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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
tvad
9,467 posts
 
Finally, I think member TVAD could advise you better than I (BTW, TVAD is a former MMF-7 owner).
Dweller (Threads | Answers)

I heard speed variations in my MMF-7, and the solution I chose was to sell the table and buy something else. I didn't spend any time trying to fix the MMF-7's speed issue. It wasn't worth my time.
lrmellon OP
33 posts
 
I jus tried my friend's mmf-7.1 in my system and it played beautifully: no speed problems whatsoever. I have offered him to buy it and he agreed (he is going back to Rega).

But, I still need to make the mmf-7 work: I'll give it to my older daughter (now a college student) who has a keen interest in audio (I guess the apple didn't fall far from the tree).
tvad
9,467 posts
 
Does your friend's interest in going back to Rega raise a caution flag?
lrmellon OP
33 posts
 
Nope, not at all; he was very happy with his mmf-7.1: just the upgrade bug. I simply asked at the perfect time.

You seem not really happy with Music Hall turntables: may I know why?
tvad
9,467 posts
 
You seem not really happy with Music Hall turntables: may I know why?
Lrmellon (Answers)

Speed instability. Lack of easy adjustments. Build quality.
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