6SN7 / 5692 tubes

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.

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

This 1962-63 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. Tube tests as new with balanced sections.

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.

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.

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.

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.

The 1960s Raytheon 6SN7GTB tubes in this precisely matched pair have staggered gray plates with copper grid posts, and halo getters. The yellow print on the glass has the Selectron logo. Both tubes test as new with balanced sections and low noise.

This 1960 military spec Raytheon 6SN7WGT has shiny black plates with copper grid posts and a top D getter. The orange print on the brown base reads "JAN-CRP-6SN7WGT." Tube tests as new with balanced sections and very low noise.

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.

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 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.

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.

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.

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.