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
Dear Raul,
I know about the theoretical discussions you are referring to and so many people in this business. Regarding practical issues when it comes to listening it is not about the turntable adding something or not! This is not my point. You may bring down a turntable to neutrality and it sounds shitty or let's say clinical cold.I have heard so many totally neutral turntables and the owners were proud of their sound. Fine. The real art in turntable building or let's say also in dealing with different concepts/drives and comparing those is based on the ability of the turntable to transport the signal in an uncoloured and undistorted way - which does not mean that all turntables doing this are equal or coming with the same sonic footprint (!).

When you ever had the chance listening to an EMT 927 or to a very good DD or to a brillant belt concept ( lets take the Continuum as an example ), and I am sure you can, you will agree that although they are playing music in a wonderful way, they offer some differences. From my point of view it is the biggest missjudgement to put these differences (dynamics, musicality, bass grounding etc.) only to artifical add ons which should not be there.

Some people don't like the sound of idler wheels.I believe it is good listening to a well adjusted idler wheel. I have experienced the differences also of various prominent brands and models, good sounding and not good sounding idler wheels. An idler wheel can be very dynamically. Is this generally coloration or distortion in your definition? Or are you referring to not well adjusted tables - which is different.

If for example a SME is an absolutely neutral turntable in your or other people' s experience and you regard the sound it makes as a benchmark "in your undistorted world" perfect! For me it is not benchmark! But this is up to the preferences one has. I am sure we both must and will live with our different way of approaching practical listening experiences. What I am saying is: Too much in this forum is only and more or less theroretical based. Maybe we can bring some colour into it :-)

best @ fun only

best @ fun only
Dear Syntax,

you are saying speed stability has nothing to do with sound quality. How do you mean this? If the speed is varying enormously during the playback process it leads not only to deviations in wow & flutter but you can also hear an impact on the sound, I mean I can hear it. And I believe you do too !?

best @ fun only
Peterayer,
I could not find the Wave Kinetics thread anymore too? Sometimes it happens that a thread disappears by accident. Do you have some information? You suggested this new wonderful thread.

best @ fun only
Thuchan,
I don't know what happened to the Wave Kinetics NVS thread. I enjoyed that thread because with such a new design, there is very little information in the popular press, so forums like these can be very helpful.

I started this thread because that NVS thread was going off topic and becoming a discussion about speed stability and different drive types. I wanted it to go back to its original focus. And yes, this thread is wonderful and I've learned a lot about the topic of speed, how to maintain it and how it effects the sound.

Threads have a way of disappearing and it is not always by accident. I have no information. Perhaps Jtinn knows something.
Sometimes threads do accidentally get 'wiped' by an administrator.
It's happened to me twice and when I contacted A'Gon ........they retrieved them.
Have you tried that?