I'd not have the KX3 without that option. But
perhaps it would be just fine if not working CW.
Same with the K3: Some do buy it with only the
standard 2.7 KHz filter, and no CW filters.
Phil W7OX
On 4/10/14, 7:56 AM, Phil Hystad wrote:
I have a curiosity question. Why is the KXFL3 roofing filter an option on the
KX3? I mean, why is it not a built-in feature of the KX3? First, I already
own a KX3 with the KXFL3 filter so I am not asking this in order to choose to
buy or not. Caveat: I am also a neophyte (philistine, ignorant, or
troglodyte) in this sort of radio technology and still in learner mode.
But, it seems to me that the KXFL3 roofing filter is almost required with a
radio as nice as the KX3. Without it, as I understand the function, any
crowded band interval like a pileup or close-in CW signals and such would
render a KX3 (without the roofing filter) with less than the usual Elecraft
stellar RX performance.
My guess, and this is only a wild guess, is that maybe the option leads this
space open to future improved roofing filters? Or, maybe even leave it open to
a 3rd party market supplied filter (although, I think this filter is
particularly different from other typical 3rd party filters).
73, phil, K7PEH
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