If you're only adding one, I'd suggest installing it in the 6.3MHz i.f., so
you can take advantage of PBT. The 10-pole 2.1KHz Inrad filter has very
nice tuneable rejection of adjacent signals.
Also, you have no control over the passband center in the 9MHz i.f., so the
resulting tonal balance may not be to your liking if installed in the 9MHz
slot. Personally. I've never liked a narrow ssb filter in the 9MHz slot
for this reason.
73, Barry N1EU
On Tue, Nov 5, 2013 at 2:44 AM, Ed Purvis <wa4njy@yahoo.com> wrote:
> I want to add a 2.1kc filter (Inrad) to my OMNI V. Is there any real
> difference if I use the 9mc or the 6.3mc IF?
>
> Never have liked a 1.8kc filter so the 2.1 will be fine.
>
> Thanks,
>
> Ed WA4NJY
> Bradenton, Fl
>
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