This site uses third-party website tracking technologies to provide and continually improve our services, and to display advertisements according to users' interests. I agree and may revoke or change my consent at any time with effect for the future.
RCA-7I-A
POWER AMPLIFIER
The 71-A is a power-amplifier tube of low-output impedance for use in the output stage of audio-frequency amplifiers.
CHARACTERISTICS
Filament Voltage (A. C. or D. C.).