[Elecraft] Another 'K3 is coming question'

[Greg - AB7R]

You should not have to make any modifications provided the wiring is per the diagram 
in the manual and on the FAQ.  The K3 has the ability in the MIC SRC menu to add bias 
or not and to provide LO or HI gain.

-------------------------
73,
Greg - AB7R
Whidbey Island WA
NA-065
K3#0009

On Thu Nov  8  9:51 , David Wilburn  sent:

>But if you wire your K2 for straight through, and use the MH2, doesn't a
>resistor must be mounted inside the rig or inside the rig?  In my case,
>I wired it inside the rig, to keep the MH2 in its original state, if I
>decided to sell it.
>
>If I understand correctly, since I did not put the resistor on the mic,
>and when I get a K3, I will be able to use this mic on the K3, since it
>has adjustable pre-amp gain?  According to the FAQ.
>-  
>
>David Wilburn
>dave.wilburn at verizon.net
>K4DGW
>K2 S/N 5982
>
>
>On Wed, 2007-11-07 at 20:08 -0800, Lyle Johnson wrote:
>> > I assume the microphone connector can be configured to suit different 
>> > microphones, just like the K2...
>> 
>> The K3 has fixed wiring rather than a jumper block.  It matches the 
>> wiring of the MH2, Elecraft's electrically and aesthetically compatible 
>> microphone.
>> 
>> The pinout of the K3 microphone is consistent with the K2 if the jumpers 
>> in the K2 are in a row.  It is generally consistent with many Kenwood 
>> microphones.
>> 
>> A detailed drawing of the K3 mic connector and its pinout are in the FAQ 
>> http://www.elecraft.com/K3/K3FAQ.htm >, locate the _Interfacing_ 
>> heading near the top of the page and click on _Mic Diagram (front)_ for 
>> details.
>> 
>> BACKGROUND
>> 
>> When the K2 was introduced 8 years ago, Elecraft did not offer a 
>> microphone.  The radio's early adopters were primarily CW operators, 
>> most of whom seem to own a variety of designer paddles, but don't like 
>> to admit owning microphones -- having only one is deemed sufficient, and 
>> that one might have an uncertain pedigree :-)
>> 
>> Making the K2 microphone-agnostic was an appropriate design choice, and 
>> for a radio that must be hand-built as a kit, it is a reasonable thing 
>> to allow the builder to configure.
>> 
>> Unfortunately, if the K2 and its mic get separated, you can never really 
>> be sure if you should connect a microphone configured to be compatible 
>> with wiring for Icom, Yaesu, Kenwood or some other wiring scheme.  My K2 
>> is wired differently than the K2's of some of my friends, so they can't 
>> use my mic on their radios, nor can I use their mics on my K2.
>> 
>> With the MH2, Elecraft has an electrically and aesthetically compatible 
>> product offering.  Jumper configuration seems less compelling than it 
>> did. If you have both a K2 and a K3, the K2 is easily wired to match the K3!
>> 
>> I seem to offer long answers to short questions...
>> 
>> 73,
>> 
>> Lyle KK7P
>> 
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