[R-390] R-391

[Walter Wilson]

I replaced all the low ohm (47?) resistors in the power and AF decks.
Not sure about the tag, but sounds like you have a nice one.
Congratulations!

Walter - KK4DF

On 12/10/06, edw488 at earthlink.net <edw488 at earthlink.net> wrote:
> I picked up a R-391 today at a radio auction, and have a few questions for the group. The radio is a Collins and looks fairly clean and unworn, came with original meters, covers, knobs, etc, just really dusty... and it does work quite fine, a pleasant surprise!
>
> First, what are the weak points of the R-391, besides the hot running 6082's? Aren't there some high watt resistors that get cooked?
>
> Second, the panel tag is kind of odd looking compared to other R-390 and 391 tags and carries a serial number of PP4. My guess is that it means "pre-production 4", anyone know for sure?
>
> Thank in advance guys, from Ed, N3LHB.
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-- 
Walter

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