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Old Triodes and Radio Tubes

Displaying products 31 - 51 of 51 results
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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.
RCA 6B4G triode - matched pair
RCA 6B4G triode - matched pair
Price: $119.00
RCA 6B4G triode - matched pair
The 1950s RCA 6B4G triode tubes in this precisely matched pair have black plates and bottom D getters. One tube has the RCA logo and the other tube has the Sylvania lighting logo. Both tubes test as new. Click "more info" for test results.
Sylvania 6B4G triode - matched pair
Sylvania 6B4G triode - matched pair
Price: $89.00
Sylvania 6B4G triode - matched pair
The 1940s Sylvania 6B4G triode tubes in this precisely matched pair have connected plates and bottom getters with lots of flashing. The print on the bases has the Sylvania lightning logo. Both tubes test as new with low noise. Both tubes test as new.
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, gray glass
Price: $37.00
RCA 1629 / VT-138 - magic eye tube, gray glass
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.
6E5 Sylvania - eye tube
Sylvania 6E5 - magic eye tube
Price: $49.00
Sylvania 6E5 - magic eye tube
This 1950s Sylvania 6E5 magic eye tube tuning level indicator has a green phosphor element. The green print on the base has the Sylvania lightning logo or military JAN CHS label. 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.
RCA 71A triode - globe bottle, matched pair
RCA 71A triode - globe bottle, matched pair
Price: $159.00
RCA 71A triode - globe bottle, matched pair
The RCA 71A tubes in this precisely matched pair have silver plates and globe bottles with lots of chrome flashing. The engraved bases have the RCA Radiotron logo and read "171-A." Both tubes test as new.
RCA 71A triode - matched pair
RCA 71A triode - matched pair
Price: $94.00
RCA 71A triode - matched pair
The RCA 71A tubes in this precisely matched pair are 4-pin triode power tubes. They have ST bottles and engraved black bases with the RCA Radiotron logo. Both tubes test as new and are matched for both transconductance (Gm) and current draw (mA).
Raytheon JAN-CRP-717A / VT-269 Pentode
Raytheon JAN-CRP-717A / VT-269 Pentode
Price: $41.00
Raytheon JAN-CRP-717A / VT-269 Pentode
This 1940s military spec 717A was made for Western Electric by Raytheon. Its metal base has black lettering that reads JAN-CRP-717A VT-269. There is some oxidation on the base. Tube tests as new and comes in the original box.
Tung-Sol WE 717A / VT-269 pentode
Tung-Sol WE 717A / VT-269 pentode
Price: $46.00
Tung-Sol WE 717A / VT-269 pentode
This 1940s military spec 717A pentode was made for Western Electric by Tung-Sol. The glass has heavy chrome flashing and is labeled Tung-Sol WE 717A. It also has a metal base, which may have some oxidation. Tube tests as new.
Western Electric 717A / VT-269 Pentode
Western Electric 717A / VT-269 Pentode
Price: $54.00
Western Electric 717A / VT-269 Pentode
This military spec Western Electride 717A tube is a pentode that can also be wired as a triode. It has a side getter and metal base. The label on the glass reads "Western Electric 717A VT-269 by Raytheon." Tube tests as new.
Western Electric 717A / VT-269 Pentode - matched pair
Price: $109.00
Western Electric 717A / VT-269 Pentode - matched pair
The military spec Western Electride 717A tubes in this precisely matched pair are pentode tubes that can also be wired as triodes. The label on the glass reads Western Electric 717A VT-269 by Raytheon or by Tung-Sol. Both tubes test as new.
National Union NX-80 - globe bottle, engaved base
National Union NX-80 - globe bottle, engaved base
Price: $119.00
Sale Price: $69.00
National Union NX-80 - globe bottle, engaved base
This very rare National Union NX-80 rectifier tube has a large globe bottle and black plates. The engraved base reads "National Union NX 80." Tube tests as new. It is discounted for glass inclusions inside the bottle (does not affect tube performance).
on sale
80 Rectifier Tube - ST bottle, engraved base
RCA Cunningham 80 - engraved base
Price: $34.00
RCA Cunningham 80 - engraved base
This early 1940s RCA 80 rectifier tube is the vintage 4-pin predecessor to the 5Y3. It has an ST bottle. The engraved base has the early RCA Cunningham logo. Tube tests as new.
Sylvania JAN CHS 80
Sylvania JAN CHS 80 / VT-80
Price: $29.00
Sylvania JAN CHS 80 / VT-80
This 1940s military spec Sylvania 80 is the vintage 4-pin predecessor to the 5Y3 rectifier tube. It has smooth black plates and a bottom D getter. The white or green print on the glass reads "JAN-CHS-80 VT-80." Tube tests as new.
RCA 83 - mercury vapor rectifier tube
RCA 83 mercury vapor rectifier tube
Price: From $44.00 to $59.00
RCA 83 mercury vapor rectifier tube
This RCA 83 is a full-wave mercury vapor rectifier tube. We offer Hickok grade 83 tubes with precisely balanced sections for accurate readings in vintage tube testers. Click "more info" for current availability.
RCA JAN CRC 83 mercury vapor rectifier tube
RCA JAN CRC 83 mercury vapor rectifier tube
Price: $69.00
RCA JAN CRC 83 mercury vapor rectifier tube
This 1951 RCA 83 is a full-wave mercury vapor rectifier tube. The silver print has the RCA logo and reads "JAN CRC-83." Tube tests as new with perfectly matched diode sections. Great choice for getting accurate results in vintage Hickok testers.
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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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