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Featured items

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GE JAN 6080 - black plates
GE JAN 6080 - black plates
Price: $39.00
GE JAN 6080 - black plates
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.
Svetlana SED
Svetlana SED "Winged C" 6550C - matched octet
Price: $929.00
Svetlana SED "Winged C" 6550C - matched octet
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%).
Chelmer Valve 6SL7GT / ECC35 - black plates, matched pair
Chelmer Valve 6SL7GT / ECC35 - black plates, matched pair
Price: $169.00
Chelmer Valve 6SL7GT / ECC35  - black plates, matched pair
The early 1950s Chelmer Valve ECC35 / 6SL7GT tubes in this precisely matched pair have round black plates and bottom getters. The white print on the glass has the Chelmer Valve logo. Both tubes test as new with balanced sections and very low noise.
Mullard 12AU7 / ECC82 - long plates, k61 series
Mullard 12AU7 / ECC82 - long plates, k61 series
Price: $139.00
Mullard 12AU7 / ECC82 - long plates, k61 series
This rare 1958 Mullard 12AU7 / ECC82 has long plates and a dual post square getter (k61 series). It has the early Mullard shield logo and the Blackburn, UK factory code is etched in the glass. Tube tests as new with balanced sections and very low noise.
Philips Miniwatt 12AU7 / ECC82
Philips Miniwatt 12AU7 / ECC82
Price: $69.00
Philips Miniwatt 12AU7 / ECC82
This 1960s Philips Miniwatt 12AU7 / ECC82 tube has gray plates and a halo getter. They white print has the Philips Miniwatt logo and the Heerlen Holland factory code is etched in the glass. Tube tests as new with with balanced sections and very low noise.
RCA 6L6G - gray glass, matched pair
RCA 6L6G - gray glass, matched pair 1
Price: $149.00
RCA 6L6G - gray glass, matched pair 1
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).
RCA 6V6GTA - dual O getters, matched pair
RCA 6V6GTA - dual O getters, matched pair
Price: $109.00
RCA 6V6GTA - dual O getters, matched pair
The late-1960s RCA 6V6GTA tubes in this precisely matched pair have gray plates and dual O getters. The red print on the bases or glass has the RCA logo (may be partial/missing). Both tubes test as new and are matched for both current draw (mA) and Gm.
Telefunken 6DJ8 / ECC88 - diamond imprint
Telefunken 6DJ8 / ECC88 - diamond imprint
Price: $119.00
Telefunken 6DJ8 / ECC88 - diamond imprint
This 1962 Telefunken 6DJ8 / ECC88 tube was made in Berlin, West Germany. The white label has the Telefunken logo and the diamond imprint is in the glass between the pins. Tube tests as new with balanced sections and phono grade noise levels.
Telefunken EF86 - silver plate
Telefunken EF86 - silver plate
Price: $189.00
Telefunken EF86 - silver plate
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.
Tung-Sol 6SN7GT - gray glass
Tung-Sol 6SN7GT - gray glass
Price: $149.00
Tung-Sol 6SN7GT - gray glass
This rare 1956 Tung-Sol 6SN7GT tube has gray glass with bottom getters. The white print on the base has the Tung-Sol logo. Tube tests as new with balanced sections.
Valvo 12AT7 / ECC81 - matched pair
Valvo 12AT7 / ECC81 - matched pair
Price: $169.00
Valvo 12AT7 / ECC81 - matched pair
The 1963 Valvo ECC81 / 12AT7 tubes in this precisely matched pair have gray wing plates and halo getters. The white print on the glass has the Valvo logo and the Hamburg, Germany factory codes are etched in the glass. Both test as new with very low noise.
Mullard 7025 / 12AX7 / ECC83
Mullard 7025 / 12AX7 / ECC83 - phono grade
Price: $149.00
Mullard 7025 / 12AX7 / ECC83 - phono grade
This 1961 Mullard 7025 is a low noise 12AX7 / ECC83 tube type. It has short plates with copper grid posts and a halo getter (I61 series). The white label has the Webcor logo. Tube tests as new with high and phono grade noise levels.
Philips SQ 7308 / E188CC - gold pins, phono grade
Philips SQ 7308 / E188CC - gold pins, phono grade
Price: $199.00
Philips SQ 7308 / E188CC - gold pins, phono grade
This very rare 1969 Philips E188CC / 7308 tube is a premium 6DJ8 type tube (VR0 series). It has a large D getter and gold pins. The SQ label indicates selection for special quality. Tube tests as new with phono grade sound quality.
Golden Dragon 6DJ8 / ECC88
Golden Dragon 6DJ8 / ECC88 - matched pair
Price: $97.00
Golden Dragon 6DJ8 / ECC88 - matched pair
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.
Sovtek 6922 / E88CC - dish getter, matched pair
Sovtek 6922 / E88CC - dish getter, matched pair
Price: $44.00
Sovtek 6922 / E88CC - dish getter, matched pair
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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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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