[TenTec] Heil HC-4 and Orion

[Dave Heil]

Grant Youngman wrote:
> 
> >  Has anyone been able to successfully use the
> > HC-4 with Orion?  I've tried two different elements and
> > many MIC and SP different settings but cannot seem
> > to find any combination which is not clipping the audio.
> 
> HC-4 ... yech ... :-)
> 
> If you're actually clipping, even with MIC set to a low value, then you
> might need to adjust the gain of the mic preamp.  Roughly behind
> the mic connector on the underside of the radio there is small hole.
> And inside that hole there is a plain old pot adjustment for gain.  You
> might try adjusting that.

...and then set TX low end rolloff for about 200 Hz and TX EQ at +8.
Those worked for me.  I usually use an HC-5 but the old element went
west and I had a new HC-4 sitting around.

Dave K8MN