Re: [TenTec] Running a Century 21 on external 12V power

[Jim Brown <k9yc@audiosystemsgroup.com>]

On Thu,6/1/2017 8:02 PM, Dukes HiFi wrote:
> The internal supply is pretty good. If it is introducing hum of the ground loop 
> type, why not just lift the ground (green wire). That should eliminate ground 
> loops.
NO, NO, NO. This both illegal and unsafe. NEVER do this.

Ground loops are a myth.

73, Jim K9YC