# 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.

#### 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 - 43, Pentode
Glass type power amplifier pentode designed especially for use in the output stage of a-c/d-c receivers. The 43 is identical in electrical characteristics to the type 25A6 tube.
$7.90 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.$139.90
Vacuum Tube - 46, Dual Grid, Power Amplifier, ST Glass
Filament type double grid power amplifier tube. It is especially designed for class B operation to give a large amount of undistorted power output.
$34.75 Vacuum Tube - 47, Pentode, Power Amplifier, ST Glass Filament type output power pentode.$34.50
Vacuum Tube - 49, Dual Grid, Power Amplifier
Dual grid power tube designed for use in a class A or class B output stage.
$13.90 Vacuum Tube - 50B5, Beam Power Amplifier Miniature beam-power amplifier designed primarily for use in the output stage of compact a-c/d-c receivers. The 50B5 features high power sensitivity and is capable of providing a relatively high power output$3.90
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.
$5.90 Vacuum Tube - 50C5, Beam Power Amplifier Miniature beam pentode primarily designed for use in the audio-frequency power-output stage of radio receivers. The tube features high power sensitivity and high efficiency at relatively low plate and screen voltages$24.90
Vacuum Tube - 50EH5, Pentode, Power Amplifier
Miniature power pentode primarily designed for use in the audio-frequency power output stage of radio receivers and phonographs. The tube features high power sensitivity at low plate and screen voltages.
$5.90 Vacuum Tube - 50L6GT, Beam Power Amplifier The 50L6GT is designed for service in the output stage of ac/dc receivers. It delivers a high power output with high power sensitivity from low supply voltages.$9.90
Vacuum Tube - 50X6, Rectifier, Full Wave
Combines two independent diodes in the lock-in construction permitting the tube to be used as a power rectifier in either half-wave, full-wave, or voltage doubler applications.
$4.90 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.$7.90
Vacuum Tube - 56, Triode
Heater-cathode type triode designed for use as a detector, amplifier, or oscillator tube in a-c or battery operated equipment.
$15.90 Vacuum Tube - 5654 / 6AK5W, Pentode, Sharp Cut-Off, RF Miniature sharp-cutoff pentode for use as a wide-band, high-frequency amplifier. It is also useful in video and audio amplifiers, oscillators, mixers, frequency multipliers, and cathode followers.$2.45
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Originally: $4.90 Vacuum Tube - 5670 / 2C51W, Triode, Dual Miniature medium-mu twin triode each section of which as a separate cathode connection. The tube is suited for use in a wide variety of general-purpose amplifier and mixer circuits as well as numerous multi-vibrator and oscillator applications.$4.90
Vacuum Tube - 5672 / DL69, Pentode
Subminiature pentode for use as an A.F. power amplifier in portable equipment.
$6.90 Vacuum Tube - 5678, Pentode Subminiature pentode for use as R.F, M.F., or A.F. amplifier, oscillator, self-oscillating mixer, A.M. detector etc.$2.95
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Originally: $5.90 Vacuum Tube - 5687, Triode, Dual General purpose medium-mu double triode using the 9-pin button all-glass construction. The tube is characterized by high perveance and high emission capabilities.$19.90
Vacuum Tube - 5687, Tung-Sol, Dual Triode
Triode, Dual, Tung-Sol Brand
$49.90 Vacuum Tube - 5692, Triode, Dual, Red Base Triode, Dual, Red Base$100.75
Vacuum Tube - 5693, Pentode, Sharp Cut-Off
Sharp cutoff pentode intended for critical industrial applications where 10,000 hour life, extreme uniformity, rigid construction, and exceptional stability are paramount.
$19.90 Vacuum Tube - 57, Pentode, Sharp Cut-Off Triple grid general purpose detector amplifier.$8.90
Vacuum Tube - 5726 / 6AL5W, Dual Diode
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 Save 50% Originally:$4.90
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