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6SN7 / 5692 tubes

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CBS 6SN7GTB - short bottle, matched pair
CBS 6SN7GTB - short bottle, matched pair
Price: $97.00
CBS 6SN7GTB - short bottle, matched pair
The 1959-60 CBS 6SN7GTB tubes in this precisely matched pair have black plates, short bottles, and side getters. The red print on the bases has the CBS logo. Both tubes test new with low noise.
GE 6SN7GTB - side horseshoe getters, matched pair
GE 6SN7GTB - side horseshoe getters, matched pair
Price: $109.00
GE 6SN7GTB - side horseshoe getters, matched pair
The 1950s GE 6SN7GTB tubes in this matched pair have side horseshoe getters and gray plates with copper grid posts. The print on the glass has the GE logo. Both tubes test as new with balanced sections and low noise.
GE 6SN7GTB - side O getters, matched pair
GE 6SN7GTB - side O getters, matched pair
Price: $109.00
GE 6SN7GTB - side O getters, matched pair
The 1962-63 GE 6SN7GTB tubes in this precisely matched pair have side O getters and gray plates with copper posts. The white print on the base has the GE logo. Both tubes test as new with balanced sections and low noise.
Mullard 6SN7GTA - made in Australia, matched pair
Mullard 6SN7GTA - made in Australia, matched pair
Price: $149.00
Mullard 6SN7GTA - made in Australia, matched pair
These very rare 1960s Mullard 6SN7GTA tubes were made in Australia. They have medium bottles with the white Mullard shield logo, black plates, and bottom getters. Tubes test as new with very low noise.
Raytheon 6SN7GT - black plates, support rods
Raytheon 6SN7GT - black plates, support rods
Price: $89.00
Raytheon 6SN7GT - black plates, support rods
This 1954 Raytheon 6SN7GT has black plates with copper grid posts and support rods. The yellow print on the base has the Raytheon logo. Tube tests as new with balanced sections and very low noise.
RCA 6SN7GT - matched pair
RCA 6SN7GT - matched pair
Price: $154.00
RCA 6SN7GT - matched pair
The 1950s RCA 6SN7GT 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.
RCA 6SN7GTA - side getters
RCA 6SN7GTA - side getter
Price: $59.00
RCA 6SN7GTA - side getter
This rare 1955 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 - matched pair
RCA 6SN7GTB - matched pair
Price: $149.00
RCA 6SN7GTB - matched pair
The 1958 RCA 6SN7GTB tubes in this precisely matched pair have staggered black plates 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.
RCA 6SN7GTB - filament mica, matched pair
RCA 6SN7GTB - matched pair, filament micas
Price: $129.00
RCA 6SN7GTB - matched pair, filament micas
The 1964 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.
RCA 6SN7GT / VT-231 - gray glass
RCA JAN 6SN7GT / VT-231 - gray glass
Price: $149.00
RCA JAN 6SN7GT / VT-231 - gray glass
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 balanced sections.
Sylvania 6SN7GT - Bad Boy
Sylvania 6SN7GT - "Bad Boy"
Price: $149.00
Sylvania 6SN7GT - "Bad Boy"
This 1950 Sylvania 6SN7GT tube is from the "Bad Boy" era of Sylvania 6SN7 production. The early black plates have 3 rivets with copper grid posts. The yellow print on the base has the Motorola logo. Tube tests as new with low noise.
Sylvania 6SN7GT - early ladder plates
Sylvania 6SN7GT - early ladder plates
Price: $69.00
Sylvania 6SN7GT - early ladder plates
This 1951 Sylvania 6SN7GT tube has ladder-style black plates with copper grid posts and bottom D getters with lots of flashing. The green print on the base has the Sylvania lightning logo. Tube tests as new with low noise.
Sylvania 6SN7GT - early ladder plates, matched pair
Sylvania 6SN7GT - early ladder plates, matched pair
Price: $149.00
Sylvania 6SN7GT - early ladder plates, matched pair
The 1951 Sylvania 6SN7GT tubes in this precisely matched pair have ladder-style black plates with copper grid posts and bottom D getters with lots of flashing. The green print on the bases has the Sylvania lighting logo. Both tubes test as new.
Sylvania 6SN7GTA - matched pair
Sylvania 6SN7GTA - matched pair
Price: $129.00
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 thick black bases have green print with the old Sylvania lightning logo. Both tubes test as new with low noise.
Sylvania 6SN7GTB - top getter
Sylvania 6SN7GTB - top getter
Price: $44.00
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 6SN7GTB - matched pair
Sylvania 6SN7GTB - yellow label, matched pair
Price: $109.00
Sylvania 6SN7GTB - yellow label, matched pair
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.
Sylvania 6SN7W - early black plates, chrome dome
Sylvania 6SN7W - early black plates, chrome dome
Price: $129.00
Sylvania 6SN7W - early black plates, chrome dome
This early 1950s military spec Sylvania 6SN7W has a short bottle and a top getter with lots of chrome flashing. The early black plates have 2 rivets and an extra support rod. The green print on the base has the Sylvania lightning logo. Tube tests as new.
Sylvania 6SN7WGT - early black plates, chrome dome
Sylvania 6SN7WGT - early black plates, chrome dome
Price: $97.00
Sylvania 6SN7WGT - early black plates, chrome dome
This 1957 military spec Sylvania 6SN7WGT has a short bottle, early black plates, an extra support rod, and a nice chrome dome. The white print on the brown base reads "JAN-CHS-6SN7WGT." Tube tests as new with balanced sections and low noise.
Tung-Sol 6SN7GT - gray glass
Tung-Sol 6SN7GT - gray glass
Price: $149.00
Tung-Sol 6SN7GT - gray glass
This rare 1956 Tung-Sol 6SN7GT tube has gray glass with bottom getters. The white print on the base has the Tung-Sol logo. Tube tests as new with balanced sections.
Westinghouse 6SN7GTB
Westinghouse 6SN7GTB - black plates
Price: $59.00
Westinghouse 6SN7GTB - black plates
This 1960s Westinghouse 6SN7GTB tube has black plates with copper grid posts and a halo getter. 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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