2. analog
  3. 131114-2439

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 jea48

jea48
4,671 posts
 
cleeds
759 posts                                                                        08-25-2017 5:08pm

 moonglum
... something could be mechanically "bottoming out" if it is periodic e.g cartridge rear end hitting a warp or negative VTA ...
Certainly a pickup arm can be adjusted so that it and the VTA are too low, but there’s no such thing as a "negative VTA." That’s physically impossible.
cleeds,

Just a guess this is what moonglum is referring to when he said "negative VTA".
https://forum.audiogon.com/discussions/vta-high-low-where-you-go

Jim

More to discover