[Elecraft] K3: pwr out - does this sound right?

[Dave G4AON]

Doug, I guess you are seeing the Voltage drop on the power lead and it's
connectors. With my "not so old" Racal linear power supply, I obtained
the following results from the metering on the K3:

Zero out, 13.8V
5 Watts out, 13.5V
100 Watts out, 13.3V

This was checked into a 50 Ohm load on both 80m and 20m

73 Dave, G4AON
K3/100 #80
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After reading the recent comments on POWER OUT, I decided to check mine.

Using the voltmeter on the K3....

Zero power out: 13.6v
5 watts out: 13.3v
100 watts out: 13.1v

The drop from 13.6 to 13.1 for 100w doesn't seem so bad. But why the
drop when running only 5 watts out...seems out of line compared to the
100w level drop.

Does the 5 watt output V drop seem right to you? Comments?

PS is 25-30 year old Astron RS35A

Thanks,
Doug KR2Q