Thanks Sverre, Mike and Don. Doh!
After cutting the PC's software gain control to near-minimum, it does appear that most if not all of the odd-harmonic distortion was due to overdriving the soundcard. To make certain, I will repeat the experiment on a USB sound card that has bona fide line inputs and better dynamic range, but I expect to find that the K2's audio is just fine. Thanks again for putting the experiment right. 73, Ken K3VV Coopersburg, PA _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com