How much suspension movement on a Thorens TD-160 [Archive]

Paul-H

09-12-2016, 16:07

Hi all

With a Thorens TD-160 Mk1 Turntable, when its properly setup how much suspension travel should there be.

On mine the suspesion is set to give 6mm clearance between platter and plinth top but the suspension only has about 2mm movement, is that correct.

Seen videos which appear to much more movement with some seeming able to bounce for ages.

Is there a nominal figure for suspension travel when set correctly.

Thanks for any input on this

Paul

DSJR

09-12-2016, 16:28

With both platters in place, check to see if you look along the top plate from the side, you should *just* be able to see the underside edge of the inner hub.

Depending on the age of the 160, in mk2 onwards models, there's a hole in the top plate alongside the left suspension bolt and a corresponding hole in the sub-chassis. On the bottom of eack spring assembly, there's a black cam washer between the bottom grommet and the level adjusting nut. if the sub chassis looks correctly centred as per the holes I mentioned, only adjust the levelling/height nuts while holding the cam washers still, If they move at all, the suspension will need centring again. I believe when made, this process took a highly skilled operator around five minutes per deck. An unskilled owner or a retired Thorens setter-upper like me may well need half an hour to do it right.

Treat the TD160 like a Linn LP12 when setting up. I know they differ in detail, but they respond the same to some thoughtful care and attention. I should have got my old LP12 jig back when the store I worked in all but packed it in for enthusiast gear, but I didn't and it was chucked out last year when the business changed hands I'm sad to say. probably best to use tall jars to stand the plinth above the worktop, but make sure the deck is level before tinkering around.