# 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.
Vacuum Tube - 3A4, Pentode, Power Amplifier
The 3A4 is designed for use in compact, lightweight, portable equipment. The relatively large filament employed in the 3A4 enables it to supply the high peak currents required in RF power applications.
$5.90 Vacuum Tube - 4-125A / 4D21, Tetrode, Power Amplifier The 4D21 / 4-125A is a four-electrode tube designed for use as a power amplifier and oscillator. The anode is capable of dissipating 125 watts, and cooling is accomplished by radiation.$139.90
Vacuum Tube - 40KG6A / PL519, Beam Power Amplifier
Magnoval type used as a horizontal-deflection amplifier in color television receivers.
$21.95 Vacuum Tube - 42, Pentode, Power Amplifier, ST Glass 42 is a pentode amplifier designed for application in power output stages of receivers Starting at$15.80
Vacuum Tube - 42KN6, Beam Power Amplifier
Horizontal deflectoin amplifier
$12.90 Vacuum Tube - 46, Dual Grid, Power Amplifier, ST Glass Filament type double grid power amplifier tube. It is especially designed for class B operation to give a large amount of undistorted power output.$34.75
Vacuum Tube - 49, Dual Grid, Power Amplifier
Dual grid power tube designed for use in a class A or class B output stage.
$13.90 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 - 50EH5, Pentode, Power Amplifier
Miniature power pentode primarily designed for use in the audio-frequency power output stage of radio receivers and phonographs. The tube features high power sensitivity at low plate and screen voltages.
$5.90 Vacuum Tube - 6146, Beam Power Amplifier Beam pentode designed for use as a radio-frequency power amplifier and oscillator or as an audio frequency power amplifier and modulator in mobile or fixed equipment. Featuring high power sensitivity and high efficiency$28.70
Vacuum Tube - 6146A, Beam Power Amplifier
Small, sturdy, beam power tube having a high efficiency and high power sensitivity. It is designed for use as an rf power amplifier and oscillator as well as an af power amplifier and modulator in both mobile and fixed equipment.
$34.90 Vacuum Tube - 6293, Beam Power Amplifier Small, sturdy, beam power amplifier tube intended for pulse modulator service in both fixed and mobile equipment.$59.90
Out of Stock
Vacuum Tube - 6384, Beam Power Amplifier
High-perveance beam power amplifier designed as a direct retrofit for the 6AR6 or 6098 in aircraft, military, and industrial applications
$99.90 Vacuum Tube - 6689 / E83F, Pentode, Wide Band Amplifier Special quality pentode designed for use in telephone equipment.$19.95
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Originally: $39.90 Vacuum Tube - 6883B / 8552, Beam Power Amplifier Beam power tube - high power sensitivity RCA "Dark Heater" with 12 to 15 volt range.$19.90
Vacuum Tube - 6A5G, Triode, Power Amplifier
6A5G is a heater type power amplifier triode designed for the same service as types 6A3 and 6B4G. The tube is equipped with an octal base. This tube is quite free from hum so that no potentiometer is required for hum balance.
$99.90 Vacuum Tube - 6AC5G, Triode, Power Amplifier High-mu power output triode designed for service in dynamic coupled circuits using a type 76, 6P5GT/G or 6J5GT/G as a driver. Two 6AC5Gs may be used as a zero bias class B amplifier.$27.55
Vacuum Tube - 6AC5GT, Triode, Power Amplifier
High-mu power output triode designed for service in dynamic coupled circuits using a type 76, 6P5GT/G or 6J5GT/G as a driver. Two 6AC5GTs may be used as a zero bias class B amplifier.
$12.90 Vacuum Tube - 6BG6G-GA, Beam Power Amplifier Beam-power pentode designed primarily for use as the horizontal deflection amplifier in television receivers. Electrically and physically, the 6BG6GA is a replacement for the 6BG6G$11.90
Vacuum Tube - 6CB5A, Beam Power Amplifier
High perveance beam power pentode in a T-12 glass envelope. It is designed especially for use as a horizontal-deflection amplifier in color television receivers. The 6CB5A is unilaterally interchangeable with the 6CB5.
$29.90 Vacuum Tube - 6F6G, Pentode, Power Amplifier Pentode amplifier designed for application in power output stages of receivers$59.90
Vacuum Tube - 6F6GT, Pentode, Power Amplifier
Pentode amplifier designed for application in power output stages of receivers
$27.90 Vacuum Tube - 6GK6, Beam Power Amplifier General-purpose power pentode that may be used either in audio output amplifier or video power output amplifier stages of television receivers.$10.90
Vacuum Tube - 6GM5, Beam Power Amplifier
The 6GM5 is an audio power amplifier
\$29.90
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