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-   -   DC motor for Rega P3, need help please. (http://www.diyaudio.com/forums/analogue-source/28575-dc-motor-rega-p3-need-help-please.html)

Vinyl-Addict 19th February 2004 11:10 PM

DC motor for Rega P3, need help please.
 
I want to replace the stock AC motor on my P3 with a DC motor and controller. Is there anything available other than the Origin Live Kit? It sells for approx. $525, I'd appreciate any input on this subject. Thanks in advance!:)

BTW, I am going to build a TT from scratch in the future so I can use this motor upgrade on that table.

Magura 19th February 2004 11:27 PM

Depending how handy you are with electronics, you could use a brushless DC motor and an electronic regulator for such.
The regulator can be bought in a computer hardware shop, and so can the motor for that kind of matter, since it can be sourced from a big fan (min. 120mm fan).

I am aware of the fact that such a solution dosnt come with the right brand names attached, but its sure as good as any of the expensive solutions, and its for a fraction of the price/ readily available.

Personally though, i would choose a dc servomotor with a tacho generator, its a very simple and reliable solution.

Magura:)

Vinyl-Addict 19th February 2004 11:56 PM

Quote:

Originally posted by Magura

Personally though, i would choose a dc servomotor with a tacho generator, its a very simple and reliable solution.

Magura:)

Thank you for the input. I am not good when it comes to electronics but I run a Machine shop. Do you know of a tacho generator in particular that I could buy? Are Maxon DC motors good, I know Teres uses them. Thanks again. -Frank-

Magura 20th February 2004 12:07 AM

Im a toolmaker in diecasting, so i see where you stand :)

I have a similar project running.

I have a SCT (servo control technology gmbh) type M586 with tacho generator.

I have made some tests with it, and it seems ideal. The tacho will give a liniar output voltage according to the RPM, so it can be used to control the whole thing with a few components (a PNP fet, a pot and a resistor).

The only problem is the lenght of the motor, but i intend to solve that by mounting it under the TT facing upwards or above facing downwards.


Magura:)

Magura 20th February 2004 12:09 AM

Ohh, i just noticed that this is a little misleading. The tacho generator is built in in the servomotor.

Magura:)


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