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.

Tube Amp Doctor (TAD)

TAD is a German company established in 1993 which selects and matches electronic tubes and manufactures musical instrument accessories.

New Old Stock (NOS)

Our new-old-stock tubes were made by the major U.S. manufacturers, along with a small number of European manufacturers and are tested and guaranteed.

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-6B4G Vacuum Tube - 6B4G, Triode, Power Amplifier
Glass triode power amplifier tube designed particularly for service in the power output stages of storage battery operated or a-c receivers
$47.39
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Originally: $52.65
T-6DJ8_ECC88-A Vacuum Tube - 6DJ8 / ECC88, Dual Triode, Amperex Bugle Boy Brand
Frame grid double triode of miniature construction with high transconductance and low noise, designed for service in television receiver VHF cascode RF amplifiers, IF amplifiers, and phase inverter stages.
$47.16
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Originally: $52.40
Out of Stock
T-6SN7GT-BROWN Vacuum Tube - 6SN7GT, Dual Triode, Medium MU, Brown Base
Dual Triode, Medium MU, Brown Base
$46.94
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Originally: $52.15
Out of Stock
T-8233_E55L Vacuum Tube - 8233 / E55L, Pentode, Power Amplifier
Special quality pentode designed for use as a wide band output tube.
$46.53
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Originally: $51.70
Out of Stock
T-EL84_6BQ5-RCA Vacuum Tube - EL84 / 6BQ5, RCA, Pentode, Power
The EL84 is an output pentode rated for 12W anode dissipation, primarily intended for use in a.c. mains operated equipment.
$46.22
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Originally: $51.35
T-12AT7_ECC81-A Vacuum Tube - 12AT7 / E81CC, Amperex Bugle Boy, Twin Triode
Amperex Bugle Boy Brand. 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.
$45.41
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Originally: $50.45
T-12AT7_ECC81-M Vacuum Tube - 12AT7 / E81CC, Mullard, Triode
Mullard Brand. 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.
$45.41
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Originally: $50.45
Out of Stock
T-12AT7_ECC81-T Vacuum Tube - 12AT7 / E81CC, Telefunken, Triode
Telefunken brand. 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.
$45.41
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Originally: $50.45
Out of Stock
T-6KD6 Vacuum Tube - 6KD6, Beam Power Amplifier
Compactron beam-power pentode primarily designed for use as the horizontal-deflection amplifier in color television receivers. It is characterized by having a very low knee with a very high peak current of over an ampere.
$45.00
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Originally: $50.00
T-5751 Vacuum Tube - 5751, Triode, Dual, HI-MU
Miniature high-mu twin triode each section of which as an individual cathode connection suited for use in resistance-coupled voltage amplifiers, phase inverters, multivibrators, andindustrial-control circuits where high voltage gain is desired.
$44.96
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Originally: $49.95
T-6267_EF86 Vacuum Tube - 6267 / EF86, Pentode, Sharp Cut-Off
Pentode intended for use as A.F. amplifier.
$44.96
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Originally: $49.95
T-6922_E88CC Vacuum Tube - 6922 / E88CC, Triode, Dual
DC-AC heating twin triode
$44.96
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Originally: $49.95
T-1641_RK60 Vacuum Tube - 1641 / RK60, Rectifier, Full Wave
1641/RK60 - Rectifier, Full Wave
$44.96
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Originally: $49.95
Out of Stock
T-6550A-STR-TAD-X Vacuum Tube - 6550A-STR, Tube Amp Doctor, Premium Selected
The Tube Amp Doctor 6550A-STR is built and performs to the same standards as the highly sought after GE 6550A. TAD has meticulously designed the plate material to be as strong and pure as possible resulting in an exceptionally stable, consistent, and reliable 6550. The TAD 6550A features a thick straight glass envelope, a metal base, and an authentic triple getter. The frequency response of this tube is remarkably balanced and smooth. Transparent natural lows and thick rich mids with silky highs make this an excellent tube for HiFi equipment as well as classic bass guitar amplifiers. The Tube Amp Doctor 6550A-STR offers outstanding performance in all applications. This tube is matched for both plate current and transconductance. The TAD 6550A-STR also passes all of the tests required in the Premium Selection process.
Starting at $44.96
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Originally: $49.95
T-12AY7 Vacuum Tube - 12AY7, Triode, Dual
Miniature medium-mu twin triode designed primarily for use in low-level stages of high-gain audio-frequency amplifiers. The tube is specially designed to exhibit low noise and low microphonic output.
$44.91
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Originally: $49.90
T-6681_12AX7A Vacuum Tube - 6681 / 12AX7A, Triode, Dual
Miniature high-mu twin triode especially suited for use in resistance-coupled voltage amplifier, phase inverters, multivibrators, and other applications in which high voltage gain is desired.
$44.91
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Originally: $49.90
Out of Stock
T-5687-TS Vacuum Tube - 5687, Tung-Sol, Dual Triode
Triode, Dual, Tung-Sol Brand
$44.91
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Originally: $49.90
Out of Stock
T-6084_E80F Vacuum Tube - 6084 / E80F, Pentode
Special quality pentode designed for use as an amplifier
$44.91
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Originally: $49.90
T-6087 Vacuum Tube - 6087 / 5Y3WGTB, Rectifier, Full Wave
Full-wave high-vacuum rectifier for use in power supplies of moderate current requirements. The tube incorporates a unipotential cathode which is internally connected to the filament.
$44.91
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Originally: $49.90
T-6JG6A Vacuum Tube - 6JG6A, Beam Power Amplifier
Beam power tube with separate grid-no.3 base-pin terminal for "snivets" control. It is designed for horizontal-deflection-amplifier service in Low-B+ black-and-white TV receivers.
$44.91
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Originally: $49.90
T-809 Vacuum Tube - 809, Triode, Power Amplifier
Transmitting triode
$44.91
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Originally: $49.90
T-7534_E130L Vacuum Tube - 7534 / E130L, Pentode
Special quality tube designed for use as a wide band amplifier, cathode follower, series regulator tube for stabilized DC supply and output tube.
$44.91
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Originally: $49.90
Out of Stock
T-4H4C-BT Vacuum Tube - 4H4C, Ballast Tube
$44.91
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Originally: $49.90
T-KT88-STR-TAD-X Vacuum Tube - KT88-STR, Tube Amp Doctor, Premium Selected
The Tube Amp Doctor KT88-STR is build just like the original tube with its thick curved glass envelope and metal base. The similarities don’t stop with its attractive appearance. This KT88 offers a lively and dynamic tone that is ideal in both HiFi audio amplifiers and high wattage guitar / bass amps. The sound of the TAD KT88 is pleasantly warm at all frequencies with detailed mids, articulate and nuanced highs, and harmonically rich and natural lows. The linear response is excellent. The TAD KT88-STR is matched for both plate current and transconductance and passes all of the tests of the TAD Premium Selection process.
Starting at $44.06
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Originally: $48.95
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