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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The 1951 military spec 5692 tubes in this precisely matched pair are an industrial grade 6SN7 tube type--and an audiophile favorite. They have distinctive red bases, triple micas and 11 support rods. Both tubes test as new. Click "more info" for details.
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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 GE logo is printed on the glass or bases.
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The 1960s GE 6SN7GTB tubes in this precisely matched quad have short bottles, gray plates, and side O getters. The green print on the glass has the GE logo (partial). All 4 tubes test as new with balanced sections and low noise.
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This 1950s Hytron 6SN7GTB has black plates and a side getter. The red print on the base has the Hytron logo. Tube tests as new with balanced sections and very low noise.
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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.
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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 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 and very low noise.
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The 1950 RCA 6SN7GT tubes in this precisely matched pair have gray glass and black plates with copper grid posts. The silver print on the bases has the RCA logo. Both tubes tests as new with balanced sections and 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 late 1960s RCA 6SN7GTB tubes in this precisely matched pair have bottom D getters, and staggered black plates with a filament across the top mica. The narrow black bases have red print with the RCA logo. Both tubes test as new with balanced sections.
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The 1960s RCA 6SN7GTB tubes in this precisely matched pair have staggered black plates and bottom D getters. The full 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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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 $59.00 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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This 1954 Sylvania 6SN7GT has a short bottle, early black plates have 3 rivets, and top getter with lots of chrome flashing. The green print on the base has the Sylvania lightning logo. Tube tests as new with very low noise.
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This 1951 Sylvania 6SN7GT tube has a medium bottle, 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.
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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 lightning logo. Click "more info" for current availability.
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Price: $74.00
Sale Price: $55.50
The 1950s Sylvania 6SN7GTA tubes in this precisely matched pair have short bottles, black plates, and halo getters with lots of chrome flashing. Appear unused but discounted for lower test results. Click "more info" for details.
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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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The 1960s Sylvania 6SN7GTB tubes in this precisely matched pair have black plates and lots of chrome flashing. The green print on the bases has the Baldwin organs logo. Tubes test as new with balanced sections.
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The 1960s Sylvania 6SN7GTB tubes in this precisely matched pair have black plates and lots of chrome flashing. The yellow print on the bases has the Sylvania lightning logo.Both tubes test as new and are matched for both current draw (mA) and Gm.
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This 1960s Sylvania 6SN7GTB tube has a medium bottle, black plates, and a halo getter with lots of chrome flashing. The black base has yellow or green print with the Sylvania logo. Tube tests as new.
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Price: From $19.00 to $49.00
This 1960s Tung-Sol 6SN7GTB tube has has a tall bottle, black plates, and a horseshoe or halo getter. The black base has white print with the Tung-Sol logo. Click "more info" for current availability.
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This new production Tung-Sol 6SN7GTB tube was made in Russia. It has black plates, a top dish getter, and extra support rods. The brown base has white print with the Tung-Sol logo.
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The new production Tung-Sol 6SN7GTB tubes in this precisely matched pair were made in Russia. They have black plates, top dish getter, and extra support rods. The brown bases have white print with the Tung-Sol logo.
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This 1961 military spec Tung-Sol 6SN7WGTA has black plates and a halo getter. The brown base has silver print that reads "JAN-CTL-6SN7WGTA." Tube tests as new with very low noise.
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Price: From $32.00 to $39.00
This 1960s Westinghouse 6SN7GTB tube has a short bottle, side O getter, and staggered black plates. The yellow print on the base has the Westinghouse logo and "made in Canada" is printed on the glass. Click "more info" for current availability.
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