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 - 5X4G, Rectifier, Full Wave
The 5X4 is designed for service as a power rectifier in AC operated receivers which require high currents
$12.90
Vacuum Tube - 5Y3G, Rectifier, Full Wave
Full-wave vacuum rectifier.
$29.45
Out of Stock
Vacuum Tube - 5Y3GT, Rectifier, Full Wave
Filamentary twin-diode designed for full-wave rectifier operation in power supplies that have D-C output current requirements up to approximately 125 milliamperes.
$29.45
Vacuum Tube - 5Y3GT, Sovtek
Octal rectifier tube (Max DC output current = 125 mA) An indirectly heated diode intended for rectification of commercial-frequency alternating current. It has a 140 mA maximum output and filament voltage of 5 V and a filament current of 2 A ± 0.2 mA.
$30.05
Vacuum Tube - 5Y3GT, Tube Amp Doctor, Premium Selected, Rectifier
The Tube Amp Doctor 5Y3GT / 6087 is a small bottle rectifier designed to perform closely to the original rectifier tubes used in many 1950s tweed amplifiers. This rectifier offers high reliability due to its rugged construction and the Tube Amp Doctor Premium Selection process. The TAD 5Y3GT is a great tube for vintage style sag compression.
$27.95
Vacuum Tube - 5Y3 S, JJ Electronics, Rectifier
The JJ Electronic 5Y3S is a ruggedly built octal rectifier tube with a directly heated cathode. This tube’s solid construction and thick glass envelope offer high reliability. The JJ 5Y3S will work in any 5Y3 position.
$22.65
Vacuum Tube - 5Y4G, Rectifier, Full Wave
The 5Y4G is designed for use as a power rectifier in AC operated receivers.
$24.90
$7.85
Out of Stock
Vacuum Tube - 5Y4GT, Rectifier, Full Wave
Full-wave vacuum rectifier. The 5Y4GT is the same as the 5Y4GA except for mechanical design.
$16.90
Vacuum Tube - 5Z3, Rectifier, Full Wave
The 5Z3 is designed for service as a power rectifier in AC operated receivers which require high currents
$24.90
Vacuum Tube - 5Z4, Rectifier, Full Wave
The 5Z4 is designed for service as a power rectifier in AC operated receivers.
$8.90
Vacuum Tube - 6AX5GT, Rectifier, Full Wave
Full-wave rectifier of the heater-cathode type intended for use in AC operated and automobile receivers. Because of its heater-cathode construction it has the same heating time as that of other heater-cathode types in the receiver.
$5.90
Vacuum Tube - 6BY5G, Dual Rectifier
Isa full-wave high-vacuum rectifier designed for damper service in television deflection circuits. It can also be used in conventional rectifier applications.
$11.90
Vacuum Tube - 6BY5GA, Dual Rectifier
Full-wave vacuum rectifier for television damper service
$4.90
Vacuum Tube - 6CA4, Electro-Harmonix
Electro-Harmonix 6CA4 full-wave rectifier tube. Made in Russia.
$27.95
Vacuum Tube - 6CA4 / EZ81, JJ Electronics
The JJ Electronic EZ81 is a noval based rectifier with a rugged construction. These tubes are an excellent choice for guitar amps such as 18W Marshalls and Hi-Fi amplifiers as well. This tube will work in any EZ81 or 6CA4 application.
$17.95
Vacuum Tube - 6CA4 / EZ81, Rectifier, Full Wave
Miniature, heater-cathode, twin diode for full-wave rectifier operation. High output current and small size make it especially suitable for compact amplifier designs.
$24.90
$34.90
Vacuum Tube - 6W5-G, Rectifier, Full Wave
New Old Stock 6W5-G. Full-wave high-vacuum rectifier.
$19.95
Vacuum Tube - 6X4 / EZ90, Rectifier, Full Wave
Miniature heater-cathode type twin diode designed for full-wave rectifier operation in compact power supplies. The tube is intended for service in automobile and a-c radio receivers.
$12.95
Vacuum Tube - 6X5G, Rectifier, Full Wave
The 6X5G is an indirectly heated full-wave rectifiers for use in equipment where the current drain does not exceed 70 mA.
$14.80
Out of Stock
Vacuum Tube - 6X5GT / EZ35, Rectifier, Full Wave
Cathode type rectifier designed particularly for use in automobile receivers.
$12.90
$11.90
Vacuum Tube - 7Y4, Rectifier, Full Wave
Heater type vacuum twin diode using the lock-in construction. It is intended for use as a full-wave rectifier in either AC or storage operated equipment where economy of heater power is desired.
$3.90