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Upgrades to Sota Cosmos IV

Hi all,

My Sota Cosmos IV is currently back at the factory for a service and some upgrades.  I was wondering whether to do the Pump/Power Supply Series VI upgrades and the Eclipse DC motor upgrades. 

Has anyone upgraded their older Cosmos to current specs and did both of these upgrades make any significant difference to its performance? The only upgrade I was contemplating was the platter to the new magnetic revelation platter.

The costs of the upgrades be better spent on a new cartridge?

Thanks
Alan

jazzao1

Showing 1 response by montaldo

montaldo
202 posts
 
Do any of you know whether the maglev bearing would have any effect in reducing groove noise or other record noise? Or does it only reduce low frequency "rumble" of the bearing? I currently have an old star sapphire vacuum but am thinking of buying a later model and having the maglev installed.

My hope is to reduce noise and maybe increase bass defition and or dynamics.  I would hate to drop net $3k on a used table and upgrade and find it sounds not much better than what I have now.
Thanks!
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