[Elecraft] [K3] K3 Rev C DSP with Low Freq Enhancement

[Bob Cunnings]

Whatever happened to the filter being tested by Elecraft which was
described in this post:

http://marc.info/?l=elecraft&m=124561590925425&w=2

Bob NW8L

On Tue, Oct 13, 2009 at 1:37 AM, Eric Tichansky <no3m at no3m.net> wrote:
> Unfortunately, the issue with the 12 kHz leakage (DAC clock?) and beat
> notes (+/- CW sidetone around 12 kHz) make for some awful audio in CW.
> I guess most folks don't hear it, but given previous reports from
> others, it is an issue.  I can't comfortably use the K3 for CW unless
> using outboard low-pass audio filters to knock the high end garbage down
> to an in-audible level.
>
> 73
> Eric NO3M