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Tube Services
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Detailed photos of tubes and parts
- Secure payment options
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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
- Read what our customers are saying
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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 Svetlana / SED 6550C tubes in this matched octet (8) were made in St. Petersburg, Russia in 2008. The etched print on the glass has the Svetlana logo and OTK factory mark. All eight tubes are matched for current draw (47.0 mA) and Gm (6400 = 100%).
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This 1957 RCA 12AX7 tube has long black plates and a slanted D getter. The white print on the glass has the RCA logo. Tube tests as new with phono / V1 grade noise levels.
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The 1973 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.
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The 1950s RCA 6SL7GT tubes in this precisely matched pair have gray glass and bottom getters. The silver print on their bases has the RCA logo. Both tubes test as new with low noise. They are matched for both current draw (mA) and Gm.
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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 1965 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.
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This 1957 RCA 5V4G rectifier tube has an ST bottle, black plates, and a bottom D getter. The silver print on the base has the RCA logo. Tube tests as new and ships in its original box.
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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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