[Elecraft] K3 & Heil HM-10 Dual

[Augie "Gus" Hansen]

The HC4 and HC5 elements are low output dynamic types - no biasneeded. 
In fact, it must be off.

Gus Hansen
KB0YH

On 4/17/2017 10:00 PM, Matt Zilmer wrote:
> That depends on the mic itself.  The HC4- and HC5-based mics need bias 
> ON, but don't know about the others (HC6?). Donis correct about the 
> gain range setting.  Both elements are low output, so use HIGH.