Hi,
Yes you will need the matching transformer
to use the Heil elements on Drake equipment. But the transmit audio quality you
get from those elements is so much better than you get from either the Dynamic
or Crystal version of the D-104 that it is a worthwhile upgrade to keep the 104
appearance in your shack. (I happen to like the style). In the ones I upgraded,
I did away with the built in amplifier, as, like you say, is a waste of time
for the Drake Radios. At one time, I had interfaced a speech processor with my
T4XC and the reports I got was “turn it off, it sounds better and is more
readable without it”. So, I removed it and never used it again.
I also have a Heil Gold Line dual element
mic that I use with the Drake, and I get the best audio reports using the HC5
element over the broadband element. Most stations like them both, but preferred
the HC-5 element. The HC-4 element sounds more like the D-104 Dynamic element.
I prefer a few more lows in my transmitted audio.
73
Mike
Eakins - K7OV
20/80
Meter DX Chaser
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
Sent: Wednesday, September 14,
2005 3:38 PM
To: [EMAIL PROTECTED]
Cc: [email protected]
Subject: Re: [drakelist] D104
element
Been there...Done that. The Heil element is Low Impedance and for
use with most, if not all Drake equipment, a matching transformer should be
inserted in the microphone housing to function properly...Proper drive and
audio quality.
If you are using an amplified D1Ø4 base, there should be no problem using the
HC-5. However, I don't know of any Drake which will really benefit
thought the use of an audio amp.
For the price of an HC-4, you can probably find a real D1Ø4 head and base at
any number of places....Hamfests, Old Timers shack, garage sale (CB stuff) or
maybe your local Emergency Management HQ during one of their yearly
cleanups. You never know.
73,
Jay/AF2C
At 08:08 PM 9/14/05 +0000, you wrote:
[EMAIL PROTECTED]
made an utterance to the drakelist gang
----------------------------------------------------------------------
Hi all,
In my humble opinion, the Heil HC-4 or 5 elements are a better replacement
option to restore an Astatic D-104 mic. There are instructions for the
replacement using these mic elements on the Heil site. I prefer the more broad
frequency range of the HC-5 element over the old crystal element for pleasing
audio quality and good over all "Punch" on Drake equipment.
Just my opinion,
73,
Mike - K7OV
>
> Mike Manship <[EMAIL PROTECTED]> made an utterance to the
drakelist gang
> ----------------------------------------------------------------------
> > "Joe Roth" <[EMAIL PROTECTED]> made an utterance to the
drakelist gang
> > ----------------------------------------------------------------------
> > On the WB4HFN web site it shows a possible replacement for the
crystal
> > element in the Astatic D104 mic. The closest seems to be Mouser part
> > #25LM024. Has anyone tried this replacement or am I better off
getting on
> > directly from Astatic?
> > Joe
> >
>
> I didn't think Astatic had them anymore and that was the
> reason replacements were being sought.
>
> 73 de Mike W9OJ
>
>
>
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