Agreed with one exception; in the K3 the "roofing" (I hate that term) filter also rejects the 2nd i-f image.
Wes N7WS
--- On Sun, 7/18/10, Joe Subich, W4TV <lists at subich.com> wrote:
In either case the sole
design function of the "roofing" filter is to
protect the IF chain
from strong out of band signals.