gonset: Transmitter Input power versus output.Gonset Commander II

Transmitter power for older tube type units is typically expressed as input power.  Output is dependent on many factors including transmission type, amplifier class and efficiency, and frequency.  Power output and efficiency of a Class C transmitter such as the Gonset Commander II is about 2/3 of input power as a rule of thumb maximum.  The Commander, like most such transmitters if run at the highest power input  requires a separate B plus voltage for its oscillator, 300 volts in this case and often voltage controlled.  The final section can be run at either the same 300 or a higher voltage for maximum power input.

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