HR-10B

[Neil Morrison]

If the filament voltage is 20% high, you are running it from too high an
input voltage. You can use a Radio Shack filament transformer or similar to
buck the input voltage down.

Regards,

Neil

----- Original Message -----
From: "Ken" <ken at GREENPINE.COM>


> Speaking of HR-10B.  I acquired one from E-Bay a number of months back.
It
> looked in excellant condition but as they say looks can be deceiving.
>
> I have checked all the tubes on a Heathkit Tube Tester that I also have
> from many years ago. They all appear to test good. However the receiver
> seems to overload very easily. I am only using a piece of thin speaker
wire
> run around my L Shaped living room as an antenna.
>
> However after checking voltages at various points on the chassis I note
> that just about every voltage is about 20% high. Maybe a good reason for
> the overloaded signals.
>
> I am not an electronics expert as I am just studying for a license but am
I
> missing something obvious that would cause a 20% increase in all voltages.
>
> Ken K.

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