[Elecraft] Filter Recommendations

[Nate Bargmann]

* On 2018 26 Aug 07:46 -0500, Lee Murrah via Elecraft wrote:
> I am looking to upgrade my K3S with filters and am using the DX
> version of the radio as a guide.  What is the advantage of the 2.8 KHz
> filter over the stock 2.7?  What does the 2.1 KHz filter do for you?

I have the 2.7 and 2.1 filters for SSB work.  I'm often on a 75m net with a
group that is 2 kHz below the net frequency.  With the 2.1 kHz filter I
can dial the Hi Cut down to 2.05 kHz and I don't hear them at all while
still having excellent intelligibility of the net.  For the QSO Party
this weekend, I can dial the width down to just where the 2.1 kHz is
switched in and operate without a lot of squeaks and squawks.

In years past I bought a TS-850S fitted with a 1.8 kHz Kenwood filter
which was next to useless as the speech was not intelligible.  I sold it
and bought a pair of INRAD 2.1 kHz filters (one for each IF) which
really made that radio work very well until it had other issues.  I've
been a fan of the INRAD 2.1 kHz filter for narrow SSB work ever since.

The K3[S] with the choice of Hi/Lo Cut or Width and shift, allows one to
make maximum use of the filtering depending on the need.  ++++

73, Nate, N0NB

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