[Premium-Rx] Plessey RX muddy sounding on SSB

[Ron Ott]

    On Thursday, April 10, 2025 at 09:01:52 AM PDT, premium-rx-request at mailman.qth.net <premium-rx-request at mailman.qth.net> wrote:  
 
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My humble suggestion is to look at the product detector circuitry and BFO.
GL de Ron W6XY

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Today's Topics:

  1. Plessey (Cecil acuff)
Another Plessey 2280 question.

I own one of these interesting radios and love it=E2=80=A6.but it seems to h=
ave problems on SSB.

When switched from AM to SSB the signal level drops, S meter and audio level=
.  It also has muddy, noisy audio in SSB.

I like to use SSB for ECSS reception of AM broadcasts.

Anyone seen this problem before?  Any suggestions as to where to start looki=
ng.

Also if anyone can provide it, I would like sources and p/n=E2=80=99s for th=
e parts to build extension cables that would allow me to work on the modules=
.

Any help will be much appreciated!

Cecil
K5DL
Sent from my iPad=

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