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The subchassis is isolated

Posted by 13th Duke of Wymbourne (A) on August 11, 2017 at 14:37:42

In Reply to: RE: not so strange, really posted by user510 on August 10, 2017 at 23:18:35:

In the link posted by kuma you see exactly what is going on and the player is resting on the bottom of the suspension springs. But, the sub-chassis is still floating as the springs sit in compression with a fixed end at the bottom of the bolt just as they are when a plinth is used. The difference in this case is that external vibration enters the system from the bottom of the suspension bolts and is then filtered by the suspension before entering the floating mass. With a plinth, external vibration enters the plinth then goes to the top plate and from there into the top of the suspension bolts where it is filtered before entering the floating mass.

To a first order, the isolation should be the same but the LP12 design is notorious/famous for being sensitive to its support so this mod will likely make a difference somehow. As official Linn updates are excruciatingly expensive this one is free, as noted by MaxwelIP.

I have toyed with the idea of re-finishing the plinth of my LP12 (way down the list of my audio priorities) so maybe I'll try this one day.

Regards
13DoW

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