[Elecraft] [K2] poor IMD on barefoot K2, even at low power

[dl0tuh]

Hi,

I gave a test to my PSK31 setup today - barefoot K2 #5932 with M-Audio sound
card in my desktop pc. My laptop pc was connected to a FT-840 and listening.
Both used old good DigiPan.

I let my laptop measure IMD and also asked for this value during QSOs. In
all cases it's about -16dB which is very poor I beleive.

The power level is set to 5W. PC sound output level was decreased so that
only the first ALC bar blinks.

I also tried power levels setpoint from 0.1W to 15W. IMD value changed
continuosly from -19dB to -12dB.

Anything I could try/check to figure out the reason of destortion?

vy 73 de DL2IPU Oleg
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