The bias would do nothing for low power.
Low power can be implemented in two ways, with different taps at final
transformer (KX3), and with different supply voltage (Expert amps). The
first one is hard at a KW level. The second one requires power supply with
different voltages. If the power
I would like to see the KPA-1500 have a "Medium Power" setting with optimized
bias for that power level so the amp could be operated at 750-watts output and
good efficiency. While the KPA-1500 can operate FT and RTTY contests at 1,500
watts, I believe the amp operated at 750-watts with an
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