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Obscure Rek-O-Kut question regarding S-120 tonearm geometry...any Rek-O-Kut gurus on the asylum?

I'm trying to mount a Rek-O-Kut S-120 arm on a Lenco L75 turntable. The pivot to spindle distance for the stock Lenco arm is 210.8mm. For the Rek-O-Kut, it's 209.5. The hole in the Lenco plinth allows for plenty of movement around the S-120 arm shaft to accomplish this. Using a laser beam level/pointer to align the site-line on a mirrored, standard Turntable Basics protractor and mounting a Stanton 681EEE cartridge perfectly straight inside the fixed position headshell, there is no position I can get the tonearm into wherein the protractor site-line lines up with the pivot point on the Rek-O-Kut arm and the cartridge alignment/overhang is correct. I have the original Rek-O-Kut N-33H table that this arm was mounted on with a factory cut hole. I performed the same experiment and it's the same issue. There is no position, the Rek-O-Kut plinth hole having barely any play for adjustment, where I can get the protractor site-line pointed directly at the pivot point of the tonearm while simultaneously having the cartridge align in the grid with the stylus tip on the little stylus point circle in the center.

Either one of four things are happening here: 1) The quoted spec for the Rek-O-Kut arm including the original factory measurements are incorrect. or 2. The Rek-O-Kut arm is based on some other alignment geometry besides standard Baerwald protractor specifications. or 3) I am doing something wrong and misunderstanding proper mounting procedure. or 4) other?

With all do respect to all the brilliant minds here on the asylum, can one or more of you people assist me in solving this puzzle?

Cheers!


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Topic - Obscure Rek-O-Kut question regarding S-120 tonearm geometry...any Rek-O-Kut gurus on the asylum? - Mr Blue Sky 16:27:22 06/19/12 (6)

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