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In Reply to: Re: OK, I think I've decided to build a turntable. But which one? posted by mosin on December 15, 2005 at 18:55:28:
I bought the crappiest looking [hence cheapest] rek-o-kut I could find on ebay to get the bearing and motor. The bearing mic's out to .002 with a spiral oil groove. Synchronous motor is very quiet. Got a used Rega 300 w/mods. Hopefully, will have a decent tt for my headphone setup on the cheap, after a bunch of work.Saying that, for a primary setup the Teres looks pretty sweet, esp. if you have the skills to produce their level of plinth work.
Follow Ups:
One aspect of the Rek-O-Kut that fascinates me, aside from its wonderful Papst motor, is the mating of steel with cast iron. It successfully mates the two using a few molecules of oil between their surfaces. Engine builders have known about this exquisite pair for years, yet turntable makers insist on using more difficult to maintain materials. One piece of grit in the wrong place, and your precision brass, or bronze, platter shaft sleeve is scored forever. Cast iron shrugs its shoulders, and quietly plays on.
So true, after 40+ years the clearances are still great, and that shaft groove is a wonderfully elegant solution to oiling issues.You mentioned a diy turntable, you've got the parts right there.
One thing about diy, it really makes you think about the forces working on a turntable. For instance, will I have more vibration going to the tonearm if I mount it to the plinth, where it is susceptable to motor and platter forces, or have it sit in it's own stand [a la Redpoint et al] and have it susceptable to environmental forces without the added mass of the plinth?
Thinking drags it out, but that's what brings out any innovation that you may have hidden away. The longer I work on mine, the more ideas come to mind. In the end, I believe I will get a good turntable that I can be proud of. At worst, I will have learned something about turntables that I didn't know before. There seems to be a sequencing to it all.
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