'Illustrated on page 35
RCA-849 is a three-electrode transmitting tube of the thoriated tungsten filament type for use as a class A and class B audio-frequency power amplifier, modulator, radio-frequency amplifier and oscillator. Two tubes operated as a class B modulator or a-f amplifier are capable of delivering an audio-frequency power output of 1100 watts. As an r-f power amplifier and oscillator, the 849 can be operated under maximum rated conditions at frequencies as high as 3 megacycles.
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