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 as new with low noise.
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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
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This 1960s RCA 5692 is an industrial grade 6SN7 tube type--and an audiophile favorite. It has a short bottle, dark red base, and dual top getters. The triple mica and 11 support rods give it long life and low noise. Tube tests as new.
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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.
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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.
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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.
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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.
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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.
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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.
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Price: From $19.00 to $42.00
This 1950s RCA 6SN7GT tube has a medium bottle, bottom D getter, and staggered black plates with copper grid posts. The full black base has silver print with the RCA logo. Click "more info" for current availability.
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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.
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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.
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The 1950s RCA 6SN7GT tubes in this precisely matched pair have medium bottles with clear glass, staggered black plates, and full black bases with silver print. Both tubes test as new and are matched for both current draw (mA) and transconductance (Gm).
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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.
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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.
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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.
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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.
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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.
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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.
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Price: From $64.00 to $129.00
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.
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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.
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This early 1950s Sylvania 6SN7GT tube has a medium bottle, bottom getter, and early black plates with 2 rivets and copper grid posts. The full black base is labeled for other comapnies (Philco, Motorola, etc). Tube tests as new with balanced sections.
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Price: From $22.00 to $64.00
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.
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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.
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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.
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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.
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Price: From $57.00 to $69.00
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.
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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.
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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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The 1960s Sylvania 6SN7GTB tubes in this precisely matched quad have gray plates and lots of chrome flashing. The black bases have green print with the Baldwin Organs logo and matching date codes. All four tubes test as new with very low noise.
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