Many thanks indeed to all who have so kindly passed on valuable info and advice
on filters . The underlyingt suggestions advise just trying just one initially
until the radio is assembled and used for a period. I have done just that with
the 5-pole 500 filter - as it happens the cheapest too. I
I am about to purchase a K3 (k). My main interest is certainly CW with
occasional forays into SSB and even data, and I note the selection of roofing
filters available, no doubt the 8-pole are somewhat better but what is the
general feeling regarding the bandwidth(s) to be included.
Ivan G3IZD
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