[Elecraft] filter offsets question

[Bruce Beford]

The 5-pole filters require an offset value, the 8-pole filters are
(nominally) a zero offset.
73,
Bruce, N1RX

> I note the filter settings in the K3 Utility; I further note that for 
> most of my filters, the offset is 0.00 but for the 2.7 KHz filter it is 
> -0.85.

> So why is it that, and no offset for the 2.1 KHz filter or the 250 Hz 
> filter?