I bought one of those Heil gadets a few months ago. It's the one with the
headphones and boom mic combo. I used it one time just to see what it felt
like. Well that was enough so I stuck it back in the box. If one of you
phone boys want it, I'll let it go for a cheap $35. Just say the
word.Personally, I don't like having that rats nest wrapped around my
head!
On Fri, 11 Jun 1999, Beamer, Jay wrote:
>
> This D104 stuff has all been interesting and enlightening, and I personally
> appreciate everyone's input. Bottom line is, I think, is that the D104, no
> matter what the configuration, sounds pretty good with a majority of the Ten
> tec xcvrs, but there is room for improvement (always the case). Guess it's a
> matter of how important it is to the individual.
>
> Now, someone get your hands on a new Heil and lets hear it on the net this
> Sunday!
>
> Thanks everyone,
>
> J/KM6VX
>
> -----Original Message-----
> From: Frank Krozel [mailto:frank@electronicinstrument.com]
> Sent: Friday, June 11, 1999 11:43 AM
> To: geraldj@ames.net; Beamer, Jay
> Cc: 'Carl Hyde'; tentec@contesting.com
> Subject: Re: [TenTec] D-104
>
>
>
> To all AND especially Jerry, K0CQ:
> I guess I stated my opinion too early. Jerry is right on. Oh... where is
> Bob H on this discussion??
> Frank Krozel KG9H
> -----Original Message-----
> From: Dr. Gerald N. Johnson, P.E. <geraldj@ames.net>
> To: Beamer, Jay <JBeamer@PanAmSat.com>
> Cc: 'Carl Hyde' <cshyde@yahoo.com>; 'tentec@contesting.com'
> <tentec@contesting.com>
To: <tentec@contesting.com>
> Date: Friday, June 11, 1999 11:17 AM
> Subject: Re: [TenTec] D-104
>
>
> >
> >The D-104 has always been designed for AM with a strong rising frequency
> >response. That was intended to overcome receiver selectivity by
> >supplying audio preemphasis to the high frequency components, especially
> >in the days of a rounded receiver selectivity curve. There weren't any
> >D-104 with a flat response, the rising response was intentional.
> >
> >And like I've said before that rising response means most of the output
> >power of the microphone is outside the transmit filter in a SSB rig so
> >any audio processing before the balanced modulator and filter is screwed
> >up and in some radios those high frequency components drive the audio
> >and modulator into distortion leading to distortion products that pass
> >through the filter.
> >
> >The relative phase response of the microphone, audio stages, and the
> >transmit filter are important to punch as limited by the transmitter PA
> >stages and ALC. Some microphones and filters (and voices) lead to a
> >signal that has a poor peak to average ratio and some are much better. I
> >find the EV 664 works well with my Yeasu FT-726 though I have a battle
> >ship rated Turner hand mike (weighs a ton) does better. The microphones
> >supplied by Yaesu have a lousy peak to average ratio. The Shure R5 does
> >well on my S-line and Corsair II.
> >
> >I've not found that the Shure R5 element (used in the 520 "Dispatcher"
> >microphone eons ago) is still available. Distributor catalogs don't show
> >it but also don't show it as obsolete. I have my local distributor
> >checking...
> >
> >73, Jerry, K0CQ
> >
> >--
> >FAQ on WWW: http://www.contesting.com/tentecfaq.htm
> >Submissions: tentec@contesting.com
> >Administrative requests: tentec-REQUEST@contesting.com
> >Problems: owner-tentec@contesting.com
> >Search: http://www.contesting.com/km9p/search.htm
> >
>
>
> --
> FAQ on WWW: http://www.contesting.com/tentecfaq.htm
> Submissions: tentec@contesting.com
> Administrative requests: tentec-REQUEST@contesting.com
> Problems: owner-tentec@contesting.com
> Search: http://www.contesting.com/km9p/search.htm
>
> --
> FAQ on WWW: http://www.contesting.com/tentecfaq.htm
> Submissions: tentec@contesting.com
> Administrative requests: tentec-REQUEST@contesting.com
> Problems: owner-tentec@contesting.com
> Search: http://www.contesting.com/km9p/search.htm
>
>
Steve Ellington N4LQ
N4LQ@IGLOU.COM
--
FAQ on WWW: http://www.contesting.com/tentecfaq.htm
Submissions: tentec@contesting.com
Administrative requests: tentec-REQUEST@contesting.com
Problems: owner-tentec@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|