[Elecraft] Recommended K3/100 filters

[Simon Brown (HB9DRV)]

FWIW I hear the difference as the 250Hz kicks in as I change the bandwidth 
from 300Hz down to 250Hz, the difference is (I think) less DSP noise - maybe 
Lyle can explain. It's not a problem at all.

For SSB I have the 1.8kHz and that really is a great filter, I was listening 
on 40m a few hours ago with 1.6kHz bandwidth - very, very good.

I agree about 1kHz for tuning about on CW.

Simon Brown, HB9DRV

----- Original Message ----- 
From: "Vic K2VCO" <vic at rakefet.com>
>
> For regular SSB work, the standard 2.7 kHz filter should be fine. The jury 
> is still out on whether the 8-pole 2.8 is worth the extra money.
>
> For CW, you should have the 500 or 400 (same caveat about the more 
> expensive 8-pole version).
>
> I have found the 1 kHz filter very useful for CW, because I like to listen 
> with a wider bandwidth.
>
> Probably only serious digital guys need the 250. Remember that you can 
> narrow the bandwidth with the DSP, and the filters are only used to 
> protect the DSP from signals greater than about S9+30.
>