[Elecraft] Why is 600Hz Suggested For K2 CW

[Bozidar Benc]

> Mike
>
> I find 400 Hz and 250 Hz pretty good. 700 Hz is too wide, it lets a lot of
> noise through.
>
> Dave, G4AON
> K1 #1154, K2 #1892 (no audio filters added)


Dave,

I think that Mike was talking about the side tone frequency.