 6V6GTA tube has heavy duty 7591 style plates with copper grid posts and a horseshoe getter. The yellow print on the base has the Westinghouse logo. Tube tests as new with low noise.
Sylvania 7025 / 12AX7 - long gray plates, phono grade
Sylvania 7025 / 12AX7 - long gray plates, phono grade
Price: $77.00
Sylvania 7025 / 12AX7 - long gray plates, phono grade
This 1960s Sylvania STR 7025 is a low noise 12AX7 tube type. It has long gray plates with copper grid posts and a halo getter. The yellow label has the Sylvania logo and reads "STR-395." Tube tests as new with high gain and phono grade / V1 noise levels.
Raytheon 5Y3WGTB / 6087 - black plates
Raytheon 5Y3WGTB / 6087 - black plates
Price: $44.00
Raytheon 5Y3WGTB / 6087 - black plates
This 1960s military spec Raytheon 6087 / 5Y3WGTB is a ruggedized, indirectly heated 5Y3 tube type. It has black plates, D getter, and a brown base. The yellow print on the glass has the Raytheon logo. Tube tests as new.
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.
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.
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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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