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Featured items

GE JAN 6080 - black plates
GE JAN 6080 - black plates
Price: $34.00
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.
GE 5-star 5687 - black plates, halo getter
GE 5-star 5687 - black plates, halo getter
Price: $32.00
GE 5-star 5687 - black plates, halo getter
This 1960s GE 5687WB is a military spec 5687 tube. It has black plates with copper grid posts and a halo getter. The white print has the GE logo with the broadcast quality 5-star label. Tube tests as new with balanced sections and low noise
RCA JAN 5U4G - ribbed plates
RCA JAN 5U4G - ribbed plates
Price: $89.00
RCA JAN 5U4G - ribbed plates
This 1953 military spec RCA 5U4G full-wave rectifier tube has an ST bottle, ribbed black plates, and a top getter. The silver print on the base has the RCA logo and reads "JAN CRC-5U4G." Tube tests as new with balanced diode sections.
Cunningham 5Y3GT - black plates
Cunningham 5Y3GT - black plates
Price: $44.00
Cunningham 5Y3GT - black plates
This rare 1950 Cunningham 5Y3GT rectifier tube has smooth black plates and bottom D getters. The silver print on the glass has the Cunningham logo. Tube tests as new.
RCA 12AT7 - gray plates, matched pair
RCA 12AT7 - gray plates, matched pair
Price: $89.00
RCA 12AT7 - gray plates, matched pair
The 1960s RCA 12AT7 tubes in this precisely matched pair have gray wing plates and halo getters. The red labels have the RCA logo. Both tubes test as new with very low noise.
RCA 6V6GT - gray glass, matched pair
RCA 6V6GT - gray glass, matched pair
Price: $114.00
RCA 6V6GT - gray glass, matched pair
The 1954 RCA 6V6GT tubes in this precisely matched pair have gray glass and bottom D getters. Their black bases have silver print with the RCA logo. Both tubes test as new and are matched for both current draw (mA) and Gm.
RCA 6V6GTA - clear glass, matched quad
RCA 6V6GTA - clear glass, matched quad
Price: $197.00
RCA 6V6GTA - clear glass, matched quad
The 1960s RCA 6V6GTA tubes in this precisely matched quad have gray plates, bottom D getters, and clear glass. The red print on the bases has the RCA logo. All four tubes test as new for both current draw (mA) and transconductance (Gm).
Telefunken 12AX7 / ECC83 - matched pair
Telefunken 12AX7 / ECC83 - smooth plates, matched pair, Dynaco labels
Price: $249.00
Telefunken 12AX7 / ECC83 - smooth plates, matched pair, Dynaco labels
The 1964-65 Telefunken 12AX7 / ECC83 tubes in this precisely matched pair have smooth plates and the diamond imprint in the base. The white labels have the Dynaco logo. Both tubes test as new with balanced sections and phono grade noise levels.
RCA 5751 / 12AX7 - black plates, triple mica
RCA 5751 / 12AX7 - black plates, triple mica
Price: $82.00
RCA 5751 / 12AX7 - black plates, triple mica
This late 1950s RCA 5751 tube is a lower gain 12AX7 equivalent. It has black plates, a windmill getter, extra support rods, and triple micas. The label is missing. Tube tests as new with 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.
Amperex PQ 6085 - gold pins, matched pair
Amperex PQ 6085 / E80CC - gold pins, matched pair
Price: $149.00
Amperex PQ 6085 / E80CC - gold pins, matched pair
The 1976 Amperex 6085 tubes in this precisely matched pair have gray plates with copper grid posts and gold pins. They have orange PQ labels and the Heerlen, Holland factory codes are etched in the glass. Both tubes test as new and are precisely matched.
Visseaux 6K6GT - matched pair
Visseaux 6K6GT - matched pair
Price: $49.00
Visseaux 6K6GT - matched pair
The 1950s Visseaux 6K6GT tubes in this precisely matched pair have black plates, bottom getters, and engraved bases. The white print on the glass says "Made in France." Both tubes test as new.

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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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