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 - 81, Rectifier, ST Glass
Half-wave high-vacuum rectifier which may be used with either choke or condenser input to the filter.
Vacuum Tube - 813, Beam Power Amplifier
General-purpose transmitting beam power tube of the thoriated-tungsten filament type designed for use as an rf power amplifier and oscillator as well as an af power amplifier and modulator.
Vacuum Tube - 832A, Dual Tetrode, Beam Power
Push-pull RF beam power amplifier
Vacuum Tube - 841, Triode, Power Amplifier
The 841 is an RF power amplifier, oscillator, and AF voltage amplifier.
Out of Stock
Vacuum Tube - 8417, Beam Power Amplifier
Beam-power pentode intended for service in high power, high-fidelity audio equipments and is capable of 100 watts output in push-pull circuitry. It also finds application as a regulator tube.
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Originally: $49.90
Vacuum Tube - KT88, Svetlana
The Svetlana KT88 is an excellent choice for users looking to upgrade their current KT88 tubes. This tube is a glass envelope beam power tetrode. It is intended for audio frequency power amplifiers. High plate dissipation, close manufacturing tolerances, and thorough processing provides improved reliability and superior sonic performance. The Svetlana KT88 is manufactured in the Svetlana factory in St.
Starting at $47.65
Vacuum Tube - 0B3 / VR90, Voltage Regulator
The 0B3 is a two-element gas-filled, cold cathode voltage regulator. It is designed to provide regulated outputs of approximately 90 volts.
Vacuum Tube - 11MS8, Triode, Pentode
Miniature type used in combined vertical-deflection-oscillator and vertical-deflection-amplifier applications in black and white television receivers. Requires miniature 9-contact socket.
Vacuum Tube - 12A6, Tetrode, Beam Power
Heater-cathode type beam-power amplifier tube designed for use in the audio-output stage of ac or ac/dc receivers.
Vacuum Tube - 12AU7A, Telefunken, Dual Triode
12AU7A - Triode, Dual, Telefunken Brand
Vacuum Tube - 12AV5GA, Tetrode, Beam Power
Telefunken Brand. Miniature medium-mu twin triode intended for service in radio and television receivers or in audio amplifiers.
Vacuum Tube - 12DQ7, Pentode, Sharp Cut-Off
Miniature power pentode primarily designed for use as the video output amplifier in television receivers. Features of the tube include high transconductance, low interelectrode capacitances, and high power sensitivity.
Vacuum Tube - 14F8, Dual Triode
High-transconductance twin triode designed for use in VHF circuits as a cathode follower, grounded-grid amplifier, or frequency converter. Except for heater voltage and current ratings, it is identical to the 7F8.
Vacuum Tube - 1641 / RK60, Rectifier, Full Wave
1641/RK60 - Rectifier, Full Wave
Out of Stock
Vacuum Tube - 211 / VT-4C, Triode, Power Amplifier
New-Old-Stock (NOS) tube.
Also known by US military identifier VT-4C.
Out of Stock
Vacuum Tube - 25CD6G, Beam Pentode
New Old Stock (N.O.S.) tube. 25CD6GB is identical to the 6CD6GA except with different heater ratings. Beam power tube, octal base.
Vacuum Tube - 26A6, Pentode
R-F amplifier pentode, miniature remote-cutoff type, for use with 12-cell storage battery supply.
Vacuum Tube - 26HU5, Beam Power Amplifier
Glass octal type used as horizontal-deflection amplifier in color television receivers.
Vacuum Tube - 26LX6, Beam Power Amplifier
Compactron beam-power pentode primarily designed for use as the horizontal-deflection amplifier in color television receivers. It is characterized by having a very low knee with a very high peak current of over an ampere.
Out of Stock
Vacuum Tube - 30KD6, Beam Power Amplifier
Duodecar type used as horizontal-deflection amplifier in television receivers.
Vacuum Tube - 37, Triode
General purpose triode designed for service as an oscillator, detector, or amplifier.