On Thu, 20 Aug 2009 07:30:39 -0400, Mark Robinson wrote:
>Hi Jim,
>What were the differences incorporated in the later 425 models to allow 30m
>operation?
Changes to the bandpass filters. For my two older amps that do work on 30M,
with the 40M position of the bandswitch, the load control tunes at about 3 and
the Tune control at about 0. All three of my Titans tune on 17 and 12 -- the
20M position of the bandswitch for 17, the 15M positilon for 12M.
73,
Jim K9YC
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|