[AMRadio] Dreaded D-104 Element

[Mike Duke, K5XU]

As recently as 2 or so years ago, Radio Shack did sell a powered 
element which had good frequency response, especially when you 
consider that it wasn't much larger than a pencil eraser, and cost 
about $5. Of course, 2 years is equal to at least 4 generations at RS.

If your D104 has the audio preamp, check here for a replacement 
element kit. Remember, however, he specifies this one is for amplified 
D104's.

http://members.fortunecity.com/w2eny/

You can also scrounge good elements from many old audio cassette 
recorders, especially the larger portable models, and from cordless 
telephones. Some of the telephone elements have a frequency response 
that is well beyond what you would normally expect from a telephone.

Just hit 2 or 3 yard sales this weekend, and you will almost certainly 
find something you can take apart in order to repair something else.


Mike Duke, K5XU


----- Original Message ----- 
From: "BILL GUYGER" <bguyger at sbcglobal.net>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Wednesday, October 05, 2011 1:55 PM
Subject: Re: [AMRadio] Dreaded D-104


Heil makes a dynamic replacement element especially for D-104's. You 
can usually
pick them up at the larger hamfests from W0BW's booth who is a Heil 
dealer. I
would assume they might be available via Heil's website too. They used 
to make
two types one for communication quality audio and one that had a flat 
response
but only the communication's type is available now.

Bill AD5ol




________________________________
From: lee <pulsarxp at embarqmail.com>
To: Discussion of AM Radio in the Amateur Service 
<amradio at mailman.qth.net>
Sent: Wed, October 5, 2011 12:55:59 PM
Subject: Re: [AMRadio] Dreaded D-104

They have not been made in years. At one time AES in Milwaukee had a 
stash
of them. I have no idea if they have any left to sell. They acquired 
the
cartridges a long time ago just about the time Astatic stopped making 
them.

Lee, w0vt



-----Original Message----- 
From: Bill Harris
Sent: Wednesday, October 05, 2011 11:10 AM
To: AMRadio
Subject: Re: [AMRadio] Dreaded D-104


Anyone know if there is a source of (NOS) Astatic crystal or ceramic
elements for the D104? 3'sBill-w7kxb
>

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