Vacuum Tubes

The first electronic amplification of sound was done with Vacuum Tubes. We have pre-amp, power and rectifier vacuum tubes among other types in New Old Stock from the golden era of American & European manufacturing as well as current production tubes from today.
T-KT88-JJ Vacuum Tube - KT88, JJ Electronics
A sonically faithful reproduction of the original tubes with a robust construction encased in a thick glass envelope. The JJ KT88 delivers a powerful 42 Watts with plenty of headroom to spare. This tube has a tone that is warm and lively with a detailed and balance response. The JJ KT88 is an excellent choice for Hi-Fi stereo equipment as well as guitar amplifiers. It can be used in place of 6550 tubes.
Starting at $39.95
T-KT88-BL-JJ Vacuum Tube - KT88, JJ Electronics, Blue Glass
Blue glass envelope. A sonically faithful reproduction of the original tubes with a robust construction encased in a thick glass envelope. The JJ KT88 delivers a powerful 42 Watts with plenty of headroom to spare. This tube has a tone that is warm and lively with a detailed and balance response.
Starting at $44.95
T-KT88-MUL Vacuum Tube - KT88, Mullard
Mullard KT88 power tube. Made in Russia.
This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for Marshall in the late 1960s and 1970s. Excellent replacement output valve for the Marshall Major to retain the original sound.
Starting at $43.95
T-KT88-VA Vacuum Tube - KT88, Valve Art
Octal power tube (Max Plate Watts = 42W).
Starting at $40.92
T-KT88-STR-TAD-X Vacuum Tube - KT88-STR, Tube Amp Doctor, Premium Selected
The Tube Amp Doctor KT88-STR is build just like the original tube with its thick curved glass envelope and metal base. The similarities don’t stop with its attractive appearance. This KT88 offers a lively and dynamic tone that is ideal in both HiFi audio amplifiers and high wattage guitar / bass amps. The sound of the TAD KT88 is pleasantly warm at all frequencies with detailed mids, articulate and nuanced highs, and harmonically rich and natural lows. The linear response is excellent. The TAD KT88-STR is matched for both plate current and transconductance and passes all of the tests of the TAD Premium Selection process.
Starting at $49.25
T-KT90-EH Vacuum Tube - KT90, Electro-Harmonix
Electro-Harmonix KT90 power tube. Made in Russia.
Absolutely the best KT90 ever developed. Wafer base height of 0.34”.
Starting at $42.95
Save 10%
Originally: $47.95
T-PX300B-GOLD-GEN Vacuum Tube - PX300B, Genalex Gold Lion, Gold Pin
Genalex Gold Lion PX300B power triode tube with gold pins. Made in Russia. In Europe during the 1930s the GEC (Genalex)/Marconi-Osram PX4 and PX25 power triodes were considered the finest audio triodes of their day. In keeping with the tradition of Genalex to provide the highest quality tubes, New Sensor has released the Genalex Gold Lion PX300B audio power triode. This tube is the highest quality 300B type available and is considered to be an upgrade in any 300B amplifier.
Starting at $143.95
T-5Y3GT-RCA Vacuum Tube - RCA 5Y3GT, Rectifier, Full Wave
Also known by US military identifier VT-197A. The 5Y3GT is a filamentary twin-diode designed for full-wave rectifier operation in power supplies that have d-c output current requirements up to approximately 125 milliamperes. RCA brand.
$34.90
T-12AX7-SET-EH_JJ Vacuum Tube - Tube Set, 12AX7 Set, One EH and One JJ
Package of 2
Two 12AX7s. One of each of the following:
  • JJ Electronic 12AX7
  • Electro-Harmonix 12AX7
$24.70
T-12AX7-SET_MINI Vacuum Tube - Tube Set, Mini 12AX7 Sampler, 5 Total
Package of 5
Five 12AX7s. One of each of the following:
  • 12AX7-S JJ Electronic
  • 12AX7A-C5 Ruby Tubes
  • 12AX7WA Sovtek
  • 12AX7 Electro-Harmonix
  • 12AX7 Tung-Sol

We reserve the right to substitute another tube if one is unavailable or out of stock.
$67.55
T-UM80 Vacuum Tube - UM80, Indicator, Electron Ray
Tuning indicator for AM receivers
$18.90
T-X201A Vacuum Tube - X201A, Triode, Globe, Long Pin
Triode, Globe, Long Pin
$54.10
T-EL84-SET Vacuum Tube Sampler Set - EL84, 9 tubes total
Package of 9
Sampler set of EL84 vacuum tubes. Contains one each of the following: Electro-Harmonix EL84, Genalex Gold Lion EL84, JJ Electronic EL84, Mullard Reissue EL84, Sovtek EL84, Tung-Sol EL84, JJ Electronic EL844, Sovtek EL84M, Tube Amp Doctor EL84
$139.15
T-12AX7-SET Vacuum Tube Set - 12AX7 Sampler, 10 total tubes
Package of 10
Ten 12AX7s. One of each of the following: JJ Electronic 12AX7, Mullard 12AX7, Tube Amp Doctor premium selected 12AX7, Ruby Tubes 12AX7, Sovtek 12AX7WA, JJ Electronic ECC803S, Chinese high-grade 12AX7B, Groove Tubes 12AX7, Electro-Harmonix 12AX7, Tung-Sol 12AX7
$139.94
T-JJ-STKPKG Vacuum Tube Set - JJ Electronics stock package, 43 tubes total
Package of 43
JJ Electronics Stock package includes 10 × E34L (2 quads, 1 pair), 10 × 6L6GC (2 quads, 1 pair), 6 × EL84 (1 quad, 1 pair), 4 × 6V6 (2 pairs), 10 × 12AX7-S, 2 × 12AT7, 1 × 5AR4. Price includes matching!
$627.95
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