[Elecraft] KIO3B Audio Spec

Doug Person k0dxv at aol.com
Thu Dec 31 21:11:50 EST 2015


I've always believed in the star approach and completely agree with the 
series circuit issue.

73, Doug -- K0DXV

On 12/31/2015 5:44 PM, Bob McGraw - K4TAX wrote:
> Don et al:
>
> Well Jim and I are at 100% opposite positions on this point.
>
> Bonding from equipment to equipment is a series circuit in which the 
> voltage divides across each value of R.  Thus none of the equipment 
> will be at zero potential.
>
> By using a bond conductor from each piece of equipment to a common 
> point, this provides a star system which is endorsed by most audio and 
> system design specialists.   It provides the lowest resistance as all 
> conductive paths are parallel.
>
> 73
> Bob, K4TAX
>
> On 12/31/2015 6:32 PM, Don Wilhelm wrote:
>> Bonding to a common point may not cure hum and buzz.
>> Follow the advice of Jim Brown K9YC and bond from equipment to 
>> equipment - following the path of the shields on unbalanced audio 
>> cables and RF coax.
>
>
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