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.

New Old Stock (NOS) RCA
New Old Stock (NOS)
Our new-old-stock tubes were made by the major U.S. manufacturers, along with a small number of European manufacturers and are tested and guaranteed.
Also known by US military identifier VT-197A. The 5Y3GT is a filamentary twin-diode designed for full-wave rectifier operation in power supplies that have d-c output current requirements up to approximately 125 milliamperes. RCA brand.
$34.90
Out of Stock

Triode, Dual, RCA Brand, Clear Top
$69.90
Out of Stock

RCA brand. Miniature high-mu twin triode each section of which has an individual cathode connection - especially suited for use in resistance-coupled voltage amplifiers, phase inverters, multivibrators, and industrial-control circuits.
$169.90
Out of Stock

RCA brand. Miniature medium-mu twin triode designed primarily for use in low-level stages of high-gain audio-frequency amplifiers. The tube is specially designed to exhibit low noise and low microphonic output.
$129.90
Out of Stock

RCA brand. Miniature, medium-mu twin triode designed primarily for use as a vertical-deflection amplifier in television receivers. The two sections may be employed in parallel, or as a combined vertical-deflection amplifier and vertical oscillator.
$59.90
Out of Stock

Three-electrode, high-vacuum type of power amplifier tube for use in the power-output stage of a-c operated receivers. The exceptionally large power-handling ability of the 2A3 is the result of its design features.
$129.30
Out of Stock

RCA, Beam Power Amplifier, Black Plate
$249.40
Out of Stock

Frame grid double triode of miniature construction with high transconductance and low noise, designed for service in television receiver VHF cascode RF amplifiers, IF amplifiers, and phase inverter stages.
$39.20
Out of Stock

The EL84 is an output pentode rated for 12W anode dissipation, primarily intended for use in a.c. mains operated equipment.
$51.35