Twelve watts output from my K2/100 on 75 meters will drive my Alpha 99 amp to 1000 watts. My other two transceivers have to put out approx 35 watts to get 1000 watts out (which is normal driving power for this amp to put out 1000 watts). I am using the same amp input coax on all transceivers which is approx 6 feet in length. The output of the linear goes to a AT4K tuner which tunes the coax feed line to 1:1. All components are properly grounded. I receive good audio reports with the amplified K2/100, so I don't think stray RF or a parasitic oscillation is causing this. I can increase the length of the amp input coax, but I don't know what else I can do to normalize the drive power. The amp has 50 ohm passive input. The power displayed on the K2/100 is normal at all power levels and on all bands 160-10 meters and is verified with both the Bird 43 wattmeter and the Array Solutions Power Master meter. Any ideas anyone? Roy Morris W4WFB
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