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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.

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Vacuum Tube - 25CD6G, Beam Pentode

New Old Stock (N.O.S.) tube. 25CD6GB is identical to the 6CD6GA except with different heater ratings. Beam power tube, octal base.


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Vacuum Tube - 930, Photocell, Sound

New Old-Stock (N.O.S.) tube. The 930 is a gas phototube sensitive to red through infrared light.


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Vacuum Tube - 7189, Pentode, Beam
New Old-Stock (N.O.S.) tube.

The 7189 is a power-amplifier pentode designed for use in the audio-frequency power output stage of television and radio receivers and high-fidelity amplifiers.
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T-12AX7-SET-EH_JJVacuum Tube - Tube Set, 12AX7 Set, One EH and One JJ
Two 12AX7s. One of each of the following:

  • JJ Electronic 12AX7
  • Electro-Harmonix 12AX7
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T-12AX7-SET_MINIVacuum Tube - Tube Set, Mini 12AX7 Sampler, 5 Total

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.


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T-12AX7-SETVacuum Tube Set - 12AX7 Sampler, 10 total tubes

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


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T-12AX7A-CHINAVacuum Tube - 12AX7A, China

9 pin miniature preamp tube (Amplification Factor =100). This is the Chinese 12AX7A. The 12AX7A is a lower noise version of the 12AX7.


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T-EL84-SETVacuum Tube Sampler Set - EL84, 9 tubes total

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


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T-7581A-TUNGVacuum Tube - 7581A, Tung-Sol Reissue

Rated for more power than the standard 7581 (35W plate dissipation vs 30W plate dissipation).


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Vacuum Tube - 6AG7 / 6AK7, Pentode, Power

Metal, power-amplifier pentode primarily designed for use in the output stage of video amplifiers. The tube is capable of operating at high plate current levels and exhibits high transconductance and high power sensitivity.


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