[Elecraft] D-104 Mic

[Don Wilhelm]

Don,

There was a report somewhere within the past few months that one ham
successfully used his unamplified D-104 with a low impedance rig (it may
have been a K2).  He simply added a series resistor to keep the mic looking
into a high impedance and it worked fine.  I have not tried it here, but I
would recommend that you use a series resistor value greater than 470k ohms.
The D-104 element has plenty of output voltage.

The amplified D-104s work just fine with low mic input impedance
transceivers.

You could search the reflector archives in case it was on this reflector (I
do think it was, but my memory is fuzzy).

Don W3FPR

> -----Original Message-----
>
>
> I have been reading about the  different microphones used by
> fellow K2 owners.
> A fellow ham encouraged me to  try a vantage, (1960s) D-104
> crystal mic for
> the K2. I had been using a Kenwood  MC-48B and it was working OK.
> I knew that
> the straight D-104 mic would not work  with the K2 as crystal
> mics are hi Z and
> the modern solid state Mic inputs are  low Z. One model of D-104
> however has
> an amp in it's base and it works fine. I  get better signals
> quality report
> with the D-104 then my previous mic. I don't  mind that the mic
> towers almost a
> foot over my K2 as I have big hands  anyway.
> Just another Idea.
>
> Don...KA7L
>

--
No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.5.441 / Virus Database: 268.18.3/699 - Release Date: 2/23/2007
1:26 PM