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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) - 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.
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Vacuum Tube - 30KD6, Beam Power Amplifier
Duodecar type used as horizontal-deflection amplifier in television receivers.
$39.90
$35.91
You save: 10%
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Vacuum Tube - 36KD6 / 40KD6, 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.
$29.90
$26.91
You save: 10%
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Vacuum Tube - 37, Triode
General purpose triode designed for service as an oscillator, detector, or amplifier.
$14.90
$13.41
You save: 10%
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Vacuum Tube - 4-125A / 4D21, Tetrode, Power Amplifier
The 4D21 / 4-125A is a four-electrode tube designed for use as a power amplifier and oscillator. The anode is capable of dissipating 125 watts, and cooling is accomplished by radiation.
$139.90
$125.91
You save: 10%
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Vacuum Tube - 407A, Dual Triode, Medium MU
9-pin miniature double triode with separate indirectly heated cathodes. It is designed for use in amplifier, mixer, oscillator, multivibrator and clamp circuits. The useful frequency range extends through the VHF range.
$9.95
$8.96
You save: 10%
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Vacuum Tube - 40KG6A / PL519, Beam Power Amplifier
Magnoval type used as a horizontal-deflection amplifier in color television receivers.
$21.95
$19.76
You save: 10%
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Vacuum Tube - 417A, Western Electric, Triode
9-pin miniature triode with an indirectly heated cathode. It is intended primarily for grounded-grid operation in the input stage of broad band amplifiers.
$174.90
$157.41
You save: 10%
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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.
$139.90
$125.91
You save: 10%
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Vacuum Tube - 5672 / DL69, Pentode
Subminiature pentode for use as an A.F. power amplifier in portable equipment.
$6.90
$6.21
You save: 10%
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Vacuum Tube - 5687, Tung-Sol, Dual Triode
Triode, Dual, Tung-Sol Brand
$49.90
$44.91
You save: 10%
Out of Stock
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(62 pages)
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