I noticed the same thing. Perhaps the crystal ladder filter is better
than a lattice filter, but I never noticed any difference. Seeing as how
the Collins name is "gold" in Japan (at least it was when I lived there
from 1992 thru 1995) I suspect this is just marketing gimick more than
anything else. Another popular radio manufacturer, AOR company, makes SWL
receivers and recently introduced a model including "Collins" filters. As
an owner of a couple S-lines, I can vouch the filters are good but I'd not
spend what Yaesu wants for one again.
On Tue, 22 Jul 1997, Robert G Collins wrote:
> Thanks to everyone for the helpful info on the Collins filter.....I now
> have it installed and know how to adjust it in my FT-900.
> My next question is does anyone know what the advantages/features that
> this filter adds to the radio. I have really not noticed any difference
> in the performance of my radio since the installation....is it the same
> bandwith??? does it give a sharper response???
> 73 rob n4yhd
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