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Displaying products 31 - 48 of 48 results
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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.
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 - matched pair
Siemens 6GW8 / ECL86 - matched pair
Price: $109.00
Siemens 6GW8 / ECL86 - matched pair
The 1965 Siemens 6GW8 / ECL86 tubes in this precision matched pair have gray plates with copper grid posts and halo getters. The red print on the glass has the RCA logo. The Munich factory codes are etched in the glass. Both tubes test as new.
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.
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.
Ken-Rad 1629 / VT-138 - magic eye tube
Ken-Rad 1629 / VT-138 - magic eye tube
Price: $44.00
Ken-Rad 1629 / VT-138 - magic eye tube
This Ken-Rad 1629 / VT-138 is a military spec eye tube for use as a tuning level indicator. It has a green phosphor element. Tubes tests as new / bright.
National Union 1629 / VT-138 - magic eye tube
National Union 1629 / VT-138 - magic eye tube
Price: $44.00
National Union 1629 / VT-138 - magic eye tube
This National Union 1629 / VT-138 is a military spec eye tube for use as a tuning level indicator. It has clear glass and a green phosphor element. The silver print on the base has the National Union logo. Tube tests as new / bright.
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 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.
Sylvania 1629 / VT-138 - magic eye tube
Sylvania 1629 / VT-138 - magic eye tube
Price: $44.00
Sylvania 1629 / VT-138 - magic eye tube
This Sylvania 1629 / VT-138 is a military spec eye tube for use as a tuning level indicator. It has clear glass and a green phosphor element. Tube tests as new / bright.
Sylvania 6U5 / 6G5 - magic eye tube
Sylvania 6U5 / 6G5 - magic eye tube
Price: $49.00
Sylvania 6U5 / 6G5 - magic eye tube
This Sylvania 6U5 magic eye tube tuning level indicator has a green phosphor element tests as new / bright. NOTE: the 6U5 can be used as a direct substitute for a 6G5.
Russian 6E1P / 6BR5 / EM80 - magic eye tube
Russian 6E1P / 6BR5 / EM80 - magic eye tube
Price: $10.00
Russian 6E1P / 6BR5 / EM80 - magic eye tube
This Russian 6E1P "magic eye" tube is used as a tuning level indicator. It is equivalent to the EM80 and 6BR5 tube types. The gold print on the glass has the Reflektor factory logo. Tube tests as new / very bright.
Siemens EM84 / 6FG6 - magic eye tube
Siemens EM84 / 6FG6 - magic eye tube
Price: $15.00
Siemens EM84 / 6FG6 - magic eye tube
This Siemens EM84 / 6FG6 "magic eye" tube is used as a tuning level indicator. The white print on the glass has the Siemens logo. Tube tests as new / very bright.
 RCA 6SJ7 - metal bottle
RCA 6SJ7 - metal bottle
Price: $14.00
RCA 6SJ7 - metal bottle
This 1968 RCA 6SJ7 tube has a metal bottle. The red print has the RCA logo. Tube 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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