[78-L] a shuddering stylus

[Julian Vein]

Malcolm Rockwell wrote:
> Has anyone else besides me noticed a little shudder of their tone arm 
> once a revolution on some pressings? It's especially prevalent at the 
> outside edge of indy 1950s issues, but not limited to them and can cause 
> the stylus to jump out of the groove in some instances. In fact I 
> recently received an RCA-Victor record with this problem. It seems to 
> disappear the closer to the center of the disc the groove is.
> I believe it's due to an unbalanced (or badly lubricated) lead screw, or 
> possibly a bad bearing at the outer end of the lead screw on the disc 
> cutter.
> Any other ideas?
> Mal
> 
> _______________________________________________
Sometimes a change of stylus tip size alleviates the problem.

      Julian Vein


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