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.

Colors Available:
$1.55

The YJR is a direct plug-in replacement adapter for use in most amplifiers that use 5AR4/GZ34, 5U4, 5Y3 or similar full-wave rectifier tubes. The YJR converts your amp's vacuum tube rectifier to a solid state rectifier, reducing tube sag for a tighter sound and feel.
$14.95

0A2 or 150C2 - Voltage Regulator, Diode, miniature glow-discharge type.
$6.90

Voltage Regulator, Diode, Glow-Discharge type.
$6.90

The 0B2 is a two-electrode, inert-gas-filled cold cathode miniature tube intended for use as a voltage regulator.
$5.90

The 0C2 is a cold cathode, gas-filled diode of miniature construction designed for use as a voltage regulator.
$8.90
The 0C3-A is a two-element gas filled, cold cathode voltage regulator. It is designed to provide a regulated output of approximately 105 volts.
$6.90

The 0D3-A is a two-element gas filled, cold cathode voltage regulator. It is designed to provide a regulated output of approximately 150 volts.
$6.15

The 0Z4A is a gas-filled, double diode employing an ionic-heated cathode. Its principal application is as a full-wave power rectifier in equipment with vibrator type power supplies.
$3.90

Filament type power-amplifier pentode designed for use in the output stage of low drain battery operated equipment. The 1A5GT may be operated singly or in push-pull combination.
$4.90

Filament type pentagrid converter designed for service as a combined mixer and oscillator tube in low drain battery operated equipment.
$4.90

General purpose filament type triode designed for service in battery operated receivers. With the exception of capacitances its ratings and characteristics are identical with those of the 30.
$15.90

Tube containing a single diode and a high-mu triode in one bulb. It is designed for service as a diode detector, AVC rectifier, and as a resistance-coupled amplifier.
$3.90

Miniature type pentagrid converter designed for use in low drain battery operated receivers.
$99.90

Low-voltage, low-current drain battery type pentagrid converter. It is designed for service as an oscillator and mixer in superheterodyne receivers which require only 90 volts of "B" battery and a single dry cell "A" battery.
$11.90
Low-voltage, low-current drain, battery type power pentode. It is designed for service with 90 volts of "B" battery and a single dry cell "A" battery.
$11.90
Out of Stock

Filament-type pentagrid converter designed particularly for use in low drain battery-operated equipment. This tube will operate satisfactorily with only 45 volts B supply.
$4.90

Diode-audio pentode designed especially for service as a combined diode detector and pentode audio amplifier. The diode plate is located at the negative end of the filament.
$5.90

Low-voltage, low-current drain, battery type triode. It is designed for service as an oscillator, detector, or amplifier in receivers using 90 volts "B" battery and a single dry cell "A" battery.
$7.90

Tube combining a single diode and a high-mu triode in one bulb. It is designed for service as a diode detector, AVC rectifier, and as a resistance coupled amplifier.
$4.90

Sharp-cutoff pentode designed for use as a radio-frequency, intermediate frequency, or audio-frequency amplifier in battery operated receivers.
$6.25

Filamentary type sharp cut-off pentode voltage amplifier. It is designed for service in low-drain battery-operated receivers as an RF, IF, or AF amplifier.
$5.90

Low voltage, low current drain battery type beam power output tube. It is designed for services with 90 volts of "B" battery and a single dry cell "A" battery.
$4.90

Miniature pentagrid-converter designed for use as a combined mixer and oscillator in superheterodyne circuits. Because of its small size and high operating efficiency, the 1R5 is especially adapted for compact, battery-operated equipment.
$5.90