Clearance Items
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.
Philips ECG, Triode, Medium-MU
$4.95
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Originally: $9.90
Twin diode miniature type intended for applications where dependable performance under shock and vibration is paramount. The 5726 is a "premium" version of the 6AL5W
$2.45
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Originally: $4.90
Special quality pentode designed for use as wide band amplifier.
$6.28
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Originally: $12.55
Miniature twin triode designed primarily for use as a cascode amplifier at frequencies below approximately 300 megacycles.
$2.45
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Originally: $4.90
Twin triode in the 7 pin miniature construction. It can be operated in parallel or push-pull.
$2.45
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Originally: $4.90
The type 3Q4 is a miniature type power-amplifier pentode designed for use in the output stage of battery operated equipment.
$2.95
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Originally: $5.90
The 420A electron tube is a double-triode having separate indirectly heated cathodes. The heater is center-tapped to permit operation from a 6.3 or 12.6 volt filament supply.
$4.95
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Originally: $9.90
Heater-cathode type transmitting beam power amplifier in the 9 pin miniature construction. It is intended for use in compact, low-power mobile transmitters and in the low-power stages of larger fixed station transmitters.
$6.45
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Originally: $12.90
Miniature dual-control heptode designed primarily for use as a combined sync separator and sync clipper in television receivers. Each of the two independent control grids exhibits a sharp cutoff characteristic.
$2.95
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Originally: $5.90
Medium-mu triode in the 7-pin miniature construction. It is designed for local oscillator service in television receivers which operate in the UHF region, internal lead inductance is reduced by employing double connections to the plate and grid.
$2.95
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Originally: $5.90
Russian Tung-Sol 7581 tube. Beam power pentode with octal base. (May be substituted for 6L6GC). Made in Russia.
$23.75
Beam power tube for horizontal-deflection-amplifier service in black-and-white TV receivers.
$19.95
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Originally: $39.90
Heater-cathode type beam tube of miniature construction designed primarily to form the combined operations of the limiter, discriminator, and audio-voltage amplifier in FM and intercarrier television receivers.
$2.45
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Originally: $4.90
Miniature triode designed particularly for service in VHF television tuners as a grounded-cathode RF amplifier.
$2.95
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Originally: $5.90
Sharp cut-off tetrode designed for use as a radio-frequency or intermediate-frequency amplifier or as a detector tube in battery operated receivers.
$4.45
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Originally: $8.90
Glass octal type used as horizontal-deflection amplifier in color television receivers.
$22.45
Single diode, remote cut-off R.F. pentode.
$3.45
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Originally: $6.90
Duplex-diode high-mu triode in which separate cathodes are provided for the diode and triode sections. The tube is primarily intended for service as a combined horizontal phase detector and reactance tube in television receivers.
$2.45
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Originally: $4.90
Triple grid sharp cut-off amplifier. It is designed for service in high gain RF and IF amplifier applications and for limited service in FM receivers. The double cathode connection is useful in reducing cathode circuit coupling.
Starting at $4.50
