Bernie's suggestion is a good one Jim - you might try just a touch of
contact cleaner on the filter pins and several insertion cycles to try
and remove oxidation.
You could also jumper the 500hz filter slot with a ceramic capacitor
(.01-.1uF) to check that the slot is working, or try the 500hz filter
in the 250hz slot just as an experiment to see if that resolves the
attenuation problem (the slots are compensated specifically for the
indicated filters but this will result in just a tad extra gain with
the 500 in the 250 slot).
On Dec 22, 2007 9:57 PM, <K5XS@aol.com> wrote:
> Assuming they are press-in, you might check for oxidation on the
> pins/sockets. (But you've likely already done that...)
> Aside from that, I'd wonder if it worked okay in your friend's rig.
> Best of luck.
> In a message dated 12/22/2007 2:43:45 P.M. Central Standard Time,
> firstname.lastname@example.org writes:
> Recently I acquired a 500 Hz cw filter from a friend who was parting
> with corsair 2 to a fone operator
> I fitted this filter to my Corsair as per the instruction in the
> manual, the results have been disappointing
> I find that when I switch in the 500hz filter an S9 signal will drop
> to as low as S1 any help in resolving
> This problem would be most welcome .
> Thanks 73 Jim G4PPG
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