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RE: Linn LP12 Bouncing Eratically During Playback

Posted by PAR on August 22, 2016 at 02:57:42

In Reply to: Linn LP12 Bouncing Eratically During Playback posted by Braxus on August 21, 2016 at 18:18:44:

AS everyone has correctly said your suspension is not correctly set. I will try to be a bit more specific.

First check the obvious tell tales for a mis-set Linn suspension. The arm board should have the same gap between it and the plinth all around. The armboard surface should also be level with the top the plinth at all points. The former is adjusted by rotating each of the rubber domes at the top of each spring and the latter by adjusting the nut at the bottom of each spring. To do this you will need to remove the base and find a way of working on the turntable while it is still perfectly horizontal.

Although the above adjustments are necessary to get the turntable to function correctly even if they are not perfectly set you should'nt get the problem you suffer from. This seems to me to be another aspect of setting the suspension which is the dressing of the arm cable. This should be anchored to the bottom of one of the cross member anchor points using a plastic "P" clip. A little slack should be allowed between the arm pillar and the clip so as to allow movement. The clip needs to be very firmly tightened. I suspect that your's is not tight enough and the arm cable has been pulled slightly through it so as to tighten the slack and to allow it to pull against the free bounce of the suspension.

Full instructions on setting up the Linn can be found on the Vinyl Engine website if you are registered there.

I also note your remark about closing the lid. The lid on the LP12 is not supposed to be used when playing records. This is why it is designed with the upper part of the hinges made so that they just lift out of the lower part attached to the plinth. The sound is far better with the lid off and it is only meant for protection when not in use.

Edits: 08/22/16

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