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6SN7 / 5692 tubes

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CBS JAN-CHY 5692  - brown base
CBS JAN-CHY 5692 - brown base
Price: $32.00
CBS JAN-CHY 5692  - brown base
This 1960 CBS 5692 tube is a military spec 6SN7 tube. It has a short bottle, dual top getters, and shiny black plates. This tube's triple mica and 11 support rods contribute to its long life and low noise. Tube tests good with low noise.
GE 5692 - brown base
GE 5692 - brown base
Price: $84.00
GE 5692 - brown base
This 1960 GE 5692 tube is a premium quality 6SN7 tube. It has a short bottle, dual top getters, and black plates. This tube's triple mica and 11 support rods contribute to its long life and low noise. Tube tests as new with balanced sections and low noise
Sylvania 5692 / 6SN7GTB - GE label
Sylvania 5692 / 6SN7GTB - GE label
Price: $44.00
Sylvania 5692 / 6SN7GTB - GE label
This Sylvania 5692 tube is a low noise, long-lived 6SN7 type tube (its construction resembles a Sylvania 6SN7GTB more than the older 5692s made by RCA and CBS). The white print on the glass has the GE logo. Tube tests as new with balanced sections.
GE 6SN7GTB - matched pair
GE 6SN7GTB - gray plates, matched pair
Price: $74.00
GE 6SN7GTB - gray plates, matched pair
The early 1960s GE 6SN7GTB tubes in this precisely matched pair have medium bottles, parallel gray plates, and side getters. The black bases have white or red print with the GE logo. Click "more info" for current availability.
GE 6SN7GTB - matched quad
GE 6SN7GTB - matched quad
Price: $178.00
GE 6SN7GTB - matched quad
The 1960s GE 6SN7GTB tubes in this precisely matched quad have short bottles, gray plates, and side O getters. The white print on the glass has the GE logo (partial/missing). All 4 tubes test as new with balanced sections and low noise.
Sylvania 6SN7WGT - early black plates, chrome dome
National Union 6SN7WGT - early black plates, chrome dome
Price: $64.00
National Union 6SN7WGT - early black plates, chrome dome
This 1953 military spec National Union 6SN7WGT has a short bottle, early black plates with 3 rivets and an extra support rod, and a nice chrome dome. The black print on the brown base has the National Union logo. Tube tests as new with very low noise.
Sylvania 6SN7GTB - matched pair, tall bottle
Philco 6SN7GTB - tall bottle, matched pair
Price: $97.00
Philco 6SN7GTB - tall bottle, matched pair
The 1956-57 Philco 6SN7GTB tubes in this precisely matched pair have tall bottles, black plates, and lots of chrome flashing. The red print on the black bases has the Philco logo. Both tubes test as new with balanced sections and very low noise.
Raytheon 6SN7GTB - black plates
Raytheon 6SN7GTB - black plates
Price: $34.00
Raytheon 6SN7GTB - black plates
This 1950s Raytheon 6SN7GTB has black plates and a halo getter with copper support post. The black base has yellow print with the Raytheon logo. Tube tests as new with balanced sections.
Raytheon 6SN7GTB - gray plates
Raytheon 6SN7GTB - gray plates
Price: $29.00
Raytheon 6SN7GTB - gray plates
This 1960s Raytheon 6SN7GTB tube was made in the USA. It has a halo getter and gray plates with copper grid posts. The black base has yellow print with the Raytheon logo. Tube tests as new.
Raytheon 6SN7GTB - matched pair
Raytheon 6SN7GTB - matched pair
Price: $69.00
Raytheon 6SN7GTB - matched pair
The 1960s RCA 6SN7GTB tubes in this precisely matched pair have medium bottles, staggered black plates, and bottom D getters. The black bases have silver or red print with the RCA logo. Both tubes test as new with balanced sections and low noise.
RCA 6SN7GT - gray glass
RCA 6SN7GT - gray glass
Price: $64.00
RCA 6SN7GT - gray glass
This early 1950s RCA 6SN7GT has a medium bottle with gray glass, staggered black plates, and a bottom getter. The silver print on the base has the RCA logo. Tube tests as new with balanced sections.
RCA 6SN7GT - gray glass, matched pair
RCA 6SN7GT - gray glass, matched pair
Price: $184.00
RCA 6SN7GT - gray glass, matched pair
The 1957 RCA 6SN7GT tubes in this precisely matched pair have gray glass and staggered black plates. The silver print on the bases has the RCA logo. Both tubes tests as new with balanced sections.
RCA 6SN7GT - matched pair
RCA 6SN7GT - matched pair
Price: $69.00
RCA 6SN7GT - matched pair
The 1954-55 RCA 6SN7GT tubes in this precisely matched pair have black plates and bottom D getters. Both tubes have tilted bottles (does not affect tube performance). Tubes test good with balanced sections (84% Gm for each triode).
RCA 6SN7GTA - matched pair
RCA 6SN7GTA - matched pair
Price: $109.00
RCA 6SN7GTA - matched pair
The 1950s RCA 6SN7GTA tubes in this precisely matched pair have short bottles, staggered black plates, and side D getters. The black bases have silver print with the RCA logo. Both tubes test as new with balanced sections and very low noise.
RCA 6SN7GTB
RCA 6SN7GTB
Price: $39.00
RCA 6SN7GTB
This 1950s-1960s RCA 6SN7GTB tube has a medium bottle, bottom D getter, and staggered black plates with copper grid posts. The black base has silver or red print with the RCA logo. Tube tests as new with very low noise.
RCA 6SN7GTB - matched pair
RCA 6SN7GTB - matched pair
Price: $97.00
RCA 6SN7GTB - matched pair
The 1960s RCA 6SN7GTB tubes in this precisely matched pair have medium bottles, staggered black plates, and bottom D getters. The black bases have silver or red print with the RCA logo. Both tubes test as new with balanced sections and low noise.
RCA 6SN7GTB - matched quad
RCA 6SN7GTB - matched quad
Price: $214.00
RCA 6SN7GTB - matched quad
The 1960s RCA 6SN7GTB tubes in this precisely matched quad have medium bottles, staggered black plates, and bottom D getters. The black bases have red print with the RCA logo. All 4 tubes test as new with balanced sections and low noise.
RCA JAN 6SN7GT - clear glass
RCA JAN 6SN7GT - clear glass
Price: $89.00
RCA JAN 6SN7GT - clear glass
This 1953 military spec RCA 6SN7GT tube has a medium bottle and staggered black plates with copper grid posts (the same construction as the gray glass VT-231). The silver print on the base has the RCA logo and reads "JAN CRC-6SN7-GT." Tube tests as new.
RCA JAN 6SN7GT - gray glass
RCA JAN 6SN7GT - gray glass
Price: $97.00
RCA JAN 6SN7GT - gray glass
This 1950 military spec RCA 6SN7GT has the same structure as the legendary RCA VT-231 tubes. The silver print on the base has the RCA logo and reads "JAN CRC-6SN7-GT." Click "more info" for current availability.
RCA JAN 6SN7GT / VT-231 - gray glass
RCA JAN 6SN7GT / VT-231 - gray glass
Price: From $64.00 to $129.00
RCA JAN 6SN7GT / VT-231 - gray glass
This rare 1940s RCA VT-231 is a military spec 6SN7GT. It has a medium bottle with gray glass and staggered black plates. The silver print on the base has the RCA logo and reads "JAN-CRC-6SN7-GT VT-231." Click "more info" for current availability.
RCA JAN 6SN7GT / VT-231 - gray glass, matched pair
RCA JAN 6SN7GT / VT-231 - gray glass, matched pair
Price: $294.00
RCA JAN 6SN7GT / VT-231 - gray glass, matched pair
The rare 1940s RCA VT-231 tubes in this precisely matched pair are military spec 6SN7GT type tubes. They have gray glass and staggered black plates with copper grid posts. Both tubes tests as new with balanced sections.
Sylvania 6SN7GT - early black plates, bottom getter
Sylvania 6SN7GT - early black plates, various labels
Price: $54.00
Sylvania 6SN7GT - early black plates, various labels
This 1951 Sylvania 6SN7GT tube has a medium bottle (tilted), bottom getter, and early black plates with 2 rivets and copper grid posts. The yellow print on the base has the Philco label. Tube tests as new with balanced sections and very low noise.
Sylvania 6SN7GT - chrome dome
Sylvania 6SN7GT / 6SN7GTA - chrome dome
Price: From $22.00 to $64.00
Sylvania 6SN7GT / 6SN7GTA - chrome dome
This early 1950s Sylvania 6SN7GT / 6SN7GTA tube has a short bottle, early black plates, and lots of chrome flashing. The full black base has green print with the Sylvania lightening logo. Click "more info" for current availability.
Sylvania 6SN7GT / VT-231 - early black plates, bottom getter
Sylvania 6SN7GT / VT-231 - early black plates, bottom getter
Price: $79.00
Sylvania 6SN7GT / VT-231 - early black plates, bottom getter
This Sylvania VT-231 tube is a military spec 6SN7GT type from the 1949-1953 "Bad Boy" era of Sylvania 6SN7 production. It has a medium bottle, bottom getter, and early black plates with 2 rivets. Tube tests as new with balanced sections and low noise.
6SN7GTA Sylvania - premium matched pair
Sylvania 6SN7GTA - matched pair
Price: $74.00
Sylvania 6SN7GTA - matched pair
The 1950s Sylvania 6SN7GTA tubes in this precisely matched pair have short bottles, black plates, and halo getters with lots of chrome flashing. Both tubes test as new and are matched for current draw and Gm.
Sylvania 6SN7GTA - tall bottle, matched pair
Sylvania 6SN7GTA - tall bottle, matched pair
Price: $109.00
Sylvania 6SN7GTA - tall bottle, matched pair
The 1950s Sylvania 6SN7GTA tubes in this precisely matched pair have tall bottles, black plates, and top getters with lots of chrome flashing. The green print on the black bases has the Sylvania lightening logo. Both tubes test new with very low noise.
Sylvania 6SN7GTA - top getter
Sylvania 6SN7GTA - top getter
Price: $37.00
Sylvania 6SN7GTA - top getter
This 1950s Sylvania 6SN7GTA tube has a medium bottle, black plates, and a halo getter with lots of chrome flashing. The black base has green print with the Sylvania logo. Tube tests as new.
Sylvania 6SN7GTB - yellow label, matched pair
Sylvania 6SN7GTB - matched pair, black plates
Price: From $57.00 to $69.00
Sylvania 6SN7GTB - matched pair, black plates
The 1960s Sylvania 6SN7GTB tubes in this precisely matched pair have medium bottles, black plates, and lots of chrome flashing. They are matched for both current draw (mA) and transconductance (Gm). Click "more info" for current availability.
Sylvania 6SN7GTB - matched pair, gray plates
Sylvania 6SN7GTB - matched pair, gray plates
Price: $57.00
Sylvania 6SN7GTB - matched pair, gray plates
The 1960s Sylvania 6SN7GTB tubes in this precisely matched pair have medium bottles, gray plates, and lots of chrome flashing. The black bases have green print with the Baldwin organs logo. Tubes test as new with balanced sections.
Sylvania 6SN7GTB - matched quad
Sylvania 6SN7GTB - matched quad, black plates
Price: $154.00
Sylvania 6SN7GTB - matched quad, black plates
The 1960s Sylvania 6SN7GTB tubes in this precisely matched quad have black plates and lots of chrome flashing. The black bases have green print with the Sylvania lightening logo and matching date codes. All four 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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