[TenTec] RF in headphone cables

Joseph A. & Ruth O. Ryan ablee at bellsouth.net
Fri Apr 7 17:17:07 EDT 2006


Sure, I had it on a Kenwood TS-950SD especially on 40m.
In my case it was caused by the wire antenna passing over the
shack at about a 25 foot level.  Used the 'beads' on the phone leads
and also on the speaker lead.  All went away.
Still got using an ORION, but cured it by moving the antenna.
Whatever.
73's Joe, KX4JR

At 02:11 PM 04/07/2006, you wrote:
>I had pretty bad case of RF getting into my headphones
>on frequencies from 20m and below.  But I did not
>originally attribute it to the Orion because when I
>transmit full power into a dummy load it goes away. I
>fixed the problem with an RF bead.  I figured the
>headphone cables were just the right length and the RF
>was coming from the antenna, not the rig.
>
>Are there others that have this issue?  Does anyone
>see this on a non Orion rig?
>
>Inquiring minds...
>
>73,
>John NA9U
>
> >
> >* RF getting into radio via headphones wire
> > (hardware mod needed).
> >
> > Ron Castro
>
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