[SEDXC] [SECC] Heil

John Harden jhdmd at bellsouth.net
Sun Aug 14 04:30:32 PDT 2011


Interesting to hear Dave's comments on headsets......

I have a Heil Pro Set 5 (HC-5 full range cartridge) and a pair of Radio 
Shack Stereo headphones. I rarely use either one as to me they are 
nothing but encumbrances while operating. In 52 years a a ham I have 
never really used headphones to any extent.

Presently I feed the K-3 audio into a GAP "Hear IT" DSP module, and 
hence into a MFJ Model 281 "Clear Tone" speaker .  The GAP module makes 
a great transceiver even better.

However I do have to keep the shack door closed as the XYL does not like 
the "beeping"  on CW.

73,

John, W4NU

On 8/13/2011 8:02 PM, David Thompson wrote:
> I have three Heil boom/mic sets.  One is an early BM-10 that my friend in LA
> made me some cushions that are far better than the original Heil
> that have to be replaced every so often. This has the HC-4 element. The
> second is a BM-10 that I bought from KR4DA when he was moving to Florida in
> the 1990's. I use this with an older Icom  and I use it through a Nel-Tec
> voice keyer that has a pre-amp.  This one has the HC-5 element.  Neither of
> these fully cover the ear which was a requirement of Rich K7SZ.  The final
> and newest Heil is a Pro micro which has better ear coverage.  I bought this
> one with the Yaesu connections from HRO about 10 years ago.  This too has
> the HC-4 element.
>
> I used a Telex ProCom 200 (its on the shelf) that does have full ear
> coverage.  Its wired for the Icom and is an electro tet that requires an N
> battery in the inline pre-amp.  Worked fine but has lower output that the
> Heil BM-10.
>
> My best headphone is an old Telex Twin set that came from a Gray Audiograph
> from my Dad's office.  It has a miniture speaker in the plug (regular 1/4"
> plug) and audio is piped to the ears via plastic tubes.  The tips fit into
> your ear and are a little uncomfortable at first then you forget you are
> using headphones.  I first used these in the 1958 ARRL SS phone (AM phone
> that is) and used them until I got the Heil.  A couple of times I forgot I
> had them on and nearly pulled my ears off HI.  These really worked great
> with my Drake R4B on 160.
>
> I have always had a noisy ham shack and you learn to have tunable ears to
> ignore back ground noise.  Blowers do bother me but if you are working
> stations all you hear are the callers.
>
> And please no speakers.  I only use a speaker if I have a guest in the ham
> shack.
>
> 73 Dave K4JRB
>
>
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