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JMW9sig mistracking

I have recently accured a VPI SSM JMW9sig with a Grado platimum and love it (it replaced my LP12)
In general it tracks everything complex/loud /dynamic music no problems. BUT on some (3 so far) records its mistracking at the track lead in ie its fine while playing music but on the silence between tracks the arm shakes quite violently left to right and then mistracks.
Unfortunatly the records this happens on I bought after selling my LP12.
Is this purley a pressing issue or something more sinister ?
Phil
fled

Showing 1 response by jdolgin

jdolgin
82 posts
 
You can usually eliminate the grado dance on the JMW 9sig by adding the VPI 3 gm headshell weight. I used one with my Sonata and the dance was gone.
You can experiment by taking 3 gm of blue tac and placing it on the headshell, rebalance and give it a whirl.
I think you'll have the problem solved.
Jim
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