[Elecraft] KIO3B Audio Spec

[Jim Brown]

On Thu,12/31/2015 11:29 AM, Barry N1EU wrote:
> You'll get hum if your computer and K3 chassis aren't at the same ground potential.

Delete the word "ground." That has NOTHING to do with it.

> For many, it may be preferable to use the rear panel Line Out, which is transformer isolated.

Hmmmm! The ancient and accepted way to bring all of the chassis at the 
same potential is to BOND THEM TOGETHER!  This is EE101, simple Ohm's 
Law. You do NOT need transformer isolation if the equipment is properly 
bonded! http://k9yc.com/GroundingAndAudio.pdf  Nothing but plain, 
ordinary copper wire.

73, Jim K9YC