Its high mass permits only mounting in heavier type tonearms.
To obtain all benefits of SPU 85 superb performance capabilities, it is important that the tonearms with which it is used be as rigid as possible with a minimum of resonance.
It must be correctly mounted and adjusted. Mount the SPU 85 on your tonearm and balance. Set tracking force between 3-4 grams, e.g. 3,5 grams. After setting tracking force, adjust antiskating.