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Tube Services
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Detailed photos of tubes and parts
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Fast, convenient shipping around the world
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Vintage US and Euro tubes, including guitar tubes and rare triodes
- Find out when your Telefunken tube was made: Telefunken tube date codes
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Repair services
- Vintage audio repair services in Twin Cities Metro area, specializing in tube audio and turntables. Our shop is available by appointment. Contact us.
- Authorized Ortofon, Grado, and Cardas dealer.
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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.
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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%).
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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.
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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.
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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.
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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.
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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.
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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.
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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).
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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.
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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.”
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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.
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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.
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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.
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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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