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Old 10th May 2004, 08:46 AM   #1
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Default Crystal Controlled Turntable Power Supply

I have found by accident and interesting TT product. Maybe this prodcut also can be used in a phase locked loop?

http://www.wnaudio.com/turntablepsu.html
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Old 10th May 2004, 12:09 PM   #2
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From the description, is about the same ps I built.
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Old 12th May 2004, 03:38 PM   #3
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Default is there a thread?

Did you post a thread on this DIY build one?
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Old 12th May 2004, 09:22 PM   #4
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Search for "change in frequency mains".
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Old 24th May 2004, 03:40 PM   #5
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Default One day...

engineers will (re) discover an old and better technology for the TT, ditching the crappy belts and the noisy motors:
Quartz Locked Loop Direct-Drive.
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Old 24th May 2004, 07:17 PM   #6
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Carlos Prophet, have you compared your DD to any other belt drive?
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Old 25th May 2004, 08:55 AM   #7
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Of course.
The Rega P3 sounds undynamic to me.

And Rega TTs (and many others) use a slightly faster speed than the 33 1/3 to account for the belt getting older.
And that also gives a false sense of detail.
This is shocking to me.
Is there any precision here?
If DD wasn't better, then why would all decent tape decks (including Nakamichi) used them?
They massively reduced wow&flutter using quartz-locked direct-drive motors.
Isn't speed stability important?
People are paying 1k+ Euros for a PSU for their TT to get speed stability anywhere near a good DD TT.

Raka, until the mid-80's some very serious DD TTs were made (yes, much better than mine ), even by today's standards.
But audiophiles like to pay thousands for a crappy belt and an ultra-expensive PSU, motor...
BTW, belts don't last long, you know?
They loose their properties fast.
Precision with a belt?

I said purists will kill me.
But can anyone prove me wrong?

Just put a good DD motor on Linn LP12 and give it a go.
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Old 25th May 2004, 09:02 AM   #8
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Spend thousands on a PSU and see if you can get specs like this (my TT).
Also, look at the 10kg weight comparing with the cheap and suspensionless construction of the Regas.
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Old 25th May 2004, 09:35 AM   #9
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Carlos

You may wish to slightly broaden your listening horizons before proclaiming winners. The spec sheet you posted is exactly as meaningless as that of any Pioneer amp from 1974. Which is not to say there is anything inherently wrong with DD. It's just much more difficult to achieve outstanding sound using it.

Some of the most atrocious sounds in my home have come courtesy of the DD crowd darling - the Trio L07. A Dual 701 otoh offers amazingly good sound for the money.

Regarding the PS electronics it's obvious that a DD system is a lot more complex and finicky. It's only market forces which create the >1000 euros synchronous power supplies.

Using a Rega as a belt drive reference? Please give us a break.

Have you ever heard a good idler wheeler?
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Old 25th May 2004, 09:43 AM   #10
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That heatsink on the back of the PSU looks just like an ILP amplifier module...
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