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RCA 6350 - gray plates, matched pair
RCA 6350 - gray plates, matched pair
Price: $49.00
RCA 6350 - gray plates, matched pair
The late 1960s RCA 6350 tubes in this precisely matched pair have gray plates and halo getters. The red label on the glass is missing. Both tubes test as new. They are matched for both current draw (mA) and transconductance (Gm).
GE 6AN8A - black plates, halo getter
GE 6AN8 / 6AN8A - black plates, halo getter
Price: $18.00
GE 6AN8 / 6AN8A - black plates, halo getter
This 1963 GE 6AN8A tube has black plates and a halo getter. The print on the glass has the white GE logo and "6GH8A" is etched in the glass. Tube tests as new with very low noise.
RCA 6AN8 / 6AN8A - gray plates, disc getter
RCA 6AN8 / 6AN8A - gray plates, disc getter
Price: $18.00
RCA 6AN8 / 6AN8A - gray plates, disc getter
This 1970s RCA 6AN8A tube has gray plates and a disc getter. The red print on the glass has the RCA logo. Tube tests as new with very low noise.
RCA 6AN8A - matched pair
RCA 6AN8A - matched pair
Price: $59.00
RCA 6AN8A - matched pair
The 1967 RCA 6GH8A tubes in this precisely matched pair have gray plates and halo getters. The red print on the glass has the RCA logo. Both tubes test as new with very low noise and are matched for both current draw (mA) and Gm.
Mazda ECL82 / 6BM8
Mazda ECL82 / 6BM8 - GE label
Price: $39.00
Mazda ECL82 / 6BM8 - GE label
This 1960s Mazda ECL82 / 6BM8 tube has gray plates with copper grid posts and a halo getter (OG-2 series). The white label has the GE logo and the Brussels factory code is etched in the glass. Tube tests as new.
Siemens 6BM8 / ECL82 - RCA labels, matched pair
Siemens 6BM8 / ECL82 - RCA labels, matched pair
Price: $97.00
Siemens 6BM8 / ECL82 - RCA labels, matched pair
The 1960s Siemens 6BM8 / ECL82 tubes in this precision matched pair have gray plates with copper grid posts and halo getters (OG7 series). The red label has the RCA logo and the Munich factory codes are etched in the glass. Both tubes test as new.
GE 6C4 - gray plate
GE 6C4 - gray plate
Price: $10.00
GE 6C4 - gray plate
This 1970s GE 6C4 tube has a gray plate and halo getter. The white print on the glass has the GE logo. This tube tests as new with low noise.
GE 6C4 - matched pairs
GE 6C4 - matched pairs
Price: $22.00
GE 6C4 - matched pairs
These 1970s GE 6C4 tubes have gray plates and halo getters. The white print on the glass has the GE logo. Both tubes test as new with low noise.
GE 6T9 - triode-pentode
GE 6T9 - triode-pentode
Price: $19.00
GE 6T9 - triode-pentode
This 1964 GE 6T9 tube has gray plates and a side getter. The red label has the GE logo. Tube tests as new.
GE 6EU7 - gray plates, halo getter
GE 6EU7 - gray plates, halo getter
Price: $32.00
GE 6EU7 - gray plates, halo getter
This 1960s GE 6EU7 tube has short gray plates and a halo getter. The white print on the glass has the GE logo. Tube tests as new with very low noise and ships in its original box.
GE 6EU7 - matched pair
GE 6EU7 - short plates, matched pair
Price: $74.00
GE 6EU7 - short plates, matched pair
The 1962 GE 6EU7 tubes in this precisely matched pair have short gray plates and halo getters. The red print on the glass has the GE logo. Both tubes test as new with low noise.
Mullard 6EU7 - gray plates, halo getter
Mullard 6EU7 - gray plates, halo getter
Price: $44.00
Mullard 6EU7 - gray plates, halo getter
This 1960s Mullard 6EU7 tube has short gray plates and a halo getter. The print on the glass is labaled for other companies (GE, Magnavox, Bogen, etc.) and the Blackburn, UK, factory code is etched in the glass. Tube tests as new with very low noise.
Mullard 6EU7 - matched pair
Mullard 6EU7 - matched pair
Price: $84.00
Mullard 6EU7 - matched pair
The 1964 Mullard 6EU7 tubes in this precisely matched pair have short gray plates with copper grid posts and halo getters. The red label has the 3M logo and the Blackburn, UK factory code is etched in the glass. Both tubes test as new with low noise.
Raytheon 6EU7 - gray plates, halo getter
Raytheon 6EU7 - gray plates, halo getter
Price: $37.00
Raytheon 6EU7 - gray plates, halo getter
This 1960s Raytheon 6EU7 tube has short gray plates with copper grid posts and a halo getter. The yellow print on the glass has the Raytheon logo. Tube tests as new with very low noise.
Raytheon 6EU7 - matched pair
Raytheon 6EU7 - matched pair
Price: $84.00
Raytheon 6EU7 - matched pair
The 1963 Raytheon 6EU7 tubes in this precisely matched pair have short gray plates with copper grid posts and halo getters. The yellow print on the glass has the Raytheon logo. Both tubes test as new with low noise.
Amperex 6GW8 / ECL86 - matched pair
Amperex 6GW8 / ECL86 - matched pair
Price: $92.00
Amperex 6GW8 / ECL86 - matched pair
The 1965 Amperex 6GW8 / ECL86 tubes in this precisely matched pair have gray plates and halo getters. The red labels have the Hammond logo (partial). The Heerlen, Holland factory codes are etched in the glass. Both tubes test as new.
Mullard 6GW8 / ECL86 - matched pair
Mullard 6GW8 / ECL86 - matched pair
Price: $97.00
Mullard 6GW8 / ECL86 - matched pair
The 1960s Mullard 6GW8 / ECL86 tubes in this precision matched pair have gray plates with copper grid posts and halo getters. The white print on the glass has the GE logo. The Blackburn, UK factory codes are etched in the glass. Both tubes test as new.
Mullard 6GW8 / ECL86 - various labels
Mullard 6GW8 / ECL86 - various labels
Price: $49.00
Mullard 6GW8 / ECL86 - various labels
This 1960 Mullard 6GW8 / ECL86 tube has gray plates with copper grid posts and a halo getter. The white print on the glass has the GE logo. The Blackburn, UK factory code is etched in the glass. Tube tests as new with low noise.
Siemens 6GW8 / ECL86 - various labels
Siemens 6GW8 / ECL86 - various labels
Price: $49.00
Siemens 6GW8 / ECL86 - various labels
This 1960s Siemens 6GW8 / ECL86 tube jas gray plates with copper grid posts and a halo getter. The white print on the glass reads "Made in Germany" and is labeled for other companies. The Munich, West Germany factory code is etched in the glass.
Valvo 6HU8 / ELL80 - Mullard label
Valvo 6HU8 / ELL80 - various labels
Price: $69.00
Valvo 6HU8 / ELL80 - various labels
This late 1960s Valvo 6HU8 / ELL80 tube has gray plates with copper grid posts and halo getters. The print on the glass is labeled for various companies (Mullard, RCA) and the Munich, West Germany factory code is etched in the glass. Tube tests as new.
RCA 6J5GT - black plate, metal collar base
RCA 6J5GT - gray plate, metal collar base
Price: $32.00
RCA 6J5GT - gray plate, metal collar base
This 1950s RCA 6J5GT tube has a gray plate and a bottom getter. The metal collar base has red print with the RCA logo. Tube tests as new with low noise.
Silvertone 6J5GT/G - black plate, triple mica
Silvertone 6J5GT/G - black plate, triple mica
Price: $34.00
Silvertone 6J5GT/G - black plate, triple mica
This 1944 Silvertone 6J5GT/G tube has a black plate and triple mica. The white print on the base has the Super Silvertone logo. Tube tests as new with low noise.
Sylvania 6J5GT/G - black plates, metal collar base
Sylvania 6J5GT/G - black plate, metal collar base
Price: From $14.00 to $32.00
Sylvania 6J5GT/G - black plate, metal collar base
This 1940s Sylvania 6J5GT/G tube has round black plates and a bottom getter with lots of flashing. The metal collar base has green or black print with the Sylvania lightning logo. Click "more info" for current availability.
Visseaux 6K6GT - black plates
Visseaux 6K6GT - black plates
Price: $24.00
Visseaux 6K6GT - black plates
This 1950s Visseaux 6K6GT tube has black plates, a bottom getter, and an engraved bases. The white print on the glass says "Made in France." These Visseaux 6K6GTs are considered some of the best-sounding 6K6 tubes ever made. Tube tests as new.
Visseaux 6K6GT - matched pair
Visseaux 6K6GT - matched pair
Price: $49.00
Visseaux 6K6GT - matched pair
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.
Philips EZ80 / 6V4 - Amperex label
Philips EZ80 / 6V4 - Amperex label
Price: $39.00
Philips EZ80 / 6V4 - Amperex label
This 1968 Philips EZ80 / 6V4 rectifier tube was made in France for Amperex. It has a gray plates and a halo getter (kC5 series). The orange print on the glass has the Amperex globe logo and says "made in France." Tube tests as new.
Raytheon 6E5 - magic eye tube
Raytheon 6E5 - magic eye tube
Price: $49.00
Raytheon 6E5 - magic eye tube
This 1957 Raytheon 6E5 magic eye tube tuning level indicator has a green phosphor element. The yellow print on the base has the Raytheon logo. Tube tests as new / very bright.
RCA 1629 / VT-138 - magic eye tube
RCA 1629 / VT-138 - magic eye tube
Price: $37.00
RCA 1629 / VT-138 - magic eye tube
This RCA 1629 / VT-138 is a military spec eye tube for use as a tuning level indicator. It has a green phosphor element. Tube tests as new / bright.
RCA 6E5 - magic eye tube
RCA 6E5 - magic eye tube
Price: $49.00
RCA 6E5 - magic eye tube
This 1960 RCA 6E5 magic eye tube tuning level indicator has a green phosphor element. The red print on the base has the RCA logo. Tube tests as new / very bright.
Amperex EM80 / 6BR5 - magic eye tube
Amperex EM80 / 6BR5 - magic eye tube
Price: $24.00
Amperex EM80 / 6BR5 - magic eye tube
This Amperex EM80 / 6BR5 "magic eye" tube is used as a tuning level indicator. The white print on the glass has the Amperex logo. Tube tests as new / very bright.
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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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