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.
Combines two diode units and a high-mu triode in a single envelope. Each section uses a common cathode. It is intended for service as a combined detector, AVC source, and high gain audio amplifier.
$17.71
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Originally: $19.90

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.
$5.25
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Originally: $5.90

Miniature duplex-diode, high-mu triode intended primarily for use as a combined detector, amplifier, and automatic-volume-control tube in radio receivers. The triode section incorporates a high amplification factor
$5.25
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Originally: $5.90

The 6AL5 combines two independent diode units in the 7 pin miniature construction. Its high perveance permits high efficiency in either FM or AM detector service.
$4.36
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Originally: $4.90

Miniature diode sharp-cutoff pentode designed for use as a combined detector, audio-frequency amplifier, and automatic-volume-control tube in compact, battery-operated receivers.
$6.14
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Originally: $6.90

Metal duplex-diode high-mu triode. It is intended primarily for use as a combined detector, amplifier, and automatic-volume-control tube in radio receivers.
$6.14
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Originally: $6.90

0A2 or 150C2 - Voltage Regulator, Diode, miniature glow-discharge type.
$6.14
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Originally: $6.90

Twin-diode with individual cathodes brought out to separate base pins. The 6H6 is designed for service as a diode detector, automatic volume control rectifier, or as a low current power rectifier
$4.36
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Originally: $4.90

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

Duplex-diode high-mu triode designed for use as a combined detector, automatic-volume-control rectifier and audio amplifier in a-c, a-c/d-c, or automobile receivers.
$15.04
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Originally: $16.90

Miniature tube containing three high-perveance diodes and a high-mu triode in the same envelope. One of the diodes has a separate cathode connection. The tube is designed for use as a combined AM and FM detector and audio-frequency amplifier.
$7.03
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Originally: $7.90

Miniature, duplex-diode, high-mu triode designed for use as a combined detector, amplifier, and automatic-volume-control tube
$3.47
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Originally: $3.90

The 0B2 is a two-electrode, inert-gas-filled cold cathode miniature tube intended for use as a voltage regulator.
$5.25
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Originally: $5.90

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.
$3.47
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Originally: $3.90

Miniature, high mu triode, double diode intended for application in color and monochrome television receivers. Separate cathode connections for each section and controlled heater warm-up time to insure dependable operation in series string receivers
$7.97
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Originally: $8.95

Combines two diodes and a high-mu triode using a common cathode. It is designed for service as a diode detector, AVC rectifier, and as a high gain resistance coupled amplifier in AC, storage battery, and AC - DC operated receivers.
$5.25
Save 11%
Originally: $5.90

Combines two diode units and a high-mu triode in a single envelope. Each section uses a common cathode. It is intended for service as a combined detector, AVC source, and high gain audio amplifier.
$17.71
Save 11%
Originally: $19.90

Triple diode triode for F.M. or FM/AM broadcast receivers and for video and audio signal detection in television receivers.
$13.26
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Originally: $14.90
Out of Stock

Duplex-diode high-mu triode intended primarily for use as a combined detector, amplifier, and automatic-volume-control tube in radio receivers. The triode section incorporates a high amplification factor
$5.25
Save 11%
Originally: $5.90

Double diode remote cut-off pentode for use as an R.F. or I.F. amplifier.
$6.14
Save 11%
Originally: $6.90

Combines two independent diode units in the 7-pin miniature construction. Its high perveance permits high efficiency in either FM or AM detector service.
$7.03
Save 11%
Originally: $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.
$4.36
Save 11%
Originally: $4.90

Miniature tube containing a diode and a sharp-cutoff pentode. It is designed for use as a combined detector and audio-frequency voltage amplifier in compact battery-powered equipment.
$3.16
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Originally: $3.55

Twin-diode with individual cathodes brought out to separate base pins. The 6H6 is designed for service as a diode detector, automatic volume control rectifier, or as a low current power rectifier
$4.36
Save 11%
Originally: $4.90