Posted by Jim Brown-10 on URL: http://elecraft.85.s1.nabble.com/in-band-IMD-test-tp1491448p1491651.html
On Wed, 12 Nov 2008 16:24:27 -0500, Jack Smith wrote:
>This is an issue with the isolation transformers in the LINE OUT ports.
>I've measured similar levels, and shown how they might be reduced.
>You will not see the same degree of distortion on the headphone output
>port.
Agreed on both counts. The Line Out is poorly designed, and that's the
problem. You'll find corresponding data on my website, measured using an
entirely different procedure.