[Elecraft] K3 HM2 hand mike hum

[David Hourdequin]

When I key the mike, my friends hear a hum on my signal that is not there when I use the Heil Proset K2/K3.  I hear the same thing when I monitor my signal on the KX3.

I’ve checked the connections at both ends and do not see anything amiss.  At the mike end, the ground wire is ‘floating’ and not attached to any terminal like it is at the plug end.  I do not see any severed wire/s anywhere.

Any ideas would be most appreciated.

Thanks so much,

David


NS4V
David R. Hourdequin, PE
P.O. Box 1399
Hayesville, NC. 28904
828-421-6216
drh at dremy.com