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

 

Faint hum Beogram 4000

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Manbearpig
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Manbearpig Posted: Fri, Aug 1 2014 4:44 PM

Dear members,

I've noticed a faint hum when spinning the platter of my Beogram 4000 from the inside of the deck. Sounds like an electrical hum (nothing mechanical). Would could cause that. It's performing really well and the hum can't be noticed when playing music. It's only noticeable when not playing music and spinning the platter.

Greetings,

Kai

Manbearpig
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No ideas? Maybe it's got something to do with the solenoid? Cheers, Kai

Peter
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Earsdon
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Peter replied on Sat, Aug 2 2014 10:22 AM

Certainly a reasonable thought - I suppose what you need to do is isolate the area it is coming from - a stethoscope could be handy! However if it has no impact upon the listening experience, i would leave it at present. There is a tendency with the 4000 that if you take it apart, you find more problems! Wait till it stops working!!

Peter

Manbearpig
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Thanks Peter. It's working as it should on all functions and the hum is not really distrubing. I just noticed since my other Beogram 4000 didn't have it. But this example hasn't been in use for many years. I gues this has got something to do with it. For the same reason both motors were initially a little noisier than on my other example. After lubrication and some use it became much better though. So much better that dropped my initial thought of swapping motors because there was hardly any more difference. Maybe it gets better with use. I'll leave it as is then.

Greetings,

Kai

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