STP distance. Is it critical ?


Is the Spindle To Pivot distance critical with a slotted headshell.

I am talking a difference of +/- 1 or 2 mm.

For sake of discussion, i have a Graham Phantom II and a Mint LP.
Will i still be able to track the entire arc if the stp distance is off a bit?

The specs are:
STP distance is 217.5mm
Effective length is 235mm
smoffatt

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Yes, it is critical. When you want to have the specs from the manufacturer to get the best result of this calculated Arm. Some Arms work also with differences (Loefgren and Baerwald are not the only valid datas), but then you need a different alignment System. Otherwise you will ruin the grooves sooner or later. Analog reproduction is precision.