You don't describe the test setup in any detail, but I'd first question the possibility of overdriving some component in the test setup. Any piece of equipment in the chain being overdriven will horribly and unpredictably skew the results. Dan / WG4S / K2 #2456 <snip> The TS850 was cleaner, by roughly 15 dB, than the K2/100. </snip>