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.
The 6K7G is an indirectly heated pentode of the vari-mu (remote cut-off) type for use in the RF or IF stages of radio equipment.
$3.13
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Originally: $6.25
Philips ECG, Triode, Medium-MU
$4.95
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Originally: $9.90
Miniature type RF pentode having a sharp cut-off characteristic and a high value of transconductance. In compact, light-weight equipment it is useful as an RF amplifier up to about 400 megacycles.
$1.95
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Originally: $3.90
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
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
Electro-Harmonix 6SN7 medium-mu twin triode preamp tube. Made in Russia. New low noise HiFi 6SN7.
Starting at $19.50
The 41 is an indirectly heated cathode type power amplifier pentode designed for service in the output stages of AC, AC/DC and storage battery operated receivers.
Starting at $7.55
Combines in one bulb two high-mu triodes designed for Class B operation. It is intended for use in the output stage of battery-operated receivers and is capable of supplying approximately 2 watts of audio power.
$2.48
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Originally: $4.95
Pentagrid converter designed to perform the combined functions of the oscillator and mixer in superheterodyne receivers
$1.95
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Originally: $3.90
Miniature, triple diode primarily intended for use as a d-c restorer in each of the three signal channels of color television receivers. For flexibility in circuit design, each diode incorporates a separate cathode
$1.95
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Originally: $3.90
Semi-remote cutoff triode in the 7 pin miniature construction. It is designed for use as a VHF and RF amplifier at a B+ of 135 volts.
$3.45
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Originally: $6.90
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 5U4G is designed for service as a power rectifier in AC operated receivers which require high currents
Starting at $18.40
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
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 beam pentode designed primarily for use in the audio-frequency power output stage of automobile receivers. The tube is capable of delivering a relatively high power output at low plate and screen voltages.
$1.95
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Originally: $3.90
Miniature, medium-mu twin triode designed for use as a VHF cascode amplifier. In this application, section two (pins 1, 2, and 3) is intended for the input section.
$2.95
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Originally: $5.90
Miniature dual control pentagrid tube intended for use in sync separator circuits. In these circuits it provides improved noise immunity. Both control grids have sharp cut-off characteristics.
$2.45
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Originally: $4.90
12SG7 - Pentode, Semi-Remote Cut-Off, JA
$2.43
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Originally: $4.85
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 medium-mu triode designed for as a radio-frequency amplifier in a VHF television tuner.
$1.95
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Originally: $3.90
Small, closely spaced, low-capacitance, high-vacuum diode designed for use through ultra-high frequencies. In measurement work, it is well suited to mounting in a probe and will maintain accuracy
$18.45
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Originally: $36.90