[Tech-Assist] Convert Harris FM5K to SS IPA

Mike McCarthy towers at mre.com
Mon Mar 26 16:05:24 CDT 2012


I don't think the 5 is the same.  When I pulled a 5K out a few years ago,
I seem to recall it had the same cavity and socket as the 10 and 20 and
used a single 4CX250 for the driving the 4CX5000 tube. If that's the case
in this one, there is no real simple way to convert it to a SS IPA short
of redesigning the grid circuit.  The 5, 10 and 20 all shared similar grid
designs.

MM

> Been a long while since I've seen a 5K; so memory might be
> faulty
>
> On the 2.5K/H series, the IPA is connected to the PA cavity
> by a coax jumper.



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