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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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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 Sylvania 2A3 tubes in this precisely matched pair have black plates and bottom getters. The green print on the bases has the early Sylvania leaf logo. Both tubes test as new and are matched for current draw (60.0 & 60.8 mA) & Gm (5400 & 5600).
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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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