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Music Hall mmf-7 spins faster

I have a Music Hall mmf-7 turntable (EAR 834P phono preamp) and it spins faster than normal. I bought a new motor and a new belt from Roy Hall, but it didn't change a thing. I borrowed my friends' motor (he has an mmf-7.1): no change... I even bought a Pro-Ject Speed Box (on Roy Hall's advice): it still spins faster. My cartridge is a Sumiko Blackbird. I really don't know what much else to do: any ideas? Did someone run into this problem?

I am desperate.
lrmellon

Showing 1 response by wkhanna

wkhanna
13 posts
 
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. ;)
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