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Featured items

GE 5998A - black plates
GE 5998A - black plates
Price: $179.00
GE 5998A - black plates
This military spec 1970s GE 5998 is an uprated 6AS7G/6080 dual triode tube type. It has black plates and a halo getter. The GE logo is printed on the base and reads "JAN-5998." Tube tests as new with very low noise.
GE JAN 6080 - black plates
GE JAN 6080 - black plates
Price: $39.00
GE JAN 6080 - black plates
This GE 6080 dual triode power tube is a ruggedized 6AS7G tube type. It has black plates, top getters, and a metal collar base. The green print on the glass reads "GE JAN-6080WC." Tube tests as new with low noise.
RCA 6FQ7 / 6CG7 - side getter, matched pair
RCA 6FQ7 / 6CG7 - side getter, matched pair
Price: $109.00
RCA 6FQ7 / 6CG7 - side getter, matched pair
The 1973 RCA 6FQ7 / 6CG7 tubes in this precisely matched pair have gray plates, side getters, and clear tops. The red print on the glass has the RCA logo. Both tubes test as new with balanced sections.
Sylvania 6SN7GT -
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 green print on the base has the early lightning logo. Tube tests as new with balanced sections.
Telefunken EF86 - silver plate
Telefunken EF86 - silver plate
Price: $189.00
Telefunken EF86 - silver plate
This 1972 Telefunken EF86 tube has silver plates and a halo getter. The base has the diamond imprint in the glass. Tube tests as new with very low noise.
RCA 5V4G - ST bottle
RCA 5V4G - ST bottle
Price: $44.00
RCA 5V4G - ST bottle
This 1957 RCA 5V4G rectifier tube has an ST bottle, black plates, and a bottom D getter. The silver print on the base has the RCA logo. Tube tests as new and ships in its original box.

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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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