A Copernican View of the Turntable System


Once again this site rejects my long posting so I need to post it via this link to my 'Systems' page
HERE
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Oh yes, who ever has experienced a well adjusted idler drive like in the EMT 927 or R 80 knows which kind of dynamics & musicality you may reach by ID. Nevertheless I also enjoy my BDs and the DD - so in principle you will reach good results with all drives but it depends how it is implemented. So far I have not seen combinations of two drives. Is it possible?

best @ fun only
well well, I received so many writings asking me to give some information about my assessment of the SME 20/2 that I am no more reluctant giving a brief review always having in mind that many of our community will face some problems "with my philosophy", having not the chance listening to my TTs in my environment which I regard as crucial for comparisons and also for better understanding of my position. So far only Dertonearm and my English friend are able to compare and understand, not necessarily share my position.

I for myself don't regard the perfect reproduction machines as the ones I
do favour. A really Top Performer needs to have a personality, a character which makes it really outstanding or brings it into a benchmark position. That doesn't mean coloured or distorted ( i hear the guns firing...). One of the last modern turntables I listened to and would put into this class is The Beat.

The SME 20/2 is in my honest opinion a fine reproduction machine but to my taste flat and not very vibrant. In terms of cars (pls. forgive me I am livng in this world) it is a Ford Mondeo. You like the brochure and when you sit in the car you are just sitting in a car...
Dear Thuchan, sure - combinations of two drive principles are possible (yet not necessary...and hardly ever useful).
But we can go for as well for other drive principles which - IMHO and soon to be put under the spell of quod erat demonstrandum - can offer a level of performance hardly obtainable by the 3 standard drive principles in tt design.
Cheers,
D.
Dear Syntax, not really simple in graduations - rather more or less convenient and simple to construct, but not ideal.
Each of these drives in turntable design do imply that there will be errors induced by the drive which have to be fought back by motor speed/torque control and a kind of "feedback-loop".
That - control by feedback-loop - already was an error when introduced in speaker designs in the 1970s.
The royal device is obvious - no error from the start.
Then one don't have to correct.
Somehow simple and logic.
Cheers,
D.