How to tell if Beomaster 900M has a stereo decoder?

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peternovy Posted: Tue, Sep 26 2017 9:20 PM

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Hi Everyone,

I just purchased my first vintage B&O, the Beomaster 900M. I am waiting for it to arrive and in the meantime I was wondering is there an easy way to tell if it has a stereo decoder installed? Possibly without looking inside?

I would greatly appreciate some help!

Thanks,

Peter

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Dillen replied on Tue, Sep 26 2017 9:51 PM

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Most Beomaster 900s that had the decoder installed also had the "DECODER" label placed on the backside.
But it could have fallen off - or the decoder could've been removed later...

The stereo decoder is present and working if you see the green "STEREO" indicator light up when you tune to a fairly good and strong FM station.
If the lamp has burned, you will have to listen for a sonical (spacial) difference when pressing the MONO switch.

Martin

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peternovy replied on Wed, Sep 27 2017 5:37 AM

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Great! Thank you!