You have the 4 pole SSB filter (that probably came from a Corsair) for
the 9 MHz IF, I believe. This is not the 217, 218 or 219 but was the
main IF filter for some earlier radios. It was a fine filter, but 4
poles is less than 8 poles so a lot of fellows swapped them out :-)
On Sep 19, 2006, at 5:24 AM, JT Croteau wrote:
> I have either a 217, 218, or a 219 filter board but not seeing any
> markings on the filter to identify what exactly it is. It has 4
> crystals and one crystal is marked with 8233. The bottom of the board
> is stamped with 584L (this is most likely the part number for the
> board and common to most filters).
WA3JPG
Clark Savage Turner, J.D., Ph.D.
Professor of Computer Science
Cal Poly State University
San Luis Obispo, CA. 93407
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