[Elecraft] Let's Try This Again -- was "[K3] ... A 750 Hz, 8-Pole ... Filter?"

[Tom W8JI]

I would have no use for a 750 Hz filter. 99% of the time I use SSB bandwidth 
on emty CW bands, or less than 500 Hz BW.

I have my filters set so the 500 Hz roofing kicks in at 600 Hz BW, my 250 
roofing in at 350.

This is in an attempt to soften the big 50 Hz selectivity steps when using 
narrow filters. The only "selectivity thing" I would like to change is the 
huge percentage of step change at narrow selectivity.  I find the steps much 
too abrupt, especially when the DSP changes at the same time the roofing 
filter does in a step. :-)

The 50 Hz steps really annoy me at narrow CW selectivities.