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Old 13th August 2010, 11:31 PM   #1
cbj591 is offline cbj591  United States
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Default Sourcing turntable parts

Good evening all

I have decided to try my hand at building a turntable. I was wondering if anyone can point me in the right direction to source the following parts

Motor and pod/housing ac/dc usa 60hz

Motor speed control

Main bearing and platter to fit

I am somewhat on a budget. I am not looking for a $400 bearing and $700 motor. Dont forget, I enjoy living and my wife would kill me if i go crazy on parts since we havent listened to a LP in a while. I hope this gives you an idea of what im looking for.

P.S. You Diy guys have sucked me in to your world. Now I just want to keep building stuff. It keeps me off the streets.

Thanks in advanced
Brian
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Old 14th August 2010, 02:11 AM   #2
AVWERK is offline AVWERK  United States
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Some times you can find VPI acrylic platters/spindles and motors/AC control on audiogon as upgrade paths someone didn't pursue.

Regards
David
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Old 14th August 2010, 04:19 AM   #3
mp9 is offline mp9  United States
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Teres - Sale
on the upper end of your budget but a key part so a worthy investment (there was a group going on here buy for these a while back).
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Old 14th August 2010, 05:49 AM   #4
benb is offline benb  United States
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For a bearing, there's this thread:
Magnetic turntable bearing
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Old 26th September 2010, 09:01 PM   #5
tmblack is offline tmblack  United Kingdom
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Is there an inexpensive source for motors?
Most of my turntables use 25 in belts and so a DC motor would be useful to produce both 33 and 45 rpms.
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Old 26th September 2010, 09:41 PM   #6
kevinkr is offline kevinkr  United States
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I gave up on the motor pod thing and just bought a Timaudio motor pod unit on eBay for $99 that I use to drive the rim of the platter in my just-for-fun diy TT project.. It seems quite speed stable, can't vouch for its durability as I have only had it for a week.

The platter, sub-platter and bearing are parts I purchased on eBay that originally lived in a Thorens TD-125 MKI.

Lots of parts are available on eBay..
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Last edited by kevinkr; 26th September 2010 at 09:43 PM.
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Old 28th September 2010, 03:56 AM   #7
tmblack is offline tmblack  United Kingdom
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Are there any places that sell replacement AC motors for old Pioneer or Technics turntables?
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Old 28th September 2010, 03:40 PM   #8
wjlamp is offline wjlamp  Greece
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Quote:
Originally Posted by tmblack View Post
Are there any places that sell replacement AC motors for old Pioneer or Technics turntables?
Hi

have a look at 1200s.com

B.L
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Old 29th September 2010, 01:12 AM   #9
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For my money, the AC hysteresis synchronous motor is an ideal turntable motor. They lock on AC line frequency like the typical stepper type synchronous motors commonly available, but unlike them have extremely smooth operation with essentially zero ripple torque.

Hysteresis synchronous motors were once used extensively for tape casptan drive, among other things. They're not much used anymore but they can be had on the surplus market, for example from [URL="http://www.surplussales.com/motors/Motors-2.html"]Surplus Sales of Nebraska. A couple of manufacturers may be still making new ones. I haven't priced any, but expect to pay a lot for a new one.

My turntable, which I built from scratch except for the tonearm and cartridge, uses a Beau Electronics 900 RPM hysteresis synchronous motor that I picked up as surplus about 20 years ago.

Good luck!
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Old 29th September 2010, 03:59 PM   #10
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Just out of interest, I am building a bit of a hybrid using Rega motor/sub platter/bearing and a Thorens TD150 main platter. I am going to machine a stepped aluminium ring to adapt the Rega sub platter to the Thorens outer platter. Why this route? I was concerned over possible wear in any Thorens main/motor bearings that would not be evident until they arrived. There was also the cost and future availabilty of these items. Virtually new Rega items have cost me about £40, including drive belt and replacements will be around for a long time. I did however want the look of a heavy cast platter so chose the Thorens TD150 outer platter at £10 on ebay. All a bit of an experiment but can't see any problems yet. The other route for someone using Rega mechanicals would be to use a rega glass or MDF platter which are available fairly cheaply.
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