# 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)

Our new-old-stock tubes were made by the major U.S. manufacturers, along with a small number of European manufacturers and are tested and guaranteed.

#### 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 - 50L6GT, Beam Power Amplifier
The 50L6GT is designed for service in the output stage of ac/dc receivers. It delivers a high power output with high power sensitivity from low supply voltages.
$9.90 Vacuum Tube - 12SQ7, Diode, Dual, Triode 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.$19.90
Vacuum Tube - 12BE6 / HK90, Heptode
Miniature pentagrid converter designed to perform simultaneously the combined functions of the mixer and oscillator in superheterodyne receivers. The tube is suitable for use in the standard broadcast and FM bands.
$7.90 Vacuum Tube - 50C5, Beam Power Amplifier Miniature beam pentode primarily designed for use in the audio-frequency power-output stage of radio receivers. The tube features high power sensitivity and high efficiency at relatively low plate and screen voltages$24.90
Vacuum Tube - 12AV6, Diode, Dual 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 - 6BE6 / EK90, Heptode Miniature heptode primarily designed to perform the combined functions of the mixer and oscillator in superheterodyne circuits in both the standard broadcast and FM bands.$6.90
Vacuum Tube - 35L6GT, Beam Power Amplifier
Beam pentode primarily designed for use in the audio frequency power output stage of radio receivers. Features include high power sensitivity and high efficiency at relatively low plate and screen voltages.
$8.90 Vacuum Tube - 6K6GT, Pentode, Power Amplifier The 6K6GT is an indirectly heated cathode type power amplifier pentode designed for service in the output stages of AC, AC/DC and storage battery operated receivers.$11.90
Vacuum Tube - 12SA7, Heptode
Pentagrid converter designed to minimize frequency drift. They are intended for service as combined oscillators and mixers in AC, storage battery, and AC/DC operated superheterodynes.
$8.90 Vacuum Tube - 1R5 / DK91, Heptode 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
Vacuum Tube - 6AJ8 / ECH81, Triode, Heptode
Triode-heptode for use in F.M., AM/FM, A.M, and television receivers.
$8.90 Vacuum Tube - 6SA7, Heptode Metal pentagrid converter. It is intended to perform the combined functions of the mixer and oscillator in superheterodyne receivers, especially those of the all-wave type. The 6SA7 is constructed to provide excellent frequency stability.$3.90
Vacuum Tube - 12AT7 / ECC81, Triode, Dual, HI-MU
The 12AT7 is a 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.
$14.90 Vacuum Tube - 19T8 / HABC80, Diode, Dual, Triode 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.$7.90
Vacuum Tube - 12BH7A, Triode, Dual, Medium MU
Miniature, medium-mu twin triode designed primarily for use as a vertical-deflection amplifier in television receivers. The two sections may be employed in parallel, or as a combined vertical-deflection amplifier and vertical oscillator.
$29.90 Vacuum Tube - 25L6GT / 25W6, Beam Power Amplifier, Tubular Glass Beam pentode designed for use in the audio-frequency power output stage of radio and television receivers. Features include high power sensitivity and high efficiency at relatively low plate and screen voltages.$6.90
Vacuum Tube - 1LA6, Heptode
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 Vacuum Tube - 12AU7A / ECC82, Triode, Dual, Medium MU Medium-mu twin triode intended for service in radio and television receivers or in audio amplifiers. The tube is suitable for use in a variety of stages, such as general-purpose amplifier, phase inverter, oscillator, or multivibrator.$22.90
Vacuum Tube - 6189 / 12AU7WA, Triode, Dual, Medium MU
Miniature medium-mu twin triode suitable for a wide variety of general-purpose amplifier, oscillator, and multivibrator applications.
$14.95 Vacuum Tube - 12DW7 / 7247, Dual Triode, GE Dissimilar double triode in the 9-pin miniature construction. It is especially suitable for applications requiring a high gain voltage amplifier and a cathodyne type phase-inverter.$24.95
Vacuum Tube - 12AT7WC, Triode, Dual, HF
Triode, Dual, HF
$14.90 Vacuum Tube - 50B5, Beam Power Amplifier Miniature beam-power amplifier designed primarily for use in the output stage of compact a-c/d-c receivers. The 50B5 features high power sensitivity and is capable of providing a relatively high power output$3.90
Vacuum Tube - 6L7, Heptode
Mixer tube designed for service with a separate oscillator as the first detector in superheterodyne receivers. The control grid is of the remote cut-off type which allows the use of AVC and minimizes cross-modulation.
$5.90 Vacuum Tube - 12SQ7GT, Diode, Dual, Triode 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.$19.90
Don't see what you're looking for? Send us your product suggestions!