Anthony Holland O'Malley wrote:
> I am looking to purchase any of the following for my Argosy 525D:
>
> Mod217 CW filter, 500Hz--Mod219 CW filter, 250 Hz--Mod220 8-pole xtal
> filter--Mod223 noise blanker--Mod224 Audio CW filter.
>
> Any information on where I might pick up any of these would also be much
> appreciated.
>
> 73
>
> Tony, VE1THO
> omalley@dal.ca
The xtal filters appear here on the list for sale on a regular basis.
The NB is the proverbial hens's teeth, as is the Audio CW filter. I
often thought about looking for the outboard CW filter that went with
505/509 and adapting them internally. There is plenty of room in the
Argosy to do this. And the wiring is identical.
Ed W3NR
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