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Help... my turntable is alive!

I am hearing a heartbeat through my turntable between tracks, and also when the music is very quite in the song's track. This noise is at 33 BPM in sync to the turntable rotation. It's very quiet unless of course the volume is turned up, but can clearly be heard. I don't think its rumble as it has a distinct "heartbeat" sound.

My turntable is a Basis 2500 with a Graham 2.2 arm and a Goldring 1042 cartridge set at 1.70 grams tracking force. Any guesses here? Is the bearing on the turntable shot?

Thanks
koestner

Showing 1 response by ochremoon

ochremoon
48 posts
 
@koestner 
Just a thought, but have you checked whether the records on which you hear this noise are properly centred? I believe that the cause of your noise could be the eccentric motion of the arm as it navigates an off-centre record.
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