Measure the diameter of the platter on both units. Try and find someone who has a set of calipers. They are used by machinsts to make precision measurments.
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=96509
I have a MMF-7 with the speedbox and am V happy with it, till I can get a VPI and then a Teres. ;)
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=96509
I have a MMF-7 with the speedbox and am V happy with it, till I can get a VPI and then a Teres. ;)