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-GEN Vacuum Tube - 5AR4 / GZ34 / U77, Genalex Gold Lion
Genalex Gold Lion U77 / GZ34 full-wave rectifier tube. Made in Russia.
$62.90
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
$58.70
T-5AR4_GZ34 Vacuum Tube - 5AR4 / GZ34, Rectifier, Full Wave
Heater-cathode twin diode designed for full-wave rectifier operation. High output current and small size make this tube especially suitable for compact amplifier designs.
Starting at $52.90
Out of Stock
T-5AR4-TUNG Vacuum Tube - 5AR4, Tung-Sol Reissue
Tung Sol 5AR4 rectifier tube. Made in Russia. Premium directly heated heavy duty rectifier Diode. Helps extend the life of the other valves in the amplifier by allowing them to heat up before plate voltage is applied. Tung-Sol tubes reflect the best in vintage construction with unsurpassed tone and reliability.
  • Low internal voltage drop & controlled heater warm up time
  • Excellent choice for both Hifi and instrument amplification
  • Replacement/upgrade for all 5AR4/GZ34 types
$51.00
T-5U4G_5AS4 Vacuum Tube - 5U4G / 5AS4, Rectifier, Full Wave
The 5U4G is designed for service as a power rectifier in AC operated receivers which require high currents
$49.90
T-6087 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
T-5U4GB_5AS4A Vacuum Tube - 5U4GB / 5AS4A, Rectifier, Full Wave
Filamentary twin diode designed for use as a full-wave rectifier in the power supply of television receivers or other equipment which has high direct-current requirements. The 5U4GB may be used a replacement for either the 5U4G or the 5U4GA.
$44.90
T-5931_5U4WG Vacuum Tube - 5931 / 5U4WG, Rectifier, Full Wave
Rugged full-wave filamentary type rectifier designed for use in applications requiring resistance to shock or vibration.
$34.90
T-6V4_EZ80 Vacuum Tube - 6V4 / EZ80, Rectifier, Full Wave
Miniature full wave rectifier.
$34.90
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.
$34.20
T-5U4G-PSV Vacuum Tube - 5U4G, Classic Series, Psvane
The Psvane 5U4G is a directly-heated rectifier with an octal base. The Psvane 5U4G features the iconic shouldered bottle of the original 5U4G rectifiers. This tube is a great rectifier for any type of amplifier. The Psvane Classic Series is focused on the reproduction of popular vacuum tubes found in classic audio equipment. When designing the Classic Series, Psvane collected the most sought-after NOS tubes and analyzed each element of their construction, incorporating the most effective manufacturing techniques to produce stable tubes with excellent sound. Whether used in guitar amplifiers or hifi stereo systems, the Psvane Classic Series vacuum tubes excel in all applications. Psvane has been producing high quality vacuum tubes since 2011. The Psvane team originally formed in Shuguang’s high-end tube division but eventually split off to form their own brand.
$32.85
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.
$30.05
T-5V4GA Vacuum Tube - 5V4GA, Rectifier, Full Wave
High vacuum rectifier intended for use in full-wave applications. The tube incorporates an indirectly heated cathode which is internally connected to the heater
$29.90
T-80-TUBULAR 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
T-26Z5W Vacuum Tube - 26Z5W, Dual Rectifier
Ruggedized heater-cathode type double diode using the 9 pin miniature construction. It is suitable for use in half or full wave rectifier applications or as a voltage doubler.
$29.90
T-5V4G Vacuum Tube - 5V4G, Rectifier, Full Wave, ST Glass
Cathode type high vacuum rectifier designed for full-wave applications. The cathode is connected internally to the heater.
$29.90
T-5AR4-SOVT Vacuum Tube - 5AR4, Sovtek
Octal rectifier tube (Max DC output current = 250 mA)
$29.80
T-5Y3G Vacuum Tube - 5Y3G, Rectifier, Full Wave
Full-wave vacuum rectifier.
$29.45
Out of Stock
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.
$29.45
T-6CA4-EH Vacuum Tube - 6CA4, Electro-Harmonix
Electro-Harmonix 6CA4 full-wave rectifier tube. Made in Russia.
$27.95
T-5Y3GT-TAD 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
T-81-ST 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
T-5U4GB-EH Vacuum Tube - 5U4GB, Electro-Harmonix
Superior directly heated rectifier Diode. Replacement for all 5U4 types, including NOS-style "big bottle" tubes.
$25.60
T-83V 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
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