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.
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.
New-Old-Stock (NOS) tube. Compactron twin-triode pentode.
$7.16
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Originally: $8.05

Semi-remote cutoff triode in the 7 pin miniature construction. It is designed for use as a VHF and RF amplifier at a B+ of 135 volts.
$3.45
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Originally: $6.90

Neutrode triode tuner in the 7 pin miniature construction. It is designed for use in grounded cathode RF amplifiers, with the neutrode construction providing a lower grid to plate capacitance with consequent ease of neutralization.
$2.95
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Originally: $5.90

Duplex-diode high-mu triode in which separate cathodes are provided for the diode and triode sections. The tube is primarily intended for service as a combined horizontal phase detector and reactance tube in television receivers.
$2.45
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Originally: $4.90

Twin medium-mu triode whose sections are electrically independent except for the common heater. It is designed especially for use in equipment where the operating voltages are obtained from a 12 cell storage battery
$14.95
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Originally: $29.90

Miniature type used as a vertical deflection oscillator or af amplifier and vertical deflection amplifier or af power amplifier in television receivers. Requires miniature 9-contact socket.
$6.36
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Originally: $7.15

Miniature type used in combined vertical-deflection-oscillator and vertical-deflection-amplifier applications in black and white television receivers. Requires miniature 9-contact socket.
$8.81
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Originally: $9.90

Miniature, medium-mu triode intended primarily for use as a vertical-deflection amplifier in television receivers. The tube features high plate current at low plate voltages
$4.36
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Originally: $4.90

Twin diode, medium-mu triode. 7-pin miniature type for use in automobile-radio receivers operating directly from 12-volt storage batteries.
$4.36
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Originally: $4.90

Miniature double didoe, high-mu triode intended for use as a second detector audio amplifier. It is designed for operation where the heater and plate voltages are supplied directly from a 12-volt automotive storage battery.
$3.47
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Originally: $3.90

Power tetrode, medium-mu 9-pin miniature for use in automobile radio receivers operated directly from 12-volt storage batteries.
$5.25
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Originally: $5.90

Combined high-mu voltage amplifier and double-diode detector using the 7-pin miniature construction. It is intended to provide output voltage adequate for full-power output of most beam-power tubes.
$6.14
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Originally: $6.90

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.
$44.90
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Originally: $50.45

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.
$44.90
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Originally: $50.45
Out of Stock

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.
$44.90
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Originally: $50.45
Out of Stock

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.
$57.94
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Originally: $65.10
Out of Stock

New-Old-Stock (NOS) tube
12AU7A - Triode, Dual, Mullard Brand
12AU7A - Triode, Dual, Mullard Brand
$88.91
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Originally: $99.90
Out of Stock

12AU7A - Triode, Dual, Telefunken Brand
$57.94
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Originally: $65.10
Out of Stock

Triode, Dual, Telefunken Brand - Ribbed Plate
$262.55
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Originally: $295.00

Triode, Dual, Telefunken Brand - Smooth Plate
$266.11
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Originally: $299.00
Out of Stock

12AX7A - Triode, Dual, Amperex Bugle Boy Brand
$169.01
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Originally: $189.90
Out of Stock

Medium-mu general-purpose triode designed for use as an amplifier, an oscillator, or a detector. Except for heater ratings, the 12J5 is identical to the 6J5.
$6.54
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Originally: $7.35

General purpose medium-mu triode. It is useful for service as an oscillator or audio-frequency amplifier.
$5.25
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Originally: $5.90