The Strobe-It is a 12" diameter double sided setup tool, on one side is a strobe disc and on the other is a cartridge alignment gauge.
This strobe disc side has markings for 33.3, 45 and 78 rpm and should be used with a turntable speed 50Hz strobe light (not supplied) or the flickering obtained from some normal household lighting (ideally a basic incandescent bulb).
The Alignment protractor side features null points of 66.04mm and 120.99mm (Baerwald / Loefgren A).
