[Elecraft] Operation of silver lollipop

Mon Oct 27 16:34:10 2003

I have one if anyone would like to  buy it.

At 11:53 AM 10/27/2003, Bob Nielsen wrote:
>The Heil web site has instructions for installing one of their elements
>in a D104.  I need to dig around the garage and try to locate the one I
>have had since 1953 (unused since ~1961) and perform that mod.  I'll
>also have to replace the cord, since it is all dried up and cracked.
>
>I understand that the Heil element for the K2 is custom and different
>than the HC-4 or HC-5.  Does anyone know if that type is available by
>itself or if the others work well with a K2?
>
>Bob, N7XY
>
>On Sun, Oct 26, 2003 at 10:50:56PM -0800, Ron D'Eau Claire wrote:
> > The "Silver Lollipop" D104 mic is an icon of the past. Depending upon how
> > old it really is (it was only recently discontinued although it was
> > manufactured for over 50 years) you might not be giving it the best chance
> > just hooking it to a K2. The original D104 was a crystal microphone with a
> > very high impedance. The K2, like most newer rigs, is designed for a 
> dynamic
> > element. Later D104's used impedance transformers and I believe some even
> > had preamps to match the newer rigs. But if you have a true "old" D104, the
> > impedance mismatch can cause a very tilted frequency response. If so, it's
> > easy to cure, but it's worth looking into if you intend to use the 
> venerable
> > "lollipop" microphone on phone.
> >
> > Ron AC7AC
> >
> > -----Original Message-----
> >
> >
> >
> > Hi
> >
> > I  inherited this silver lollipop recently with the numbers "D-104 /
> > T-UG9" on it. It was new-in-box and it seemed a shame to let it languish
> > in the cellar. So yesterday I wired it up to an 8-pin mic connector and
> > had my xyl judge the audio out of the K-2 in test mode (SSBA BAL) while
> > I fooled with the OP1 bfo setting.
> > ...
> > but now that I see that ssb qrp is viable, I guess I'll give
> > it a try again some time.
> >
> > 73,
> > Lenny W2BVH
> >
> >
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>
>--
>Bob Nielsen, N7XY                          n7xy (at) n7xy.net
>Bainbridge Island, WA                      http://www.n7xy.net
>
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73, Chas,  W1CG
K2 462b, 3571 