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.
T-5AR4-JJ Vacuum Tube - 5AR4 / GZ34, JJ Electronics
The JJ Electronic GZ34 / 5AR4 is rugged rectifier at a reasonable price. JJ has a reputation for building sturdy tubes and this one is no exception. Users report that the JJ GZ34 / 5AR4 is a reliable rectifier in their Vox, Fender, and hifi amplifiers.
$14.20
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Originally: $15.95
T-5Y3-S-JJ 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.
$13.80
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Originally: $15.50
T-5U4GB-JJ Vacuum Tube - 5U4GB, JJ Electronics
The JJ Electronic 5U4GB is an excellent choice for an economically priced tube rectifier. Used in many Hi-Fi and guitar amplifiers, JJ delivers a robust and solidly built tube. This full wave rectifier will work in any 5U4 application.
$13.31
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Originally: $14.95
T-5AR4-STR-TAD Vacuum Tube - 5AR4 STR, Tube Amp Doctor
Tube Amp Doctor 5AR4 Rectifier, Premium Selected. A faithful reproduction of the Mullard/VALVO GZ34. Pure power and the typical sag is the distinguishing characteristic of the most popular guitar amps of the 1960s guitar heroes till today.
$20.43
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Originally: $22.95
T-35Z5GT Vacuum Tube - 35Z5GT, Rectifier, Half Wave
Heater-cathode type diode designed for use as a half-wave rectifier in ac/dc receivers. A heater tap is provided to permit operation with a panel lamp.
$21.27
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Originally: $23.90
T-5Y3GT-SOVT 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.
$14.91
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Originally: $16.75
T-12SQ7 Vacuum Tube - 12SQ7, Diode, Dual, Triode
Combines two diode units and a high-mu triode in a single envelope. Each section uses a common cathode. It is intended for service as a combined detector, AVC source, and high gain audio amplifier.
$17.71
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Originally: $19.90
T-5AR4-SOVT Vacuum Tube - 5AR4, Sovtek
Octal rectifier tube (Max DC output current = 250 mA)
$19.36
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Originally: $21.75
T-5U4GB-EH Vacuum Tube - 5U4GB, Electro-Harmonix
Superior directly heated rectifier Diode. Replacement for all 5U4 types, including NOS-style "big bottle" tubes.
$13.71
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Originally: $15.40
T-35W4 Vacuum Tube - 35W4, Rectifier, Half Wave
Miniature half-wave rectifier for use in line-operated equipment having series-connected heaters. The heater is tapped to permit operation of a panel lamp.
$7.03
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Originally: $7.90
T-12AV6 Vacuum Tube - 12AV6, Diode, Dual Triode
Combines a high mu triode and two independent diode units in the 7-pin miniature construction. It permits a single tube to function as detector, AVC rectifier, and audio amplifier.
$5.25
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Originally: $5.90
T-6CA4-JJ 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.
$11.13
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Originally: $12.50
T-6AV6_EBC91 Vacuum Tube - 6AV6 / EBC91, Dual Diode, Triode
Miniature duplex-diode, high-mu triode intended primarily for use as a combined detector, amplifier, and automatic-volume-control tube in radio receivers. The triode section incorporates a high amplification factor
$5.25
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Originally: $5.90
T-6X4_EZ90 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.
$11.53
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Originally: $12.95
T-6AL5_6EB5 Vacuum Tube - 6AL5 / 6EB5, Dual Diode
The 6AL5 combines two independent diode units in the 7 pin miniature construction. Its high perveance permits high efficiency in either FM or AM detector service.
$4.36
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Originally: $4.90
T-6X5GT_EZ35 Vacuum Tube - 6X5GT / EZ35, Rectifier, Full Wave
Cathode type rectifier designed particularly for use in automobile receivers.
$11.48
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Originally: $12.90
T-1U5 Vacuum Tube - 1U5, Diode, Sharp Cut-Off Pentode
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.
$6.14
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Originally: $6.90
T-5Y3GT 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.
$26.21
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Originally: $29.45
T-GZ34-MUL 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
$34.67
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Originally: $38.95
T-6SQ7 Vacuum Tube - 6SQ7, Diode, Dual Triode
Metal duplex-diode high-mu triode. It is intended primarily for use as a combined detector, amplifier, and automatic-volume-control tube in radio receivers.
$6.14
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Originally: $6.90
T-0A2_150C2 Vacuum Tube - 0A2 / 150C2, Voltage Regulator, Diode, Glow-Discharge
0A2 or 150C2 - Voltage Regulator, Diode, miniature glow-discharge type.
$6.14
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Originally: $6.90
T-5AR4-C Vacuum Tube - 5AR4, Ruby Tubes
5AR4 Ruby, Rectifier Tube
$19.54
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Originally: $21.95
T-6H6 Vacuum Tube - 6H6, Diode, Twin
Twin-diode with individual cathodes brought out to separate base pins. The 6H6 is designed for service as a diode detector, automatic volume control rectifier, or as a low current power rectifier
$4.36
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Originally: $4.90
T-12AT6_HBC90 Vacuum Tube - 12AT6 / HBC90, Dual Diode, Triode
Combined high-mu voltage amplifier and double-diode detector using the 7-pin miniature construction. It is intended to provide output voltage adequate for full-power output of most beam-power tubes.
$6.14
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Originally: $6.90
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