[Elecraft] Is the Krx3 plus Ksyn3a compatible with a K3s?????

Don Wilhelm don at w3fpr.com
Mon Jul 5 14:11:08 EDT 2021


Paul,

The combo of the KRX3 and K3S is not a problem.

There is an added capacitor for the KRX3A to increase the low frequency 
sensitivity (by reducing the noise component) - Important to those who 
want to use the KRX3 for VLF operation.
I believe the instructions for modding the KRX3 to the KRX3A level 
should be available on the Elecraft website.
The capacitor is a low profile large value tantalum type.  It is 
soldered near the center of the board.

73,
Don W3FPR

On 7/5/2021 1:53 PM, Paul GACEK via Elecraft wrote:
> Happy 4th to all those that celebrate it/care about it.
>
> I have removed a working krx3 (not krx3a) from a working K3.
>
> I have separately acquired a ksyn3A.
>
> Two questions;
> 1) what are the differences between the krx3 and krx3a?
>
> 2) is my combo of Ksyn3a and krx3 compatible with a K3s?
>
>



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