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 - 7F8, Dual Triode
Twin triode designed for use as a grounded-grid radio-frequency amplifier or as a frequency converter at frequencies up to 300 megacycles.
$11.90
Vacuum Tube - EL84 / N709, Genalex Gold Lion
Super Premium power pentode, highest quality in current production. Perfect for Vox AC30, from soft overdrive and organic sustain to great harmonic crunch. Used in many vintage HiFi applications.
  • Unique single halo type getter & plate coating
  • N709/6BQ5 equivalent
Starting at $41.95
Vacuum Tube - 12AF6, Pentode
Miniature pentode intended for use as a radio-frequency or intermediate frequency amplifier in automobile radio receivers. The tube is specially designed to operate with plate and screen voltages supplied directly from a 12-volt storage battery.
$3.90
Vacuum Tube - 41, Pentode, ST Glass
The 41 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.
$19.90
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
Partially Out of Stock
Vacuum Tube - 50A5, Tetrode, Beam Power
Beam power amplifier designed primarily for use in the output stage of a-c/d-c receivers. The 50A5 features high power sensitivity and high efficiency when operated at relatively low plate and screen voltages.
$4.90
Vacuum Tube - 6922, Genalex Gold Lion, Gold Pin
Genalex Gold Lion E88CC/6922 dual triode preamp tube with gold pins. Made in Russia. The Genalex Gold Lion E88CC/6922 is a premium grade selected small signal twin-triode that is a suitable replacement for all 6DJ8, ECC88, 6922, E88CC, and 7308 types. This tube features gold plated pins and is manufactured to extremely tight specifications, making it the highest quality current production E88CC/6922 available.
$68.70
Vacuum Tube - 6AQ6, Diode, Dual, Triode
Miniature double diode high mu triode designed for service as a combined first audio amplifier, detector, and AVC tube in radio receivers. However, the 6AQ6 employs a 150 mA heter.
$3.90
Vacuum Tube - 6BY5GA, Dual Rectifier
Full-wave vacuum rectifier for television damper service
$4.90
Vacuum Tube - 6C6, Pentode, Sharp Cut-Off
Triple grid general purpose detector amplifier. With the exception of capacitance, its electrical characteristics are identical with those of the 6J7G and 6J7GT.
$8.90
Vacuum Tube - 6CM6, Tetrode, Beam Power
Miniature beam power pentode designed for service as a general purpose audio power amplifier or vertical deflection amplifier in television receiver sweep circuits
$6.90
Vacuum Tube - 6FM7, Dual Triode, Dissimilar
Compactron dissimilar double triode designed for used as a combined vertical-deflection oscillator and amplifier in television receivers.
$4.90
Vacuum Tube - 6GV8 / ECL85 /ECL805, Triode, Pentode, Power
Combined triode and beam pentode especially intended for use in vertical output stage, particularly 110 degree picture tubes. Special attention has been paid to properties important for this application, such as microphonism and linearity.
$4.45
Vacuum Tube - 6J5GT, Triode, Medium MU
General-purpose triode designed for use as a detector, amplifier, or oscillator. Features include a relatively high transconductance and a medium amplification factor.
$22.95
Vacuum Tube - 6Q7GT, Dual Diode, Triode
Combines two diodes and a high-mu triode in a single envelope, using a common cathode. It is designed for service as a diode detector, AVC rectifier, and as a high gain resistance coupled amplifier
$7.85
Vacuum Tube - EL34B, Shuguang
The legendary Shuguang EL34B vacuum tube has returned. From pristine cleans to soaring leads, these octal based pentodes deliver dynamic range and reliability and are the perfect fit for any amplifier. Designed to excel in both vintage and contemporary amplifiers, the EL34B offers a harmonically rich sound that breathes life into your music. From sparkling cleans to saturated overdrive tones, these tubes provide a dynamic range that captivates listeners and inspires performers. Engineered for durability and consistency, the Shuguang EL34B tube ensures reliable performance even under the most demanding conditions. Whether you're tracking in the studio or rocking the stage, you can trust these tubes to deliver unparalleled tone and reliability every time.
Starting at $23.95
Vacuum Tube - 12SK7GT, Pentode, Remote Cut-Off, RF
Single ended cathode type super control pentode primarily designed for amplifier service in radio or intermediate frequency circuits. In properly designed superheterodyne circuits it may also be used as a mixer tube.
$6.90
Vacuum Tube - 2050, Thyratron, ST Shape
Xenon filled four electrode thyratron with negative control characteristic. This tube is designed for relay applications for grid-controlled rectifier service.
$19.90
Vacuum Tube - 25L6, Beam Power Amplifier, Metal
Power-amplifier tube of the all-metal type for use in the output stage of transformerless (ac/dc) radio receivers, especially those designed to have ample reserve of power-delivering bilities.
$4.98
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Originally: $9.95
Vacuum Tube - 25Z6GT, Dual Rectifier
Heater-cathode type full-wave high-vacuum rectifier doubler tube designed for use in the power supply of a-c or a-c/d-c receivers. Eletrically the 25Z5, 25Z6, and 25Z6GT are identical.
$5.90
Vacuum Tube - 27, Triode, ST Glass
Three-electrode general purpose tube of the heater-cathode type for use as an amplifier and detector in a-c receivers.
$15.25
Vacuum Tube - 2A3, JJ Electronics
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 $179.95
Vacuum Tube - 6021, Dual Triode
Subminiature medium-mu twin triode for use in general purpose amplifier applications. Each section has an individual cathode and is electrically independent.
$7.90
Vacuum Tube - 6CK4, Triode
Low-mu triode designed for use as the vertical deflection amplifier in television receivers.
$12.90