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What’s new
- TUBE REFERENCE
Find out when your Telefunken tube was made: Telefunken tube date codes
- Vintage audio repair services in Twin Cities Metro area, including turn table set-up and site visits. Call for appointment.
- 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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This vintage Svetlana "Winged C" 6H13C dual triode power tube is a Russian 6AS7G tube type popular in OTL and headphone amplifiers. It has black plates and dual bottom getters with lots of flashing. Tube tests as new with very low noise.
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This 1960s GE 5687WB is a military spec 5687 tube. It has black plates with copper grid posts and a halo getter. The white print has the GE logo with the broadcast quality 5-star label. Tube tests as new with balanced sections and low noise
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This 1962 military spec Bendix 5R4WGB tube has black plates, dual side getters, and rugged ceramic base. The red print on the glass has the Bendix logo and reads "JAN-CEA-5R4WGB Made in USA." Tube tests as new.
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This very rare 1959 Mullard 12AX7 / ECC83 tube has long plates with copper grid posts and a dual post round getter (f92 series). The white label has the early shield logo and the Blackburn factory code is etched in the glass. Tube tests as new.
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This 1966 Mullard GZ34 / 5AR4 full-wave rectifier tube has plates with 7 notches and a hole in the centering pin (f32 series). The white label has the Mullard shield logo with BVA military insignia. Tube tests as new with balanced diode sections.
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The 1954 RCA 6V6GT tubes in this precisely matched pair have gray glass and bottom D getters. Their black bases have silver print with the RCA logo. Both tubes test as new and are matched for both current draw (mA) and Gm.
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The 1960s RCA 6V6GTA tubes in this precisely matched quad have gray plates, bottom D getters, and clear glass. The red print on the bases has the RCA logo. All four tubes test as new for both current draw (mA) and transconductance (Gm).
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The 1962 Sylvania 6BQ5 / EL84 tubes in this precisely matched quad have black plates and halo getters. The green label has the Baldwin Organs logo. These tubes test as new and are matched for both current draw (50.0-52.4 mA) and transconductance (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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The 1950s Visseaux 6K6GT tubes in this precisely matched pair have black plates, bottom getters, and engraved bases. The white print on the glass says "Made in France." Both tubes test as new.
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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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