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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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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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T-5AR4-TUNGVacuum Tube - 5AR4, Tung-Sol Reissue
Tung Sol 5AR4 rectifier tube. Made in Russia. Premium directly heated heavy duty rectifier Diode. Helps extend the life of the other valves in the amplifier by allowing them to heat up before plate voltage is applied. Tung-Sol tubes reflect the best in vintage construction with unsurpassed tone and reliability.

  • Low internal voltage drop & controlled heater warm up time
  • Excellent choice for both Hifi and instrument amplification
  • Replacement/upgrade for all 5AR4/GZ34 types
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T-KT66-TAD-XVacuum Tube - KT66, Tube Amp Doctor, Premium Selected

The Tube Amp Doctor KT-66 is an incredible remake of the classic British tube. With its large glass envelope contoured by smooth curves tapering into a rounded brown base, the TAD KT-66 not only looks like the original, it performs like the original. This KT66 offers plenty of headroom for a thick full bodied sound with smooth yet articulate highs. The KT-66 is famously used in vintage British plexi amps and makes a great replacement for that style of amplifier and many others. The TAD KT66 is matched for both plate current and transconductance and passes all of the tests of the TAD Premium Selection process. The TAD KT-66 can be used in any KT-66 position as well as 6L6GC and 5881 amps that can supply the required 1.27A for the heater.


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Vacuum Tube - 6AQ5A / 6HG5, Tetrode, Beam Power
Miniature beam-power pentode designed for use in the audio-frequency power output stage of television and radio receivers. It may also be used as a triode-connected vertical deflection amplifier in television receivers.
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T-811A-CHINA-XVacuum Tube - 811A, Triode, Power Amplifier, China

Chinese 811A Available in Singles or Matched Pairs - please select from list.


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Vacuum Tube - 6C4 / EC90, Triode, Medium-MU
Miniature, medium-mu triode suitable for use in a wide variety of general purpose applications. It is especially useful as a local oscillator in high-frequency and very-high-frequency receiver circuits.
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Vacuum Tube - 6BA6 / EF93, Pentode, Remote Cut-Off
Miniature remote-cutoff pentode primarily designed for use as a high-gain radio-frequency or intermediate-frequency amplifier. Features include small size, low grid-plate capacitance, and high transconductance
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Vacuum Tube - 6X5GT / EZ35, Rectifier, Full Wave
Cathode type rectifier designed particularly for use in automobile receivers.
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T-12BH7-EHVacuum Tube - 12BH7, Electro-Harmonix

Superior medium-mu twin triode driver tube for hifi use. 3.5 watts dissipation per plate. New design of excellent quality


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T-12AU7A-TADVacuum Tube - 12AU7A / ECC82, Tube Amp Doctor, Premium Selected

The Perfect Choice for Stereo Audio Applications - Ideal as a Balanced Driver. Latest revision providing great musical performance and rich tone. This TAD 12AU7A / ECC82 has especially strong systems which are selected to provide two symmetric triodes. The perfect choice for stereo audio applications and ideal as a balanced driver.


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