[R-390] Best approach for SSB mod on R-390A

[JAMES BRANNIGAN]

I use a CV-591 for SSB.
The "2 diode" mod increased the AGC attack time and was a vast 
improvement.
The R-390A is an OK SSB/CW receiver.  An a clear frequency the wider 
passband makes for nice listening.

Jim

On Tue, Dec 22, 2009 at 10:49 PM, Drew P. wrote:

> Tom Frobase wrote:
>
> "What is the suggested approach for SSB modification for the R-390A.
>
> Is the 2 diode modification worth attempting?   I know it has been
> covered here more than once just wanted to solicit the current 
> thinking
> on the matter ... thank you ... tom, N3LLL "
>
> I performed the 2 diode mod and I would characterize the results as a 
> night-and-day difference over stock.  It is extremely simple to 
> perform and gets you probably about 90% of the desired result with 
> less than 5% of the effort.  Give it a try, it is just as easy to undo 
> if you are not satisfied.
>
> Drew
>
>
>
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