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.
Duplex-diode high-mu triode designed for use as a combined detector, automatic-volume-control rectifier and audio amplifier in a-c, a-c/d-c, or automobile receivers.
$16.90
Twin high-mu triode using the lock-in construction. It is designed for use as a voltage amplifier in resistance coupled cascade or phase inverter service.
$9.90
Twin triode designed for use as a grounded-grid radio-frequency amplifier or as a frequency converter at frequencies up to 300 megacycles.
$11.90
Combines two low-mu triodes in the lock-in construction. It is designed for use either as a phase inverter or as a voltage amplifier.
$15.90
Triode, Power Amplifier, United States
$89.90
Transmitting triode for operation at maximum ratings up to 250 Mc.
$48.80
The 841 is an RF power amplifier, oscillator, and AF voltage amplifier.
$69.90
Out of Stock
Medium-mu triode intended for use as a combined vertical oscillator and vertical deflection amplifier in 450 mA. series heater operated television receivers.
$5.90
In the ECC823, Section 1 of the tube (pins 6, 7, and 8) is the low gain 12AU7/ECC82 spec (gain factor 17) and Section 2 (pins 1, 2, and 3) is the high gain 12AX7/ECC83 spec (gain factor 100).
$20.95