musikdok is right that the oracle, w/its three springs, requires adjustment at initial set-up. but, it's not hard, & it stays adjusted once set-up. also, easy to check, w/a built-in bubble level on the suspended subchassis.
one of the things oracle learned from their original design was that a subchassis counterweight, opposite the tonearm, was wery effective in stabilizing the suspension - a recommended upgrade to the earlier oracle 'tables, now standard on the mk-v wersions...
doug