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

This is a set of measured vacuum tubes for use in TV-7 vacuum tube tester calibration. The values for each vacuum tube will be measured and included for the purpose of calibrating your own TV-7 tester at home. Steps for this calibration can be found online. Three tubes will be included:
These tubes are tested at the following settings: Tube Filament Settings Bias Shunt Range 6L6 6.3 HS5-3481 23 0 D Tube Filament Settings Bias Shunt Range 6AU6 6.3 ET1-5672 16 0 B Tube Filament Settings Bias Shunt Range 12AT7 12.6 EV7-6080 10 0 C Note that brands are not guaranteed to match photograph.
- 6L6
- 6AU6
- 12AT7
These tubes are tested at the following settings: Tube Filament Settings Bias Shunt Range 6L6 6.3 HS5-3481 23 0 D Tube Filament Settings Bias Shunt Range 6AU6 6.3 ET1-5672 16 0 B Tube Filament Settings Bias Shunt Range 12AT7 12.6 EV7-6080 10 0 C Note that brands are not guaranteed to match photograph.
$75.00

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

The 10BQ5 is an output pentode designed for application in medium power hi-fi amplifiers. A pair of tubes in class AB, push-pull conventional operation yields an output of up to 17 watts at 4% distortion (without feedback).
$6.90
Combines a half-wave rectifier and a beam-power amplifier in the same envelope. It is designed for AC-DC service from a 117 volt line in three-way portable receivers.
$9.60
Heater, for unipotential cathode. 117 volts AC-DC.
$4.90
Full-wave rectifier designed for use in three-way portable receivers. Except for a common heater, the rectifier sections are separate, permitting the tube to be used as a full-wave or a half-wave rectifier, or as a voltage doubler.
$7.90

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.
$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.
$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
$4.90
Out of Stock

Heater-cathode type beam-power amplifier tube designed for use in the audio-output stage of ac or ac/dc receivers.
$4.90

Beam power tube of the 9-pin miniature type designed for use as the output amplifier in automobile radio receivers operating from a 12-volt storage battery. The 12AB5 can provide high power output.
$5.90

Miniature heptode primarily intended to perform the combined functions of mixer and oscillator in automobile radio receivers. Specially designed to operate with plate and screen voltages supplied directly from a 12-volt storage battery.
$3.90

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

Miniature pentode intended for use as a radio-frequency or intermediate frequency amplifier in automobile radio receivers. The tube is specially designed to operate with plate and screen voltages supplied directly from a 12-volt storage battery.
$3.90

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.
$3.90

Combines two independent diode units in the 7-pin miniature construction. Its high perveance permits high efficiency in either FM or AM detector service.
$7.90