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Old Triodes and Radio Tubes

Displaying products 1 - 30 of 42 results
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RCA Radiotron UX-201A / 01A triode
RCA Radiotron UX-201A / 01A triode - globe bottle, engraved base
Price: $42.00
RCA Radiotron UX-201A / 01A triode - globe bottle, engraved base
This 1920s RCA Radiotron UX-201A / 201-A triode is compatible with any long-pin 01A type tube (201A, 301A, UX-201A, CX301A). Its globe bottle is completely enveloped in flashing and its base is engraved with the RCA logo. Tube tests as new.
1L6 heptode
GE 1L6 heptode
Price: $57.00
GE 1L6 heptode
This GE 1L6 tube has a silver shield and halo or horseshoe getter. Tube tests as new.
Silvertone 30 / 230 triode - matched pair
Silvertone 30 / 230 triode - matched pair
Price: $44.00
Silvertone 30 / 230 triode - matched pair
The 1930s Silvertone 230 tubes in this precisely matched pair are vintage 4-pin triodes compatible with any 30 triode. The engraved bases have the Super Silvertone logo. Both tubes test as new and are matched for both current draw (mA) and Gm.
Amperex 5842 / 417A triode - National label, gold pins
Amperex 5842 / 417A triode - National label, gold pins
Price: $47.00
Amperex 5842 / 417A triode - National label, gold pins
This 1960s Amperex 5842 tube is a 417A triode tube type made famous by Western Electric. It has a metallic gray plate, a D getter, and gold pins (VK5 series). The red print on the glass has the National logo. Tests as new with low noise.
Amperex 5842 / 417A triode - PQ label
Amperex 5842 / 417A triode - PQ label
Price: $44.00
Amperex 5842 / 417A triode - PQ label
This Amperex 5842 tube is a 417A triode tube type made famous by Western Electric. It has a metallic gray plate and a halo getter (VK6 series). The orange print on the glass has the PQ badge for special quality. Tube tests as new with low noise.
Amperex 5842 / 417A triode - gold pins
Amperex 5842 / 417A triode - PQ label, gold pins
Price: $54.00
Amperex 5842 / 417A triode - PQ label, gold pins
This 1966 Amperex 5842 tube is a 417A triode tube type made famous by Western Electric. It has a metallic gray plate, a D getter, and gold pins (VK5 series). The white print on the glass has the PQ badge for special quality. Tests as new with low noise.
Western Electric 417A triode
Western Electric 417A triode
Price: $109.00
Western Electric 417A triode
This 1958 Western Electric 417A triode has black plates and a halo D getter. The yellow print on the glass has the Western Electric logo. Tube tests as new with low noise.
Raytheon 420A / CK 5755 - clear top
Price: $59.00
Raytheon 420A / CK 5755 - clear top
This 1960s Raytheon 5755 tube is a military spec equivalent to the Western Electric 420A dual triode. It has smooth gray plates and a clear top. The yellow print on the glass has the Raytheon logo. Tube tests as new and with balanced and very low noise.
Raytheon 420A / 5755 - matched pair, clear top
Raytheon 420A / CK 5755 - matched pair, clear top
Price: $124.00
Raytheon 420A / CK 5755 - matched pair, clear top
The 1961 Raytheon 5755 tubes in this precisely matched pair are the military spec equivalent to the Western Electric 420A dual triode tube. They have smooth gray plates and clear tops. Both tubes test as new and are matched for both current draw and Gm.
Western Electric 420A / JW 5755
Western Electric 420A / JW 5755
Price: From $69.00 to $74.00
Western Electric 420A / JW 5755
This 1959 Western Electric JW 5755 tube is a military spec 420A dual triode. It has smooth gray plates and a windmill getter. Tube tests as new with very low noise and ships in its original box.
Western Electric 420A / JW 5755 - matched pair
Western Electric 420A / JW 5755 - matched pair
Price: $189.00
Western Electric 420A / JW 5755 - matched pair
The 1959 Western Electric JW 5755 tubes in this precisely matched pair are the military spec equivalent to the 420A dual triode. They have smooth gray plates and windmill getters. Both tubes test as new and are matched for both transconductance and mA.
RCA 45 triode - matched pair
RCA Cunningham 45 triode - matched pair
Price: $179.00
RCA Cunningham 45 triode - matched pair
The RCA 45 triode tubes in this precisely matched pair have ST bottles, black plates, and bottom dish getters with lots of flashing. Both tubes are labeled "RCA Cunningham Radiotron." They are matched for current draw (26.2 & 27.0 mA) and Gm (90% & 94%).
Sylvania 56 triode - matched pair
Sylvania 56 triode - matched pair
Price: From $29.00 to $57.00
Sylvania 56 triode - matched pair
The Sylvania 56 tubes in this matched pair are vintage 5-pin triodes. They have black plates and bottom getters. Their black bases have green print with the early Sylvania leaf logo. Both tubes test as new and are precisely matched.
GE JAN 5670 / 2C51 - black plates
GE JAN 5670 / 2C51 - black plates
Price: $17.00
GE JAN 5670 / 2C51 - black plates
This military spec GE 5670 /2C51 tube has black plates and a halo getter. The green label has the GE logo and reads "JAN-5670W." The glass is etched with the part number and a triangle to indicate special quality. Tube tests as new with low noise.
GE JAN 5670 / 2C51 - black plates, matched pair
GE JAN 5670 / 2C51 - black plates, matched pair
Price: $39.00
GE JAN 5670 / 2C51 - black plates, matched pair
The military spec GE 5670 /2C51 tubes in this precisely matched pair have black plates and halo getters. The green labels read "JAN-5670W" and the glass is etched with a triangle to indicate special quality. Both tubes test as new with low noise.
Raytheon CK 5670 / 2C51 - black plates
Raytheon CK 5670 / 2C51 - black plates
Price: From $14.00 to $24.00
Raytheon CK 5670 / 2C51 - black plates
This 1960 military spec Raytheon 5670 /2C51 tube has black plates and a halo getter with dual support posts. The yellow print on the glass has the Raytheon logo and reads "CK-5670." Click "more info" for current availability.
Raytheon JAN 5670 / 2C51 - gray plates
Raytheon JRP 5670 / 2C51 - gray plates
Price: $27.00
Raytheon JRP 5670 / 2C51 - gray plates
This 1965 military spec Raytheon 5670 /2C51 tube has gray plates and a "plus sign" getter with dual support posts. The red print on the glass has the Raytheon logo and reads "JRP-5670." Tube tests as new with low noise.
Raytheon JRP 5670 / 2C51 - gray plates
Raytheon JRP 5670 / 2C51 - gray plates, matched pair
Price: $59.00
Raytheon JRP 5670 / 2C51 - gray plates, matched pair
The 1965 military spec Raytheon 5670 /2C51 tubes in this precisely matched pair have gray plates and "plus sign" getters with dual support posts. The red print on the glass has the Raytheon logo and reads "JRP-5670." Both tubes test as new with low noise.
RCA JRC 5670 / 2C51 - gray plates
RCA JRC 5670 / 2C51 - gray plates, triple mica
Price: $29.00
RCA JRC 5670 / 2C51 - gray plates, triple mica
This 1962 military spec RCA 5670 /2C51 tube has gray plates, triple micas, and a D getter. The red print on the glass has the RCA logo and reads "JRC-5670." Tube tests as new with low noise.
Sylvania 2C51 - gray plates
Sylvania 2C51 - gray plates
Price: $14.00
Sylvania 2C51 - gray plates
This 1966 Sylvania 2C51 tube has gray plates and a halo getter. The green print on the glass has the Sylvania logo. Tube tests as new with low noise.
Tung-Sol JTL 5670 / 2C51 - black plates
Tung-Sol JTL 5670 / 2C51 - black plates
Price: $27.00
Tung-Sol JTL 5670 / 2C51 - black plates
This 1960 military spec Tung-Sol 5670 /2C51 tube has black plates and a halo getter. The white print on the glass has the Tung-Sol logo and reads "JTL-5670" (may be partial). Tube tests as new with low noise.
Marconi 5Z3 - smooth black plates
Marconi 5Z3 - smooth black plates
Price: $49.00
Marconi 5Z3 - smooth black plates
This Marconi 5Z3 rectifier tube was made in Canada. It has smooth black plates and bottom D getter. The red print on the base has the Marconi Radiotron logo. Tube tests as new with balanced diode sections.
Tung-Sol 6B4G triode - black glass, matched pair
Tung-Sol 6B4G triode - black glass, matched pair
Price: $144.00
Tung-Sol 6B4G triode - black glass, matched pair
The 1940s Tung-Sol 6B4G triode tubes in this precisely matched pair have black glass and bottom getters. One tube has the Tung-Sol logo and the other tube has the Hudson logo. Both tubes test as new. Click "more info" for test results.
Raytheon 6E5 - magic eye tube
Raytheon 6E5 - magic eye tube
Price: $49.00
Raytheon 6E5 - magic eye tube
This 1957 Raytheon 6E5 magic eye tube tuning level indicator has a green phosphor element. The yellow print on the base has the Raytheon logo. Tube tests as new / very bright.
RCA 1629 / VT-138 - magic eye tube
RCA 1629 / VT-138 - magic eye tube
Price: $37.00
RCA 1629 / VT-138 - magic eye tube
This RCA 1629 / VT-138 is a military spec eye tube for use as a tuning level indicator. It has a green phosphor element. Tube tests as new / bright.
RCA 6E5 - magic eye tube
RCA 6E5 - magic eye tube
Price: $49.00
RCA 6E5 - magic eye tube
This 1960 RCA 6E5 magic eye tube tuning level indicator has a green phosphor element. The red print on the base has the RCA logo. Tube tests as new / very bright.
Amperex EM80 / 6BR5 - magic eye tube
Amperex EM80 / 6BR5 - magic eye tube
Price: $24.00
Amperex EM80 / 6BR5 - magic eye tube
This Amperex EM80 / 6BR5 "magic eye" tube is used as a tuning level indicator. The white print on the glass has the Amperex logo. Tube tests as new / very bright.
Amperex EM80 / 6BR5 - magic eye tube, Bugle Boy label
Amperex EM80 / 6BR5 - magic eye tube, Bugle Boy label
Price: $29.00
Amperex EM80 / 6BR5 - magic eye tube, Bugle Boy label
This Amperex EM80 / 6BR5 "magic eye" tube is used as a tuning level indicator. The white print on the glass has the Bugle Boy logo. Tube tests as new / very bright.
Russian 6E1P / 6BR5 / EM80 - magic eye tube
Russian 6E1P / 6BR5 / EM80 - magic eye tube
Price: $10.00
Russian 6E1P / 6BR5 / EM80 - magic eye tube
This Russian 6E1P "magic eye" tube is used as a tuning level indicator. It is equivalent to the EM80 and 6BR5 tube types. The gold print on the glass has the Reflektor factory logo. Tube tests as new / very bright.
Siemens EM84 / 6FG6 - magic eye tube
Siemens EM84 / 6FG6 - magic eye tube
Price: $15.00
Siemens EM84 / 6FG6 - magic eye tube
This Siemens EM84 / 6FG6 "magic eye" tube is used as a tuning level indicator. The white print on the glass has the Siemens logo. Tube tests as new / very bright.
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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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