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-12AU7A-EH Vacuum Tube - 12AU7A / ECC82, Electro-Harmonix
Electro-Harmonix 12AU7A / ECC82 Vacuum Tube Medium-Mu twin triode for use in preamplifier and driver circuits.
$13.95
T-12AU7A_ECC82 Vacuum Tube - 12AU7A / ECC82, Triode, Dual, Medium MU
Medium-mu twin triode intended for service in radio and television receivers or in audio amplifiers. The tube is suitable for use in a variety of stages, such as general-purpose amplifier, phase inverter, oscillator, or multivibrator.
$22.90
T-12AU7A-TAD Vacuum 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.
$16.75
T-12AU7A-ABB Vacuum Tube - 12AU7A, Amperex Bugle Boy, Dual Triode
GE Brand. Pentode amplifier having a sharp cut-off control characteristic using the miniature construction. With high transconductance, low grid-plate capacitance, it is intended for service as either an RF or AF amplifier.
$65.10
Out of Stock
T-12AU7A-MUL Vacuum Tube - 12AU7A, Mullard, Dual Triode
Amperex Bugle Boy brand. Miniature medium-mu twin triode intended for service in radio and television receivers or in audio amplifiers.
$99.90
Out of Stock
T-12AU7A-RCA-CT Vacuum Tube - 12AU7A, RCA, Dual Triode, Clear Top
Triode, Dual, RCA Brand, Clear Top
$69.90
T-12AU7A-RCA Vacuum Tube - 12AU7A, RCA, Triode, Dual
Triode, Dual, RCA Brand
$39.90
T-12AU7A-TEL Vacuum Tube - 12AU7A, Telefunken, Dual Triode
12AU7A - Triode, Dual, Telefunken Brand
$65.10
Out of Stock
T-12AV5GA Vacuum Tube - 12AV5GA, Tetrode, Beam Power
Telefunken Brand. Miniature medium-mu twin triode intended for service in radio and television receivers or in audio amplifiers.
$4.90
T-12AV6 Vacuum Tube - 12AV6, Diode, Dual Triode
Combines a high mu triode and two independent diode units in the 7-pin miniature construction. It permits a single tube to function as detector, AVC rectifier, and audio amplifier.
$5.90
T-12AV7 Vacuum Tube - 12AV7, Twin Triode
Miniature, medium-mu twin triode for use as a radio-frequency amplifier or as a combined oscillator and mixer in VHF television receivers. It my also be used as an audio-frequency amplifier.
$6.90
T-12AX7_ECC83-M Vacuum Tube - 12AX7 / ECC83, Mullard, Dual Triode
Mullard brand. Miniature high-mu twin triode each section of which has an individual cathode connection - especially suited for use in resistance-coupled voltage amplifiers, phase inverters, multivibrators, and industrial-control circuits.
$199.90
Out of Stock
T-12AX7-C-GT Vacuum Tube - 12AX7 C, Groove Tubes
9 pin miniature preamp tube (Amplification Factor = 100). This is the ubiquitous Chinese 12AX7 with added selection. The gain is high and the American "Groove Tubes" must be filtering out the noisiest ones. Great chiming tone with sweet, warm midrange excellent for Marshall® and Fender® amps. Smooth distortion characteristics and one of the highest-output preamp tubes in the GT 12AX7 line, with very consistent quality
$19.95
T-12AX7-GOLD-EH Vacuum Tube - 12AX7, Electro-Harmonix, Gold Pin
Electro-Harmonix 12AX7 dual triode tube with gold pins. Made in Russia. The 12AX7EH is a dual high mu triode with a spiral filament and special construction to minimize microphonic behavior. Ideal for replacement use in guitar amps and any place low noise and high gain is important.
$18.95
T-12AX7-GEN Vacuum Tube - 12AX7, Genalex Gold Lion, Standard
Genalex Gold Lion ECC83 (12AX7) dual triode preamp tube with standard pins. Made in China. The Genalex Gold Lion 12AX7/ECC83 Standard Pins is a low cost alternative to the Genalex Gold Lion B759/12AX7 Gold Pins. This tube has a short plate format for reduced microphonics and has been put through a special selection process to ensure low noise and good balance of gain between the two triode sections. Get Genalex Gold Lion quality at almost half the cost.
$24.75
T-12AX7-PV Vacuum Tube - 12AX7, Peavey
Peavey 'Super 7' 12AX7
$17.95
T-12AX7-TEL-R Vacuum Tube - 12AX7, Telefunken, Dual Triode, Ribbed Plate
Triode, Dual, Telefunken Brand - Ribbed Plate
$295.00
T-12AX7-TEL-S Vacuum Tube - 12AX7, Telefunken, Dual Triode, Smooth Plate
Triode, Dual, Telefunken Brand - Smooth Plate
$299.00
Out of Stock
T-12AX7-TUNG-X Vacuum Tube - 12AX7, Tung-Sol Reissue
Russian made reissue of the original Tungsol. The Ultimate 12AX7. Big, warm, and musical. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. Available with gold pins.
Starting at $14.95
T-12AX7-A Vacuum Tube - 12AX7-A, Triode, Dual, High MU
Miniature high-mu twin triode each section of which has an individual cathode connection - especially suited for use in resistance-coupled voltage amplifiers, phase inverters, multivibrators, and industrial-control circuits.
$59.95
T-12AX7-GOLD-GEN Vacuum Tube - 12AX7/B759, Genalex Gold Lion, Gold Pin
Genalex Gold Lion ECC83/B759 (12AX7) dual triode preamp tube with gold pins. Made in Russia. Original Genalex Gold Lion ECC83/B759 tubes are considered among the best 12AX7 types ever made. They are hard to find and when they are available, they are expensive. They exhibit a large detailed soundstage that is sought after by discerning audiophiles who demand the highest quality sound. The reissue Genalex Gold Lion ECC83/B759 recreates the sound signature of the original. This tube features balanced sections and gold plated pins.
$43.95
T-12AX7-CV4004-MUL Vacuum Tube - 12AX7/CV4004, Mullard
Mullard 12AX7 / CV4004 dual triode preamp tube. Made in Russa. The CV4004/12AX7 is a high gain, low noise valve with a short plate structure for reduced microphonics. Excellent for use in high gain Marshall pre-amplifier circuits where noise and microphonics can be a problem. Great for guitar amps.
$22.75
T-12AX7EH Vacuum Tube - 12AX7/ECC83, Electro-Harmonix
This Russian tube is full bodied and bright with a more straightforward presentation. It packs a lot of bite with its higher-than-normal gain. In overdrive, it offers a lot of crunchy fizz. High gain preamplifier tube with ultra low noise and detailed, musical tone. Unique spiral filament eliminates filament to cathode induced hum common on amplifiers that use AC on the filaments.
$13.75
T-12AX7EH-3 Vacuum Tube - 12AX7/ECC83, Electro-Harmonix, package of 3
Package of 3
This Russian tube is full bodied and bright with a more straightforward presentation. It packs a lot of bite with its higher-than-normal gain. In overdrive, it offers a lot of crunchy fizz.
$41.25
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