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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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The GE 6L6GC power tubes in this precisely matched pair have short bottles, dual side getters, and black bases. The white print has the GE logo and 188-5 factory code (Owensboro, Ky). Tubes test as new and are matched for current draw (mA) and Gm.
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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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Price: $52.00
Sale Price: $41.60
These new production Genalex Gold Lion KT66 power tubes can be run in any amp that uses 6L6 or 5881 type tubes. They are a faithful reproduction of the tubes used in Clapton's Bluesbreaker amp and popular Heathkit and Leak hi-fi amps from the 1960s.
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The 1970s Sylvania 6550 power tubes in this matched pair have welded gray plates, 3 getters, and metal collar bases. The blue or green print on the glass has the PhilipsECG. Click "more info" for test restuls.
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The Sylvania 6L6GC power tubes in this precisely matched quad are the highly sought after "STR 387" type. They have tall bottles and dual disc getters. Tubes test as new and are matched for both current draw (62.4–63.4 mA) and Gm (103%-107%).
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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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The 1962 Tung-Sol 6550 power tubes in this precisely matched pair have welded gray plates with no holes, 3 getters, metal collar bases, and the distinctive coke bottle shape. Click "more info" for details
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This 1950s military spec RCA 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, and a top getter. The silver print on the base has the RCA logo and reads "JAN CRC-5U4G." Tube tests as new with balanced diode sections.
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The early 1950s CBS 6SN7GTB tubes in this precisely matched pair have early black plates and bottom getters. The red print on the bases has the CBS logo. Both tubes test new with low noise.
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This rare 1950 Cunningham 5Y3GT rectifier tube has smooth black plates and bottom D getters. The silver print on the glass has the Cunningham logo. Tube tests as new.
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This rare 1955 Mullard EF86 / 6267 tube has mesh plates and a D getter. The white label has the Mullard shield logo and "Made in Gt. Britain" is printed along the bottom. The Blackburn, UK factory code is etched in the glass. Tube tests as new.
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This rare 1952 "fat base" Mullard GZ34 / 5AR4 rectifier tube was made in Great Britain. It has gray plates and dual halo getters (f31 series). The white print on the glass is has the Philips logo and the Blackburn, UK factory code is etched in the glass.
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This early 1960s Philips Miniwatt 12AX7 / ECC83 tube has gray plates and halo getter. The white label has the Miniwatt logo and the Heerlen, Holland factory code is etched in the glass. Tube tests as new with phono/V1 grade noise levels.
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This 1951 Raytheon 6SN7GT has shiny black plates with copper grid posts and support rods. The yellow print on the base has the Raytheon logo and reads "JAN-CRP-6SN7WGT." Tube tests as new with balanced sections and very low noise.
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The 1960s RCA 12AT7 tubes in this precisely matched pair have gray wing plates and halo getters. The red labels have the RCA logo. Both tubes test as new with very low noise.
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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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