When the KXPA100 is on and power over 10-12 watts the internal tuner in the KX3 is bypassed and the tuner in the amp is operational. If the -- View this message in context: http://elecraft.365791.n2.nabble.com/New-Purchase-Sanity-Check-tp7614124p7614128.html Sent from the Elecraft mailing list archive at Nabble.com.