>>>> The main receiver offset is -.97 but the new 2.k filter is marked -.93. >>>> My question is are these a match or did I get the wrong part? > > I think you may have received the wrong filter. Shows what I know. The matching spec is to within 40 Hz, so you in fact received the correct filter. Which is even better! 73, Lyle KK7P (who is eating crow...)