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Featured items

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GE JAN 6080 - black plates
GE JAN 6080 - black plates
Price: $39.00
GE JAN 6080 - black plates
This GE 6080 dual triode power tube is a ruggedized 6AS7G tube type. It has black plates, top getters, and a metal collar base. The green print on the glass reads "GE JAN-6080WC." Tube tests as new with low noise.
Tung-Sol 6550 - black plates, matched pair
Tung-Sol 6550 - black plates, matched pair
Price: $299.00
Tung-Sol 6550 - black plates, matched pair
The rare 1958-59 Tung-Sol 6550 power tubes in this matched pair have welded black plates with no holes, metal collar bases (some corrosion). One tube has a repaired guide pin. They are matched for both current draw (49.4 & 47.8 mA) and Gm (96% & 93%).
Amperex Bugle Boy GZ34 / 5AR4 - brown base
Amperex Bugle Boy GZ34 / 5AR4 - brown base
Price: $197.00
Amperex Bugle Boy GZ34 / 5AR4 - brown base
This 1960 Amperex GZ34 / 5AR4 full-wave rectifier tube has gray plates and dual D getters (f33 series). The white print on the glass has the Bugle Boy logo and says "Made in Holland." The Sittard factory code is etched in the glass.
CBS 5814A - early black plates, matched pair
CBS 5814A - early black plates, matched pair
Price: $109.00
CBS 5814A - early black plates, matched pair
The rare 1950s CBS 5814A tubes in this precisely matched pair have early black plates with copper grid posts and D getters. The blue print on the glass has the CBS logo and matching date codes (613). Both tubes test as new with low noise.
Chelmer Valve 6SL7GT / ECC35 - black plates, matched pair
Chelmer Valve 6SL7GT / ECC35 - black plates, matched pair
Price: $169.00
Chelmer Valve 6SL7GT / ECC35  - black plates, matched pair
The early 1950s Chelmer Valve ECC35 / 6SL7GT tubes in this precisely matched pair have round black plates and bottom getters. The white print on the glass has the Chelmer Valve logo. Both tubes test as new with balanced sections and very low noise.
Mullard 12AU7 / ECC82 - long plates, k61 series
Mullard 12AU7 / ECC82 - long plates, k61 series
Price: $139.00
Mullard 12AU7 / ECC82 - long plates, k61 series
This rare 1958 Mullard 12AU7 / ECC82 has long plates and a dual post getter (k61 series). It has the early Mullard shield logo and the Blackburn, UK factory code is etched in the glass. Tube tests as new with balanced sections and very low noise.
Philips EF86 - mesh plates, matched pair
Philips EF86 - mesh plates, matched pair
Price: $159.00
Philips EF86 - mesh plates, matched pair
The 1968 Philips EF86 tubes in this precisely matched pair have mesh plates and halo getters (8Y6 series). The white labels have the Philips logo and the Brussels factory codes are etched in the glass. Both tubes test as new with very low noise.
Philips Miniwatt 12AU7 / ECC82
Philips Miniwatt 12AU7 / ECC82
Price: $69.00
Philips Miniwatt 12AU7 / ECC82
This 1960s Philips Miniwatt 12AU7 / ECC82 tube has gray plates and a halo getter. They white print has the Philips Miniwatt logo and the Heerlen Holland factory code is etched in the glass. Tube tests as new with with balanced sections and very low noise.
RCA 6L6G - gray glass, matched pair
RCA 6L6G - gray glass, matched pair 1
Price: $189.00
RCA 6L6G - gray glass, matched pair 1
The 1953 RCA 6L6GC power tubes in this matched pair have have large "coke bottle" envelopes with gray glass and bottom getters. They are matched for current draw (54.8 & 58.4 mA) transconductance (5000 & 5400 Gm).
RCA 6V6GTA - dual O getters, matched pair
RCA 6V6GTA - dual O getters, matched pair
Price: $109.00
RCA 6V6GTA - dual O getters, matched pair
The late-1960s RCA 6V6GTA tubes in this precisely matched pair have gray plates and dual O getters. The red print on the bases or glass has the RCA logo (may be partial/missing). Both tubes test as new and are matched for both current draw (mA) and Gm.
Telefunken 12AX7 / ECC83 - smooth plates, red tip, phono grade
Telefunken 12AX7 / ECC83 - smooth plates, red tip, phono grade
Price: $169.00
Telefunken 12AX7 / ECC83 - smooth plates, red tip, phono grade
This 1960s Telefunken ECC83 / 12AX7 has smooth gray plates. The white print on the glass has the Telefunken logo and the diamond imprint on the base. This tube has a red tip and tape that reads “SELECTED TUBE.”
Telefunken EF86 - silver plate
Telefunken EF86 - silver plate
Price: $189.00
Telefunken EF86 - silver plate
This 1972 Telefunken EF86 tube has silver plates and a halo getter. The base has the diamond imprint in the glass. Tube tests as new with very low noise.
Tung-Sol 6SN7GT - gray glass
Tung-Sol 6SN7GT - gray glass
Price: $149.00
Tung-Sol 6SN7GT - gray glass
This rare 1956 Tung-Sol 6SN7GT tube has gray glass with bottom getters. The white print on the base has the Tung-Sol logo. Tube tests as new with balanced sections.
Siemens E88CC / 6922 - gold pins, matched pair
6DJ8 / E88CC Siemens - premium matched pair, gold pins
Price: $349.00
6DJ8 / E88CC Siemens - premium matched pair, gold pins
The Siemens E88CC tubes in this matched pair are special quality 6922 / 6DJ8 tubes, similar to the famous CCa type. This version has creased glass, an A-frame disc getter, and gold pins. Both tubes test as new with phono grade noise quality.
Philips SQ 7308 / E188CC - gold pins, phono grade
Philips SQ 7308 / E188CC - gold pins, phono grade
Price: $199.00
Philips SQ 7308 / E188CC - gold pins, phono grade
This very rare 1969 Philips E188CC / 7308 tube is a premium 6DJ8 type tube (VR0 series). It has a large D getter and gold pins. The SQ label indicates selection for special quality. Tube tests as new with phono grade sound quality.
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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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