[Elecraft] Installing K2 Internal Mic Adaptor

[Don Wilhelm]

Roy,

I would suggest removing the capacitor and adding the 82 mHy shielded 
choke that is included with the A to B mod kit.  Yes, you will also have 
to add a 47k resistor in series with C24 (see the K2 A to B 
instructions).  That will make the sidetone smoothing equal to the post 
3000 SN K2s.

The 82 mHy inductor will be positioned high enough on the Control Board 
that it is out of the way for the installation of the IMA.

73,
Don W3FPR

On 8/23/2011 11:14 AM, Roy Morris wrote:
> My K2 is an early serial number (2###).  I am getting ready to install a K2
> Internal Mic Adaptor that fits between the control board and the front panel
> board.  There is a rather large component I mounted years ago on RP5 to
> smooth the sidetone.  This component (I believe it is a 47uF cap but not
> sure) needs to be removed or relocated in order to install the mic adaptor.
> Any suggestions would be appreciated.  Thanks   Roy Morris  W4WFB
>
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