[R-1051] mechanical filters

[Llgpt at aol.com]

In a message dated 8/10/2003 4:04:39 PM Central Daylight Time, 
stevehobensack at yahoo.com writes:

> The 3.8 khz mechanical filters in the r-1051b are just
> too wide for crowded ham band conditions. Has anyone
> succeeded in narrowing up the passband? What would
> happen if two 3.8 khz filters were cascaded ? Any
> thoughts on this will be appreciated.
> ....Steve....KJ8L
> 
> 
> 

An easy but expensive way would be to acquire a Hammarlund HC-10 or SPC-10 
(rare), they have an adjustable if input from 450 - 500 kc. That would add 
selectivity options along with much better audio, (3.2 ohm audio output). Or, just 
find a source of inexpensive 500 kc if mechanical filters.

Les Locklear


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