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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
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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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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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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 195ó military spec GE 5751 tube is a lower gain 12AX7 equivalent. It has black plates with extra support rods and triple micas. The white print on the glass has the GE logo and reads "JG-5751." Tube tests as new with very low noise.
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The early 1990s Golden Dragon 6DJ8 / 6922 tubes in this precisely matched pair were developed for use in high-end tube gear such as Audio Research, Mcintosh, Audio Note, etc. Both tubes test as new with phono grade sound quality.
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The Sovtek 6922 / E88CC tubes in this precisely matched pair have dish getters with two support posts. The black print on the glass has the Sovtek logo and says "Made in Russia" with late 1998-2001 date codes. Both tubes tests as new with low noise.
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The 1940s military spec Hytron 10Y tubes in this precisely matched pair have black plates and bottom getters. The black print on the brown bases reads "JAN-10Y VT-25." Both tubes test as new and are matched for both current draw & Gm.
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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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This very rare Cunningham 380 rectifier tube has a large globe bottle and smooth black plates. The engraved base reads "Cunningham CX 380." Tube tests as new with balanced diode sections.
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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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