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This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022

 

Beogram 3300 disc sensing

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pfcs49
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pfcs49 Posted: Thu, Aug 14 2014 4:05 PM

I have a Beo 3300 here in the kitchen/office are of this barn-house. A new LP arrived today and I thought I'd listen to it before taking it downstairs to the listening room, so I pulled th MMC-3 to clean it. When I reinstalled it, I must have hit the play button but I didn't get excited because I knew it wouldn't drop on an empty platter.

It did! Cart seems OK, but not a good thing. Any idea of a cause?

Dillen
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Dillen replied on Thu, Aug 14 2014 4:13 PM

The sensorarm does not  "look for" a record as it does on the older models (it's on the wrong side
of the tonearm to do so).
Record sensing is by weight. Antistatic mats (useless at best on most Beograms) will confuse the mech.
So will a stuck down center tap or similar.

Martin

pfcs49
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pfcs49 replied on Thu, Aug 14 2014 5:12 PM

Thanks, Dillen

the 45 adapter/33 centering ring are fully up and move freely

next?

pfcs49
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pfcs49 replied on Thu, Aug 14 2014 5:12 PM

Thanks, Dillen

the 45 adapter/33 centering ring are fully up and move freely

next?

pfcs49
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pfcs49 replied on Thu, Aug 14 2014 5:24 PM

so I removed the cartridge to investigate: it's OK now. Perhaps disturbing the spindle-sensor was all that was needed. The thing moves quite freely and snaps back up when released. It hadn't been disturbed for ~3 months. I'll worry about it if it happens again.

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