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6SN7 / 5692 tubes

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Ken-Rad 6SN7GT / VT-231 - black glass
Ken-Rad 6SN7GT / VT-231 - black glass
Price: $94.00
Ken-Rad 6SN7GT / VT-231 - black glass
This 1940s Ken-Rad 6SN7GT tube has black glass, a bottom getter with lots of flashing, and staggered black plates with copper grid posts. The silver print on the base has the Ken-Rad logo. Tube tests as new with balanced sections and low noise.
Raytheon 6SN7GT - black plates, support rods
Raytheon 6SN7WGT - black plates, support rods
Price: $79.00
Raytheon 6SN7WGT - black plates, support rods
This 1951 Raytheon 6SN7GT has shiny black plates with copper grid posts and support rods. The yellow print on the base has the Raytheon logo and reads "JAN-CRP-6SN7WGT." Tube tests as new with balanced sections and very low noise.
RCA 6SN7GTA - side getters
RCA 6SN7GTA - side getters
Price: $59.00
RCA 6SN7GTA - side getters
This rare 1954 RCA 6SN7GTA tube has a short bottle, side D getter, 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.
RCA 6SN7GTB
RCA 6SN7GTB
Price: $39.00
RCA 6SN7GTB
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.
RCA 6SN7GTB - matched pair
RCA 6SN7GTB - matched pair
Price: $109.00
RCA 6SN7GTB - matched pair
The early 1960s RCA 6SN7GTB tubes in this precisely matched pair have staggered black plates and bottom D getters. The orange or silver print on the bases has the RCA logo. Both tubes test as new with balanced sections and low noise.
RCA 6SN7GTB - matched pair, 1950s
RCA 6SN7GTB - matched pair, 1956
Price: $129.00
RCA 6SN7GTB - matched pair, 1956
The 1956 RCA 6SN7GTB tubes in this precisely matched pair have staggered black plates with copper grid posts and bottom D getters. The silver print on the bases has the RCA logo. Both tubes test as new with balanced sections and low noise.
Sylvania 6SN7GT - early black plates, bottom getter
Sylvania 6SN7GT - early black plates, bottom getter
Price: $69.00
Sylvania 6SN7GT - early black plates, bottom getter
This early 1950s Sylvania 6SN7GT tube has a medium bottle, bottom getter, and early black plates with 2 rivets. The full black base has green print with the Sylvania lightning logo. Tube tests as new.
Sylvania 6SN7GT - early black plates, various labels
Sylvania 6SN7GT - early black plates, various labels
Price: $59.00
Sylvania 6SN7GT - early black plates, various labels
This 1958 Sylvania 6SN7GT tube has a medium bottle, bottom getter, and early black plates with 2 rivets. The silver print on the base is labeled for GE. Tube tests as new with balanced sections.
Sylvania 6SN7GT - chrome dome
Sylvania 6SN7GTA - chrome dome
Price: $59.00
Sylvania 6SN7GTA - chrome dome
This 1953 Sylvania 6SN7GTA tube has a short bottle, early black plates, and lots of chrome flashing. The green print on the base has the Sylvania lightning logo. Tube tests as new with balanced sections and low noise.
Sylvania 6SN7GTA - matched pair
Sylvania 6SN7GTA - matched pair
Price: $74.00
Sylvania 6SN7GTA - matched pair
The 1950s Sylvania 6SN7GTA tubes in this precisely matched pair have black plates and halo getters with lots of chrome flashing. The black bases have green print with the old Sylvania lightning logo. Both tubes test as new with low noise.
Sylvania 6SN7GTA - top getter
Sylvania 6SN7GTA - top getter
Price: $37.00
Sylvania 6SN7GTA - top getter
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.
Sylvania 6SN7GTB - tall bottle
Sylvania 6SN7GTB - tall bottle
Price: $49.00
Sylvania 6SN7GTB - tall bottle
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.
Sylvania 6SN7GTA - tall bottle, matched pair
Sylvania 6SN7GTB - tall bottle, matched pair
Price: $109.00
Sylvania 6SN7GTB - tall bottle, matched pair
The 1966 Sylvania 6SN7GTB tubes in this precisely matched pair have tall bottles, black plates, and top getters with lots of chrome flashing. The green labels have the Sylvania lightning logo and matching date codes. Both tubes test new with low noise.
Sylvania 6SN7GTB - top getter
Sylvania 6SN7GTB - top getter
Price: $32.00
Sylvania 6SN7GTB - top getter
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.
Sylvania 6SN7WGT
Sylvania 6SN7WGTA - early black plates, chrome dome
Price: $69.00
Sylvania 6SN7WGTA - early black plates, chrome dome
This 1955 military spec Sylvania 6SN7WGTA 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-6SN7WGTA." Tube tests as new with balanced sections and low noise.
Tung-Sol 6SN7GTB - medium bottle, matched pair
Tung-Sol 6SN7GTB - medium bottle, matched pair
Price: $109.00
Tung-Sol 6SN7GTB - medium bottle, matched pair
The 1960s Tung-Sol 6SN7GTB tubes in this precisely matched pair have medium bottles, black plates, and halo getters. The black bases have white print with the Tung-Sol logo. Both tubes test as new with balanced sections and low noise.
Tung-Sol 6SN7GTB - tall bottle
Tung-Sol 6SN7GTB - tall bottle, Zenith label
Price: $59.00
Tung-Sol 6SN7GTB - tall bottle, Zenith label
This 1957 Tung-Sol 6SN7GTB tube has has a tall bottle, black plates, and a horseshoe getter. The black base has white print with the Zenith logo. Tube tests as new with very low noise.
Westinghouse 6SN7GTB - gray plates
Westinghouse 6SN7GTB - gray plates
Price: $44.00
Westinghouse 6SN7GTB - gray plates
This 1963 Westinghouse 6SN7GTB tube has a disc getter and gray plates with copper grid posts. The yellow print on the base has the Westinghouse logo. Tube tests as new with balanced sections.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.

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