Martin Ellis wrote:
> Hello Vic,
> Not sure of the serial # of your SB1000. I purchased a kit
> in 1989 from Portland Radio, and soon after assembly, I was
> advised that Heathkit had released a new plate circuit RFC.
> I was sent this FOC and the amp has operated safely on 17M
> (no ant on 12M). The new RFC has a narrow diameter section
> at the plate end. So if yours has a single diameter,
> you may wish to try a replacement from Ameritron.
I have done this, and the plate circuit seems to work fine.
> I simply moved the 15M input slug to be a compromise
> between 21MHz and 18MHZ.
I haven't been able to find a compromise setting that's satisfactory -- My
TS850 is
very sensitive to SWR. But maybe I need to work harder at trying to make this
adjustment.
Thanks,
Vic
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