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Turntable speed accuracy

There is another thread (about the NVS table) which has a subordinate discussion about turntable speed accuracy and different methods of checking. Some suggest using the Timeline laser, others use a strobe disk.

I assume everyone agrees that speed accuracy is of utmost importance. What is the best way to verify results? What is the most speed-accurate drive method? And is speed accuracy really the most important consideration for proper turntable design or are there some compromises with certain drive types that make others still viable?
peterayer
ecir38
155 posts
 
Canam, the newest model does that so it is easier to find the spot that is easiest for you to watch while the rest can be ignored. I think it is mentioned on the Sutherland website.
lewm
13,019 posts
 
Dear Dover, The statement you "struggle" with is really most applicable to belt-drive turntables, where the two paradigms are most obvious. Compare the Walker Proscenium or any Nottingham (weak motor/big platter school) to an SME or an Avid turntable (strong motor/relatively lightweight platter). And there are many more examples on either side that I am not thinking of at the moment. In direct-drive, we have the SP10 Mk3 (hi-torque) vs the Kenwood L07D (relatively lo-torque but no slouch for torque), but the contrast is not nearly so great since the Mk3 has a heavier platter than does the Kenwood, but the Kenwood is up there in weight compared to most others, e.g. Denon, Victor, Sony. Too bad Travis is preoccupied with moving from Tokyo to HK; he could quote more chapter and verse than I vis vintage dd's. And Kenwood and hi-end Pioneer (read "Exclusive") used coreless motors which tend to be less torque-y because hi-torque versions get too hot, according to my reading. With no core iron, the heat associated with hi-torque is not so well dissipated.
hiho
451 posts
 
Ketchup: "You would think that at least one of them was an audiophile today and maybe even posts on an audiophile forum, but I have never seen one of their posts."

You must be kidding me, right?

_______
nandric's avatar
nandric
4,086 posts
 
Ketchup, Well still a live are: Lurne, Kuzma, Driessen (Pluto) and Simon Yorke. To my knowledge only Lurne produced also DD TT's (Studio, Studietto) but in his own
company (Audiomeca) only belt driven TT's. It seems reasonable to think that they prefered belt drive. Lurne also published about his design phylosophy but I can't
recollect his thoughts about DD's.

Regards,
lespier
68 posts
 
Ketchup: "You would think that at least one of them was an audiophile today and maybe even posts on an audiophile forum, but I have never seen one of their posts."

There may well be, but I doubt very much they would post on an English speaking forum. Japanese? ...maybe!
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