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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
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rauliruegas
13,064 posts
 
Dear halcro: 1.5K?, ridiculous against that RX5000 that needs all that stuff to spin on target.

600.00 for my Denon and 250.00 for a Technics 1200 or 500.00 for the SP-10.

As I said: no big deal.

regards and enjoy the music,
R.
nandric's avatar
nandric
4,086 posts
 
Hiho, According to me this is a Brinkmann TT . Probable made for Burmester himself because of the colour. However I have no idea why Burmester is so fond of white colour. I also have no idea why Dertonarm posted such a criptic answer because he must be familiar with this TT.

Halcro, I have no intention at all to burn holes anywhere near my Kuzma. BTW I start my Kuzma manualy in such a way that the speed is perfect from the first groove on. The effect is less wear for the stylus as well for the motors (there are two in my Kuzma,you know ).

Regards,
ct0517's avatar
ct0517
2,041 posts
 
Dear Raul - $500 for a properly functioning SP-10MKII (with PS) ?

I will be sure to contact you the next time I buy one.

For the SP10MKII the following public data is published.

Speed fluctuation by load changes: 0% within 5kg-cm.

Can someone technical explain to me what "5kg - cm" really means in laymans terms. Can I really put that much weight in that area and it will stay accurate ?

D, Syntax, Thuchan - Did or do any current BD TT manufactures publish accuracy values ?

I would think that for someone interested in a high end platter/motor setup these types of figures attract the customer.

Like when buying a car.

0 - 100km in 4.5 seconds. :^)

As a customer without ever hearing it - the published numbers are what got me curious in the first place about an SP10mkII.

Cheers
ct0517's avatar
ct0517
2,041 posts
 
Revision - apologies - my question about "BD" data should be revised to Belt Drive, String Drive, Thread Drive, VHS Tape Drive, Beta Tape drive, Dental Floss Drive, ... fill in the next one.

... and is open to anyone to respond if you have any real info.

Whatever turns you on as long as you are having fun and have a sense of humor.

When I go to listen to a TT or any audio system I ask the owner to sing me one minute of their favourite song. Its amazing how many really $$$ systems have owners that can not carry a tune.

Well IMO - this thread is about a TT platter/motor being able to do its part in carrying a tune - its the foundation half. The other half is the tonearm/cartridge. A "really" good tonearm will make a cheap cartridge sound really good. Again IMO.


Cheers
syntax's avatar
syntax
2,193 posts
 
15 years ago I owned a DD Dual Turntable. Made in Germany, the best which was available at that time. I feel a bit guilty now when I read this thread, because I throw it away at the junk yard after listening to something serious.
At the moment this is used for Speed control .
But I am always ready to learn, in a few days I have the chance to listen to a rock port Sirius (DD) and a better Seiki (Belt) in the same System. The Rockport is a bit more than the accepted 300$ for a good Drive here, but nevertheless it is worth a listen...
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