[Elecraft] KIO3B Audio Spec

[Bob McGraw - K4TAX]

Yes, this is correct.

I have all of my station equipment bonded to the common point on the 
station power supply.   And I do not use any "ground" to the outside 
world from my 2nd floor station.  Works just great, all bands 160M - 23 
cm, any power level to legal limit, any mode.

73
Bob, K4TAX

On 12/31/2015 5:10 PM, Jim Brown wrote:
> 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