# 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.
Vacuum Tube - 12J5GT, Triode, Medium-MU
General purpose medium-mu triode. It is useful for service as an oscillator or audio-frequency amplifier.
$5.31 Save 10% Originally:$5.90
Vacuum Tube - 12SC7, Dual Triode, HI-MU
The type 12SC7 is a twin-triode amplifier designed for use as an audio amplifier or phase inverter. Special shielding arrangement in the base permits operation at a low hum level.
$5.31 Save 10% Originally:$5.90
Vacuum Tube - 12SF7, Diode, Pentode, Remote Cut-Off
Heater-cathode type diode pentode tube designed for use as a detector and intermediate-frequency or audio-frequency amplifier. Except for heater rating the 6SF7 and 12SF7 are identical.
$6.21 Save 10% Originally:$6.90
Vacuum Tube - 12SL7GT, Triode, Dual, HI-MU
High-mu twin triode designed for use in resistance-coupled circuits as a voltage amplifier or phase inverter. Except for heater characteristics and ratings, the 12SL7GT is identical to the 6SL7GT.
$6.21 Save 10% Originally:$6.90
Vacuum Tube - 12SN7GT-A-B, Triode, Dual, Medium MU
Medium-mu twin triode suitable for use in a wide variety of general purpose amplifier and phase-inverter applications. Except for heater characteristics and ratings, the 12SN7GA-B is identical to the 6SN7GTB
$6.21 Save 10% Originally:$6.90
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.
$17.91 Save 10% Originally:$19.90
Vacuum Tube - 12SQ7GT, 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.
$17.91 Save 10% Originally:$19.90
Vacuum Tube - 12U7, Dual Triode
Contains two independent medium-mu triodes with unipotential cathodes in the 9-pin miniature construction.
$12.51 Save 10% Originally:$13.90
Vacuum Tube - 13DE7, Triode, Dissimilar Double
Miniature double triode in the 9-pin miniature construction. Section #1 is intended for use as a vertical deflection oscillator having medium mu and section #2 is intended for use as a vertical deflection amplifier with lo mu.
$3.51 Save 10% Originally:$3.90
Vacuum Tube - 13EM7 / 15EA7, Triode, Dissimilar Double
Dissimilar double-triode designed for use as a combined vertical deflection oscillator and amplifier in television receivers
$6.21 Save 10% Originally:$6.90
Vacuum Tube - 14AF7 / XXD, Dual Triode, Medium MU
Medium-mu twin triode designed for use as a voltage amplifier or oscillator.
$7.11 Save 10% Originally:$7.90
Vacuum Tube - 14B6, Dual Diode, Triode
Combined high-mu triode and double diode using the 8 pin lock-in construction. It is designed for use as a diode detector, AVC rectifier, and an impedance or resistance coupled amplifier.
$5.76 Save 10% Originally:$6.40
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.
$4.82 Save 10% Originally:$5.35
Vacuum Tube - 14N7, Dual Triode
Combines two low-mu triodes in the lock-in construction. It is designed for use either as a phase inverter or as a voltage amplifier.
$5.31 Save 10% Originally:$5.90
Vacuum Tube - 19J6, Triode, Dual
Miniature type of medium-mu twin triode intended especially for coverter service in ac/dc FM and AM receivers. In such service, one triode unit may be used as a mixer, and the other as an oscillator.
$13.41 Save 10% Originally:$14.90
Vacuum Tube - 19T8 / HABC80, Diode, Dual, Triode
Miniature tube containing three high-perveance diodes and a high-mu triode in the same envelope. One of the diodes has a separate cathode connection. The tube is designed for use as a combined AM and FM detector and audio-frequency amplifier.
$7.11 Save 10% Originally:$7.90
Vacuum Tube - 26, Triode, ST Glass
Filament type triode designed for use in the amplifier stages of a-c operated receivers.
$28.49 Save 10% Originally:$31.65
Vacuum Tube - 27, Triode, ST Glass
Three-electrode general purpose tube of the heater-cathode type for use as an amplifier and detector in a-c receivers.
$13.73 Save 10% Originally:$15.25
Vacuum Tube - 30, Triode
General purpose filament type triode designed for service in battery operated receivers. With the exception of capacitances, its ratings and characteristics are identical with those of the 1H4G.
$17.91 Save 10% Originally:$19.90
Vacuum Tube - 31, Triode
Power amplifier.
$15.21 Save 10% Originally:$16.90
Vacuum Tube - 37, Triode
General purpose triode designed for service as an oscillator, detector, or amplifier.
$13.41 Save 10% Originally:$14.90
Vacuum Tube - 45, Triode
Filament type triode power amplifier designed for service in the output stage of audio amplifiers where high output and low harmonic distortion are desired.
$125.91 Save 10% Originally:$139.90
Vacuum Tube - 50BM8 / UCL82, Triode, Pentode, Power
Miniature type triode-pentode designed for use as an AF amplifier by triode section and AF power amplifier by pentode section in radio receivers.
$5.31 Save 10% Originally:$5.90
Vacuum Tube - 55, Dual Diode, Triode
Heather cathode type tube consisting of two diodes and a triode in a single bulb. It is designed for use as a combined detector, amplifier, and automatic volume control.
$7.11 Save 10% Originally:$7.90
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