It seems that the swr is only affected when the linear is in the high setting. everything is fine in the low and medium setting. and the same throughout all channels.
Let's use yours <<More audio>>I'd like to see what the output of the amplifier looks like on a spectrum analyzer.
Did you get your swr issue figured out? Mine does the same with the amp on.
Cobra 29 lx/le with rfx75, texas star 500v, dosy 4001 meter, and a 54" open coil antenna.
Radio @ 2w dead key is 1.2 all 40 channels. Turn amp on, over 3 but swings back when modulating. Everyone says "sounds good"!
Still makes me worry though.