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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 - 12AT7 / ECC81, Triode, Dual, HI-MU
The 12AT7 is a miniature, high-mu, twin triode designed for use as a grounded-grid radio-frequency amplifier or as a combined oscillator and mixer at frequencies below approximately 300 megacycles.
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Vacuum Tube - 6201 / 12AT7WA, Dual Triode, HI-MU
Miniature high-mu twin triode each section of which has an individual cathode connection. The tube is especially suited for use as a grounded-grid amplifier or as a frequency converter at frequencies below approximately 300 megacycles.
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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-12AT7-MULVacuum Tube - 12AT7, Mullard Reissue

Mullard 12AT7 / ECC81 dual triode preamp tube. Made in Russia.


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T-12AU7-MULVacuum Tube - 12AU7, Mullard Reissue

Mullard 12AU7 / ECC82 dual triode preamp tube. Made in Russia.


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T-5751-TUNGVacuum Tube - 5751, Tung-Sol Reissue

Tung Sol 5751 dual triode preamp tube. Made in Russia. NOS specs call the 5751 a “special 12AX7” having a high-mu amplification factor of 70.


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T-12AY7-HG-TADVacuum Tube - 12AY7, Tube Amp Doctor, Highgrade

High grade tube. Tweed Up Your Amp! Vintage tone for original vintage Fender tweed amps. The original tube for all those Fender® tweed amps from the 50s. Brings back the original sound to your tweed amp.


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T-5751-PS-TADVacuum Tube - 5751, Tube Amp Doctor, Premium Selected

Low-noise Tube for Best Clean Tone! The TAD Selected 5751 is Tube Amp Doctor's first choice for noticeably improved clarity, smoothness, and a true vintage tone character for most guitar amps!


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Vacuum Tube - 19T8 / HABC80, Diode, Dual, Triode
Miniature tube containing three high-perveance diodes and a high-mu triode in the same envelope. One of the diodes has a separate cathode connection. The tube is designed for use as a combined AM and FM detector and audio-frequency amplifier.
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T-12BH7AVacuum Tube - 12BH7A, Triode, Dual, Medium MU
Miniature, medium-mu twin triode designed primarily for use as a vertical-deflection amplifier in television receivers. The two sections may be employed in parallel, or as a combined vertical-deflection amplifier and vertical oscillator.
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