The amplifier produces 1500 watts of output power when driven by at least 50 watts of mean input power 

The inclusion of a schematic diagram and theory of operation manual that would permit an amateur to modify the amplifier

The amplifier produces 3 dB of gain for input signals between 26 MHz and 28 MHz

Failure to include a safety switch in the high-voltage power supply to turn off the power if the cabinet is opened



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