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 - 5Z4, Rectifier, Full Wave
The 5Z4 is designed for service as a power rectifier in AC operated receivers.
$8.90
Vacuum Tube - 6087 / 5Y3WGTB, Rectifier, Full Wave
Full-wave high-vacuum rectifier for use in power supplies of moderate current requirements. The tube incorporates a unipotential cathode which is internally connected to the filament.
$49.90
Vacuum Tube - 6202 / 6X4WA, Rectifier, Full Wave
Miniature full-wave high-vacuum rectifier intended for use in power supplies which have low d-c output-current requirements.
$11.90
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
Vacuum Tube - 7Z4, Rectifier, Full Wave
Heater-cathode type high vacuum twin diode using the lock in construction. It is intended for power rectifier service in AC operated equipment or for use with storage battery and vibrator in automotive receivers or amplifiers.
$4.90
Vacuum Tube - 80, Rectifier, Full Wave, ST Glass
Filamentary full-wave high-vacuum rectifier designed for use in the power supply of a-c operated equipment
Starting at $17.60
Vacuum Tube - 80, Rectifier, Full Wave, Tubular Glass
Filamentary full-wave high-vacuum rectifier designed for use in the power supply of a-c operated equipment
$29.90
Vacuum Tube - 81, Rectifier, ST Glass
Half-wave high-vacuum rectifier which may be used with either choke or condenser input to the filter.
$27.35
Vacuum Tube - 83V, Rectifier, Full Wave
Power rectifier with low internal voltage drops. It is designed for service in AC operated receivers that require high currents
$25.60
Vacuum Tube - AZ41, Rectifier, Full Wave
High vacuum full wave rectifying tube.
$6.45
Save 50%
Originally: $12.90
Vacuum Tube - GZ34 / 5AR4, Mullard Reissue
Premium directly heated heavy duty rectifier Diode. Re-issue of the most popular rectifier valve ever built by Mullard. Helps extend the life of the other valves in the amplifier by allowing them to heat up before plate voltage is applied.
  • Low internal voltage drop & controlled heater warm up time
  • Excellent choice for both Hifi and instrument amplification
  • Replacement/upgrade for all 5AR4/GZ34 types
$58.70