[Boatanchors] D-104 Elements

GBrown gkbrown at gwi.net
Sun Nov 20 18:01:44 EST 2005


I found that Radio Shack's elements work just fine. Nobody has told me they
sound different.........yet.
Regards,
Gary...WZ1M
----- Original Message ----- 
From: "Kenneth D. Grimm, K4XL" <kgrimm at adelphia.net>
To: "Bob Sullivan" <robert at isquare.com>
Cc: "Boatanchors" <boatanchors at mailman.qth.net>
Sent: Sunday, November 20, 2005 3:20 PM
Subject: Re: [Boatanchors] D-104 Elements


> Bob Sullivan wrote:
>
> > Since it appears that replacement elements for the D-104 are nearly
> > impossible to find I am considering using one of the Heil HC-104
> > "D-104 kits." I would appreciate hearing any comments on this kit!
> >
> > 73, Bob
> > WØYVA
> > Personal site: http://www.isquare.com/personal_pages/ras-hardware.htm
> >
> At $59.00 the Heil conversion kit is a wee bit expensive.  Of course,
> you are getting an impedance matching transformer that you will need in
> order to use the Heil element with our old boatanchors.  This is not a
> simple "pop in the new element and go" conversion.
>
> When my last D-104 element gives up, I plan to order a couple of the
> crystal and ceramic elements that Mouser carries.  The Kobitone elements
> are cheap enough to be worth doing a bit of experimenting.  Mouser's
> 25LM025 is a Crystal element with a 30-15KHz response and an impedance
> of 12K, a sensitivity of -55db and is 1inch diameter by .42 in thick and
> sells for $3.83.  Mouser's 25LM037 is a Ceramic element with very
> similar characteristics and sells for $3.91.  These elements are close
> enough to the original D-104 specs to make giving them a try very
> attractive.
>
> The only connection I have to Mouser is that my cat sometimes answers to
> that name...and then sometimes she doesn't.  :-)
>
> 73,
> -- 
>
> Ken K4XL
> k4xl at arrl.net
>
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