[Elecraft] Mic plug wiring?

Thu Sep 11 19:39:01 2003

Don:

I have both Heil elements in my D-104 with a mercury switch.  To use the DX 
element, just turn the mic upside down.

Alan
W1HYV

>From: "Don Wilhelm" <[email protected]>
>Reply-To: "Don Wilhelm" <[email protected]>
>To: "Tom, W6WW" <[email protected]>,"- Elecraft" <[email protected]>
>Subject: Re: [Elecraft] Mic plug wiring?
>Date: Thu, 11 Sep 2003 18:49:08 -0400
>
>Tom,
>
>A mic plug is available at Radio Shack - 274-001 CB & Ham Microphone Plug.
>How you wire the plug depends on how you configured the mic header on the 
>K2
>front panel board as well as the particular D-104 mic and stand that you
>have there - so I really can't answer that part for you without a lot more
>information.
>
>Now about your D-104.  If you have the amplified version, it should work
>fine - just add the plug to the end of the mic cable.
>
>However, if you have the unamplified version, the mic element a crystal 
>type
>and needs a high impedance (10K or greater) at the transciever.
>Unfortunately, the K2 (and most modern rigs as well) are designed for a low
>impedance (about 600 ohm) microphone.  You can add a high impedance input
>preamplifier as several folks have done - there was an article in QST a
>while back on using the D-104 with modern transceivers that may help you.
>
>I solved the problem here by replacing the crystal mic element with a Heil
>element - I like the lollipop mic and couldn't resist trying the Heil
>element too - I got the best of both worlds.  YMMV.
>
>73,
>Don W3FPR
>
>----- Original Message -----
>
>| I have just finished the KSB2 and need to connect my D104 microphone, but
>I
>| have some questions I hope someone can help me with.
>|
>|  - Where do I buy a plug for the mic cable? What is the nomenclature and
>who
>| sells it?
>|  - Which wires go where on the plug.
>|  - Do I need to modify the K2 mic input in any way to accommodate the
>D104?
>|
>
>
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