2. analog
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Has anyone had trouble with speed on their tt

I was having trouble with speed stability on a very expensive dual DC motor top of the line system of a well known brand from England. It was a terrible fight for years, I would get some good days and then the temperamental thing would drift or even radically switch speeds ending my listening session. I now have the perfect system and wondered if we could discuss this for other audio enthusiasts' sake.
zenbret

Showing 2 responses by dougdeacon

dougdeacon
3,338 posts
 
Mosin is right, for the second time in the same thread!
dougdeacon
3,338 posts
 
We have yet to define speed stability.
Glad to see someone acknowledging the complexity. The definition is actually simple. What's infinitely complex is the number of different time periods across which speed stability must be maintained - simultaneously - to assure musically accurate reproduction. This is routinely glossed over in discussions of speed stability.

No strobe (Timeline or otherwise) operates in short enough increments of time to detect micro-/pico-/nano-second variations. Knowing that a TT is speed stable across a time span of minutes tells us nothing about how stable or unstable it may be across a few thousandths or millionths of a second. Such short-period variations are just as audible and musically important, arguably more so.

The Timeline whoopla only considers speed stability across relatively lengthy time periods. While not insignificant, this ignores short-period speed stability issues that are more significant - at least to my ears. Its a bit of a tempest in a teacup.
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