THREE MOTOR TURNTABLE

ANALOGIST · 19th March 2011, 07:17 AM

Just few weeks ago I did install on my turntable 3 motors.The results are impressive and well worth the efforts.

analog_sa · 19th March 2011, 09:15 AM

This story may be good for the pub but here we require more. And most importantly - PICS

ANALOGIST · 19th March 2011, 11:02 AM

One picture is on my introduction.
In short :the results are very good and have worth the efforts.
With more motors you get more details,better sound stage,a lot more information,much much bigger dynamics and much better timing...
I use three of them and all have new heavy pulley.I made a test with just one motor with this pulley and improvement was noticeable.
Under the motor is fixed one ball bearing on which is lying the motor shaft,so the motor is not over weighted due to bigger mass of the pulley.This bearing I bought from UK ebay.
I use on every motor one .22mf cap so they are shifted for 120 degrees.
This one is may way and you have many others out there and all have pros and cons,but I should stay away from those which use one single long belt.For long I have in mind the distance between pulley and touching point on platter.Bigger is this distance,bigger is jojo effect.

3GGG · 19th March 2011, 11:12 AM

Looks great, well done, just make sure those curtains dont get caught in those 3 motors:-)

ANALOGIST · 19th March 2011, 11:17 AM

Yes you can believe me,that results are really great and do not worry,the curtains are enough behind the turntable.

analog_sa · 19th March 2011, 12:07 PM

Great indeed. Are the main bearing and subplatter reused tt parts? What are the motors?

ANALOGIST · 19th March 2011, 12:37 PM

The turntable was designed by one my friend and was completely made in one our factory named TOMOS which was time ago famous motorbike producer.This was back in 1987 and 6 years ago the same guy made the tonearm on photo.The motors I bought from ebay and they will be as soon as possible changed with new premotec.Now they are mixed premotec and airpax.

TerryO · 20th March 2011, 02:06 AM

If you want a completely quiet turntable, just leave out the motors and belts. There's nothing quieter.

Best Regards,
TerryO

AEIOU · 20th March 2011, 02:27 AM

Quote:

Originally Posted by TerryO

If you want a completely quiet turntable, just leave out the motors and belts. There's nothing quieter.

Best Regards,
TerryO

Even better would be that steam powered turntable!

YouTube - Steampunk record player - first full test with steam.

TerryO · 20th March 2011, 04:03 AM

Quote:

Originally Posted by AEIOU

Even better would be that steam powered turntable!

YouTube - Steampunk record player - first full test with steam.

With a slow dialup connection, I don't usually download youtube videos...but I had to see this one! I thought he really needed a governor on the engine, but it was pretty darn cool just the same!

Best Regards,
TerryO

19th March 2011, 07:17 AM	#1
ANALOGIST diyAudio Member Join Date: Mar 2011	THREE MOTOR TURNTABLE Just few weeks ago I did install on my turntable 3 motors.The results are impressive and well worth the efforts.

20th March 2011, 02:06 AM	#8
TerryO diyAudio Member Join Date: Nov 2002 Location: Seattle,Wash.	If you want a completely quiet turntable, just leave out the motors and belts. There's nothing quieter. Best Regards, TerryO __________________ "If you have to ask why, then you're probably on the right track." quote from Terry Olson's DIYaudio Forum application

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19th March 2011, 09:15 AM	#2
analog_sa diyAudio Member Join Date: Aug 2002 Location: Sofia	This story may be good for the pub but here we require more. And most importantly - PICS

19th March 2011, 11:12 AM	#4
3GGG diyAudio Member Join Date: Mar 2010	Looks great, well done, just make sure those curtains dont get caught in those 3 motors:-)

19th March 2011, 11:17 AM	#5
ANALOGIST diyAudio Member Join Date: Mar 2011	Yes you can believe me,that results are really great and do not worry,the curtains are enough behind the turntable.

19th March 2011, 12:07 PM	#6
analog_sa diyAudio Member Join Date: Aug 2002 Location: Sofia	Great indeed. Are the main bearing and subplatter reused tt parts? What are the motors?

19th March 2011, 12:37 PM	#7
ANALOGIST diyAudio Member Join Date: Mar 2011	The turntable was designed by one my friend and was completely made in one our factory named TOMOS which was time ago famous motorbike producer.This was back in 1987 and 6 years ago the same guy made the tonearm on photo.The motors I bought from ebay and they will be as soon as possible changed with new premotec.Now they are mixed premotec and airpax.

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