[Icom] Inrad Filter Replacements?

Tue May 4 18:10:27 EDT 2004

Hi John,

For SSB operation, the FL-80/FL-44A pair is probably the best set of SSB
filters Icom ever made.

The 455 kHz Inrad 109 filter is an excellent alternative to the Icom FL-44A.
The Inrad 455 kHz CW filters are also very good alternate choices for the
FL-52A and FL-53A. In general, I tend to be cautious about installing the
wired-in Inrad 9 MHz filters, as lead dress is very critical. The miniature
coax jumpers required for connecting these filters into the IF chain can
give rise to blow-by (signal leakage around the filter).

Cheers for now, 73,
Adam VA7OJ/AB4OJ

-----Original Message-----
From: [email protected] [mailto:[email protected]]On
Behalf Of John Chesley
Sent: Tuesday, May 04, 2004 06:54
To: [email protected]
Subject: [Icom] Inrad Filter Replacements?

Hello,

I am considering replacing the stock Icom crystal filters in some of my rigs
with the Inrad units.  I was wondering if anyone has had experience with
these and if they are a substantial improvement over the Icom filters.  Many
of the units are wired in and tricky to install.  But if it makes a big
difference it will be worth it.  Any thoughts or experiences?

Thanks.

John, AK3Z