This very rare 1950s Telefunken 6SN7GTA tube was made in West Germany. It has gray plates with copper grid posts and the Telefunken diamond logo is printed on the glass (partial). Tube tests as new with precisely balanced sections and low noise.
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This 1950s military spec CBS 6SN7WGTA has black plates and a side getter. The red print on the base has the CBS logo and reads "JAN-CHY-6SN7WGTA" (partial/missing). Tube tests as new with 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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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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This 1950 Ken-Rad 6SN7GT has a bottom getter and staggered black plates with copper grid posts. The white print on the base has the Ken-Rad logo. Tube tests as new with balanced sections and low noise.
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This 1940s Ken-Rad VT-231 is a military spec 6SN7GT tube type. It has a bottom getter with lots of flashing and staggered black plates with copper grid posts. There is a hairline crack in the base. Tube tests as new with balanced sections.
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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 rare 1954 RCA 6SN7GTA tube has a short bottle, dual side D getters, and black plates with copper grid posts. 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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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 gray glass and black plates with copper grid posts. The silver print on the base has the RCA logo and reads "JAN CRC-6SN7-GT." Tube tests as new with balanced sections and very low noise.
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This rare 1945 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." Tube tests as new with low noise.
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This 1950s Sylvania 6SN7GT tube has a medium bottle, bottom getter, and early black plates with 2 rivets and copper grid posts. The print on the base is labeled for other companies. 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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This 1960s Sylvania 6SN7GTB tube has a tall bottle, black plates, and a halo getter with lots of chrome flashing. The yellow print on the base has the Sylvania lightning logo. Tube tests as new with low noise.
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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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This early 1950s military spec Sylvania 6SN7WGT has a short bottle, early black plates, an extra support rod, and a nice chrome dome. The green print on the brown base reads "JAN-CHS-6SN7WGT." Tube tests as new with low noise.
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Price: From $19.00 to $47.00
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 1960s military spec Tung-Sol 6SN7WGTA has black plates, a halo getter, and a brown base. The silver, black, or red print on the base reads "JAN-CTL-6SN7WGTA." Tube tests as new with low noise.
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This 1956 Tung-Sol 6SN7WGTA tube has a tall bottle, black plates, and a horseshoe getter with lots of chrome flashing. The white print on the base has the Tung-Sol logo and reads "USN-CTL-6SN7WGTA." Tube tests as new with 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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