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 Tube - 12J5GT, Triode, Medium-MU
General purpose medium-mu triode. It is useful for service as an oscillator or audio-frequency amplifier.
$5.90
Vacuum Tube - 6BC8 / 6BZ8, Dual Triode
Miniature, medium-mu, semi-remote cutoff twin triode intended for application as a VHF cascode amplifier in a television receiver.
$5.90
Vacuum Tube - 6Q7, Dual Diode, Triode
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.
$5.90
Vacuum Tube - 3A5 / DCC90, Dual Triode
The 3A5 is intended for use in high frequency applications. The relatively large filament employed in the 3A5 enables it to supply the high peak currents required in RF power applications.
$5.90
Vacuum Tube - 8SN7GTB, Dual Triode
Medium-mu triode intended for use as a combined vertical oscillator and vertical deflection amplifier in 450 mA. series heater operated television receivers.
$5.90
Vacuum Tube - 6AB4 / EC92, Triode
Miniature triode designed for use as a grounded-grid radio-frequency amplifier, frequency converter, or oscillator at frequencies below approximately 300 megacycles.
$5.90
Vacuum Tube - 12AL8, Triode, Tetrode
Power tetrode, medium-mu 9-pin miniature for use in automobile radio receivers operated directly from 12-volt storage batteries.
$5.90
Vacuum Tube - 6AV6 / EBC91, Dual Diode, Triode
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
$5.90
Vacuum Tube - 12B4A, Triode, Low MU
Miniature low-mu triode designed primarily for service as a vertical-deflection amplifier in television receivers. The tube features high plate current at relatively low plate voltages
$5.90
Vacuum Tube - 6K5GT, Triode, HI MU
Cathode type high mu triode designed for use in high gain resistance coupled circuits. A lower amplification factor enables the use of a large signal input both under 250 volt and 100 volt operating conditions.
$5.90
Vacuum Tube - 6FD7, Dual Triode, Dissimilar
Dissimilar section double triode intended to serve the combined functions of the vertical deflection oscillator and amplifier. It features the T-9 bulb with integral wafer base which fits the standard 9 pin miniature socket.
$5.90
Vacuum Tube - 6SQ7GT, Diode, Dual Triode
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
$5.90
Vacuum Tube - 12SC7, Dual Triode, HI-MU
The type 12SC7 is a twin-triode amplifier designed for use as an audio amplifier or phase inverter. Special shielding arrangement in the base permits operation at a low hum level.
$5.90
Vacuum Tube - 12AV6, Dual Diode, Triode
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.
$5.90
Vacuum Tube - 14B6, Dual Diode, Triode
Combined high-mu triode and double diode using the 8 pin lock-in construction. It is designed for use as a diode detector, AVC rectifier, and an impedance or resistance coupled amplifier.
$6.40
Vacuum Tube - 6GH8A, Triode, Pentode
Miniature tube which contains a sharp-cutoff pentode and a medium-mu triode. Each section has a separate cathode and is electrically independent.
$6.90
Vacuum Tube - 12AT6 / HBC90, Dual Diode, Triode
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.
$6.90
Vacuum Tube - 12SN7GT-A-B, Triode, Dual, Medium MU
Medium-mu twin triode suitable for use in a wide variety of general purpose amplifier and phase-inverter applications. Except for heater characteristics and ratings, the 12SN7GA-B is identical to the 6SN7GTB
$6.90
Vacuum Tube - 6C4 / EC90, Triode, Medium-MU
Miniature, medium-mu triode suitable for use in a wide variety of general purpose applications. It is especially useful as a local oscillator in high-frequency and very-high-frequency receiver circuits.
$6.90
Vacuum Tube - 6SQ7, Diode, Dual Triode
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.
$6.90
Vacuum Tube - 6DR7, Triode, Dissimilar Double
Double triode with dissimilar section in the 9 pin miniature construction. Section #1 has a high mu and is intended for use as a vertical deflection oscillator. Section #2 has a low mu and is designed for use as a vertical deflection amplifier
$6.90
Vacuum Tube - 6ES8 / ECC189, Dual Triode, Remote Cut-Off
Semi-remote cutoff double triode designed for use as a cascode VHF amplifier. It features extremely high gm, low capacitance, and low noise.
$6.90
Vacuum Tube - 12AV7, Twin Triode
Miniature, medium-mu twin triode for use as a radio-frequency amplifier or as a combined oscillator and mixer in VHF television receivers. It my also be used as an audio-frequency amplifier.
$6.90
Vacuum Tube - 6BV8, Dual Diode, Triode
Miniature duplex-diode medium-mu triode in which separate cathode and plate connections are provided for each diode section. The tube is intended primarily as a combined synchronous detector and chrominance amplifier in color television receivers.
$6.90