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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 - 6AU6A / EF94, Pentode, Sharp Cut-Off
Miniature sharp cutoff pentode primarily designed for use as a high-gain radio-frequency or intermediate-frequency amplifier. Its low grid-plate capacitance and high transconductance make it especially suited for high-frequency wide-band applications
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T-12AU7A-EHVacuum Tube - 12AU7A / ECC82, Electro-Harmonix

Superior medium-Mu Twin Triode for use in preamplifier and driver circuits. Standard replacement for all circuits requiring 12AU7/ECC82 types.


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T-5U4GB-EHVacuum Tube - 5U4GB, Electro-Harmonix

Superior directly heated rectifier Diode. Replacement for all 5U4 types, including NOS-style "big bottle" tubes.


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T-12AY7-EHVacuum Tube - 12AY7 / 6072A, Electro-Harmonix

Electro-Harmonix 12AY7/6072 Twin triode preamplifier tube used in Fender Tweed amplifiers.


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T-6V6GT-CHINAVacuum Tube - 6V6GT, Chinese

Chinese 6V6GT Available in Singles, Matched Pairs or Matched Quads - please select from list.


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Vacuum Tube - 35W4, Rectifier, Half Wave
Miniature half-wave rectifier for use in line-operated equipment having series-connected heaters. The heater is tapped to permit operation of a panel lamp.
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T-5Y3GT-SOVTVacuum Tube - 5Y3GT, Sovtek

Octal rectifier tube (Max DC output current = 125 mA) An indirectly heated diode intended for rectification of commercial-frequency alternating current. It has a 140 mA maximum output and filament voltage of 5 V and a filament current of 2 A ± 0.2 mA.


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T-12BH7-A-JJVacuum Tube - 12BH7-A, JJ Electronics

The JJ Electronic 12BH7-A is a faithful reproduction of the original tube. Its rugged construction offers high reliability. The JJ 12BH7-A can be used as a replacement for any 12BH7 tube.


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P-YJRSolid State Rectifier - Yellow Jackets® YJR, For 5AR4, 5U4, 5Y3

The YJR is a direct plug-in replacement adapter for use in most amplifiers that use 5AR4/GZ34, 5U4, 5Y3 or similar full-wave rectifier tubes. The YJR converts your amp's vacuum tube rectifier to a solid state rectifier, reducing tube sag for a tighter sound and feel. The tube rectifier can easily be swapped back in when sag is desired. This Yellow Jacket® is a solid state device and as such does not come with vacuum tubes.



  • Converts most audio amplifiers which use a vacuum tube rectifier 5AR4/GZ34, 5U4 or 5Y3 to a solid state device.
  • Safe for all common amplifiers and transformers.


All Yellow Jackets® have a one year warranty against manufacturer defects.


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T-12AX7WA-SOVTVacuum Tube - 12AX7WA, Sovtek

9 pin miniature preamp tube (Amplification Factor = 100). This Russian tube has strong lows and bright highs. Its lows demand attention when playing full bar chords. In overdrive, it offers a lot of crunchy fizz.


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