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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