# 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 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 - 6SH7GT, Pentode, Sharp Cut-Off, RF
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 Vacuum Tube - 6SJ7, Pentode, Sharp Cut-Off Metal sharp-cutoff pentode designed for use as a biased detector or high-gain amplifier.$6.90
Vacuum Tube - 6SJ7GT, Pentode, Sharp Cut-Off
Sharp-cutoff pentode designed for use as a biased detector or high-gain amplifier.
$19.90 Vacuum Tube - 6SK7, Pentode, Remote Cut-Off, RF Remote-cutoff pentode. It is designed for use as a high-gain radio-frequency or intermediate-frequency amplifier in a radio receiver.$6.90
Vacuum Tube - 6SK7GT, Pentode, Remote Cut-Off, RF
Remote-cutoff pentode. It is designed for use as a high-gain radio-frequency or intermediate-frequency amplifier in a radio receiver.
$5.90 Vacuum Tube - 7189A, Pentode, Beam New Old-Stock (N.O.S.) tube. The 7189A is a power-amplifier pentode designed for use in the audio-frequency power output stage of television and radio receivers and high-fidelity amplifiers. It differs from the 7189 in having a higher screen-voltage rating and in specifying the internal connections to pins 1 and 6.$60.90
Out of Stock
Vacuum Tube - 7199, Triode, Pentode
Triode-pentode designed primarily for high fidelity audio applications. The pentode section is particularly suited to preamplifier service while the triode section is intended for use as a phase inverter.
$69.90 Vacuum Tube - 7868, Pentode, Power Amplifier Power pentode for output stages of high fidelity audio-amplifiers and radio receivers$77.90
Vacuum Tube - 7H7, Pentode
Semi-remote cutoff pentode using the lock in construction. IT is designed for use as an RF or IF amplifier.
$6.90 Vacuum Tube - 6BQ5 / EL84, Pentode, Power Power amplifier pentode designed for use in the audio-frequency power output stage of television and radio receivers and in high fidelity amplifiers.$39.90
Vacuum Tube - 12AU6, Pentode, Sharp Cut-Off
The 12AU6 is a pentode amplifier having a sharp cut-off control characteristic using the miniature construction. With high transconductance, low grid-plate capacitance, it is intended for service as either an RF or AF amplifier.
$5.90 Vacuum Tube - 12BA6 / HF93, Pentode, Remote Cut-Off Pentode amplifier having a remote control grid characteristic and utilizing the miniature construction. As a RF amplifier, it is characterized by high transconductance and low grid-plate capacitance.$8.90
Vacuum Tube - 12BV7 / 12BY7A, Pentode
Miniature power pentode designed primarily for use as the video output amplifier in television receivers. Like the 12BY7, it features high transconductance, high power sensitivity, and low interelectrode capacitances.
$13.90 Vacuum Tube - 12GN7A / 12HG7, Pentode, Sharp Cut-Off Miniature, sharp-cutoff pentode designed primarily for video amplifier service in television receivers.$7.90
Vacuum Tube - 12SG7, Pentode, Semi-Remote Cut-Off
Semi-remote cut off pentode voltage amplifier in the octal metal construction. It features high transconductance with low grid-plate capacitance and a dual cathode connection to minimize effects of common cathode circuit coupling.
$5.35 Vacuum Tube - 12SJ7, Pentode, Sharp Cut-Off A single-ended RF pentode having sharp cut-off characteristics. It is designed for use as a general purpose amplifier, biased detector, radio frequency oscillator or as a mixer tube in properly designed circuits.$3.90
Vacuum Tube - 12SK7, Pentode, Remote Cut-Off
The T-12SK7 is the same as the 6SK7 except for heater ratings.
$6.90 Vacuum Tube - 12SK7GT, Pentode, Remote Cut-Off, RF Single ended cathode type super control pentode primarily designed for amplifier service in radio or intermediate frequency circuits. In properly designed superheterodyne circuits it may also be used as a mixer tube.$6.90
Vacuum Tube - 47, Pentode, Power Amplifier, ST Glass
Filament type output power pentode.
$34.50 Vacuum Tube - 5749 / 6BA6W, Pentode, Remote Cut-Off Miniature remote-cutoff pentode intended for use as a high-gain radio frequency or intermediate-frequency amplifier. Its remote-cutoff characteristic makes it suitable for use in circuits to which it is desired to apply automatic-gain-control.$4.90
Vacuum Tube - 5840 / 6225, Pentode, Sharp Cut-Off
The premium subminiature type 5840 is a sharp cutoff pentode characterized by long life and stable performance under conditions of severe shock, vibration, high temperature and high altitude
$4.95 Save 50% Originally:$9.90
Vacuum Tube - 5879, Pentode, Sharp Cut-Off
Sharp-cutoff pentode of the 9-pin miniature type intended for use as an audio amplifier in applications requiring reduced microphonics, leakage noise, and hum.
$12.90 Vacuum Tube - 6136 / 6AU6WA, Pentode, Sharp Cut-Off Miniature sharp-cutoff pentode designed primarily for use as a high gain radio-frequency or intermediate-frequency amplifier. Low grid-plate capacitance and high transconductance make it especially suited for high-frequency wide-band applications.$9.90
Vacuum Tube - 6267 / EF86, Pentode, Sharp Cut-Off
Pentode intended for use as A.F. amplifier.
\$49.95
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