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James Audio JS-6223HS Push-Pull Output Transformers - factory matched pair
James Audio JS-6223HS Push-Pull Output Transformers - factory matched pair
Price: $259.00
James Audio JS-6223HS Push-Pull Output Transformers - factory matched pair
This factory matched pair of 90mA, 20W James Audio JS-6223HS power output transformers is recommended for DIY push-pull tube amplifiers built for tube types that can run at 3.4K, such as 2A3, 6A3, 6A5G, 6B4G and 300B.
GE 7044 - premium matched pair
GE 7044 - matched pair
Price: $79.00
GE 7044 - matched pair
The GE 7044 tubes in this precisely matched pair have halo getters and gray plates with copper grid posts. The green print on the glass has the GE logo. Both tubes test as new and are matched for both current draw (mA) and Gm.
Amperex PQ 6DJ8 / ECC88 - premium matched pair
Amperex 6DJ8 / ECC88 - PQ label, matched pair
Price: $154.00
Amperex 6DJ8 / ECC88 - PQ label, matched pair
The Amperex PQ 6DJ8 / ECC88 tubes in this precisely matched pair were made in Holland (Heerlen factory code) and have dimpled disc getters with A-frame support. Both tubes test as new with low noise and are precisely matched for current draw (mA) and Gm.
Mazda 6V6GT - gray glass
Mazda 6V6GT - gray glass, matched pair
Price: $109.00
Mazda 6V6GT - gray glass, matched pair
The 1953 Mazda 6V6GT tubes in this precisely matched pair have gray glass and bottom getters. The white print on the glass has the Mazda logo and says "Made in France." Both tubes test as new.
National Union 6SL7GT - black glass, matched pair
National Union 6SL7GT - black glass, matched pair
Price: $109.00
National Union 6SL7GT - black glass, matched pair
The rare 1952 military spec National Union 6SL7GT tubes in this precisely matched pair have bottom D getters and black glass. The silver print on the base has the National Union logo and reads "JAN-CNU-6SL7GT." Both tubes test as new with low noise.
RCA 12AY7 / 6072 - matched pair
RCA 12AY7 / 6072 - matched pair
Price: $124.00
RCA 12AY7 / 6072 - matched pair
The 1966 RCA 6072 tubes in this precisely matched pair are 12AY7 tube types. They have gray plates and halo getters. The red print on the glass has the RCA logo and matched date codes (6609). Both tubes test as new with balanced sections and low noise.
RCA 6FQ7 / 6CG7 - side getter, matched pair
RCA 6FQ7 / 6CG7 - side getter, matched pair
Price: $109.00
RCA 6FQ7 / 6CG7 - side getter, matched pair
The 1965-67 RCA 6FQ7 / 6CG7 tubes in this precisely matched pair have gray plates, side getters, and clear tops. The red print on the glass has the RCA logo. Both tubes test as new with balanced sections.
Russian 6Π14Π-EB / 6P14P-EV / 6BQ5 - matched quad
Russian 6P14P-EV / 6Π14Π-EB / 6BQ5 - matched quad
Price: $129.00
Russian 6P14P-EV / 6Π14Π-EB / 6BQ5 - matched quad
The vintage Russian 6P14P-EV (6Π14Π-EB in Cyrillic script) tubes in this precisely matched quad are high-reliability EL84 / 6BQ5 type tubes. They have a higher maximum plate voltage and dissipation than standard 6BQ5 tubes. Tubes test as new.
Telefunken 12AT7 / ECC81 - matched pair
Telefunken 12AT7 / ECC81 - matched pair
Price: $164.00
Telefunken 12AT7 / ECC81 - matched pair
The 1960s Telefunken 12AT7 / ECC81 tubes in this precisely matched pair were selected by Tektronix for use in test equipment. They have gray plates, halo getters, and diamond imprints in the glass between the pins. Both tubes test as new with low noise.
Telefunken 12AX7 / ECC83 - smooth plates, matched pair
Telefunken 12AX7 / ECC83 - smooth plates, matched pair
Price: $269.00
Telefunken 12AX7 / ECC83 - smooth plates, matched pair
The 1960s Telefunken 12AX7 / ECC83 tubes in this precisely matched pair have smooth plates and the diamond imprint in the base. The white labels have the Telefunken logo. Both tubes test as new with balanced sections & phono grade noise levels.
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 6V6GTA - matched pair
Tung-Sol 6V6GTA - matched pair
Price: $84.00
Tung-Sol 6V6GTA - matched pair
The 1960s Tung-Sol 6V6GTA power tubes in this precisely matched pair have black plates and halo getters. The white print on the base has the Tung-Sol logo. Both tubes test as new and are matched for both current draw (mA) and Gm.
Amperex PQ 6922 / E88CC - gold pins
Amperex PQ 6922 / E88CC - gold pins, phono grade
Price: $119.00
Amperex PQ 6922 / E88CC - gold pins, phono grade
This 1961 Amperex 6922 / E88CC tube was made in USA (New York factory code) and has the PQ label, indicating that it was selected for special quality. It has gold pins and a large O getter. Tube tests as new with phono grade 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.
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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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