6SN7 / 5692 tubes

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

The 1960 GE 5692 tubes in this precisely matched pair are premium quality 6SN7 tubes. They have short bottles, dual top getters, and brown bases. Both tubes test as new with very low noise. They are matched for both current draw (mA) and Gm.

This 1961 RCA 5692 is an industrial grade 6SN7 tube type--and an audiophile favorite. It has a short bottle, red base, and dual top getters. The triple mica and 11 support rods give it long life and low noise. Click "more info" for current availability.

This 1950s GE 6SN7GTA tube has a short bottle, side horseshoe getter, and gray plates with copper grid posts. The black base has white print with the GE logo. Click "more info" for current availability.

The early 1950s GE 6SN7GTA tubes in this precisely matched pair have short bottles, gray plates with copper grid posts, and side horseshoe getters. Their black bases have white print with the GE logo. Both tubes test as new and are precisely matched.

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.

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.

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.

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.

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.

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.

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.

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. The silver print on the bases reads "JAN CRC-6SN7-GT VT-231." Click "more info" for current availability.

This 1950-51 Sylvania 6SN7GT tube was made during Sylvania's "Bad Boy" era and labeled for other companies. It has a bottom getter and early black plates with 2 rivets and copper grid posts. Tube tests as new with balanced sections and very low noise.

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.