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.
Filament type power-amplifier pentode designed for use in the output stage of low drain battery operated equipment. The 1A5GT may be operated singly or in push-pull combination.
$4.90
Low-voltage, low-current drain, battery type power pentode. It is designed for service with 90 volts of "B" battery and a single dry cell "A" battery.
$11.90
Diode-audio pentode designed especially for service as a combined diode detector and pentode audio amplifier. The diode plate is located at the negative end of the filament.
$5.90
Sharp-cutoff pentode designed for use as a radio-frequency, intermediate frequency, or audio-frequency amplifier in battery operated receivers.
$6.25
Filamentary type sharp cut-off pentode voltage amplifier. It is designed for service in low-drain battery-operated receivers as an RF, IF, or AF amplifier.
$5.90
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.
$3.55
Miniature remote-cutoff pentode designed for use as a radio-frequency or intermediate frequency amplifier in compact, battery-operated equipment.
$4.90
Miniature, filamentary, sharp-cutoff pentode intended for radio frequency or intermediate frequency amplifier use in battery-operated receivers.
$6.90
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.
$6.90
The JJ Electronic 2A3 features a robust construction in a beautiful thick glass envelope. The JJ 2A3 offers 40 Watts of plate dissipation which far surpasses the headroom of other 2A3 tubes by 25 Watts. The single plate build and increased ratings give this tube the highest reliability. The JJ 2A3 has amazing detail and clarity with excellent separation.
Starting at $129.95
Electro-Harmonix 2A3 power triode tube with gold pins. Made in Russia. Gold plated grid.
Starting at $70.50
Three-electrode, high-vacuum type of power amplifier tube for use in the power-output stage of a-c operated receivers. The exceptionally large power-handling ability of the 2A3 is the result of its design features.
$129.30
Out of Stock
Sovtek 2A3 power triode tube. Made in Russia.
Super 2A3.
Super 2A3.
Starting at $56.50
Type 2A5 is a pentode amplifier designed for application in power output stages of receivers. With the exception of heater ratings, their electrical characteristics are identical.
$21.90
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
The type 3Q4 is a miniature type power-amplifier pentode designed for use in the output stage of battery operated equipment.
$2.95
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Originally: $5.90
Filamentary type power output pentode in the miniature construction. It is characterized by economy of filament power and ability to perform well at low plate supply voltages such as encountered in portable equipment.
$4.90
Miniature power amplifier pentode designed for use in the power output stage of compact, battery operated equipment. It is particularly useful in three-way portable receivers which employ 90-volta batteries.
$8.90
Beam power amplifier designed for service in the output stage of 600mA series heater operated TV receivers. It has high power sensitivity and high power output with comparatively low supply voltage.
$9.90
Filament type triode power amplifier designed for service in the output stage of audio amplifiers where high output and low harmonic distortion are desired. Its ratings and characteristics are similar to those of the 2A3 and 6B4G.
$59.90
Out of Stock
High transconductance semi-remote cut-off amplifier tube designed for television RF and IF amplifier service. Precautions should be taken not to exceed dissipation rating with expected line-voltage fluctuations, especially with fixed-bias operation.
$3.45
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Originally: $6.90