Again many thanks for the info on the pulley and motor.
The 3D printer I was given permission to use is not a £200 toy it's an industrial size one we have at work and the stuff that comes out of her is amazing.
To rayma
Mine is an early one (1st serie) and doesn't have any groove on the plater
Regards
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Re: your question on the "pulley"... Not sure, but are you talking about the rubber drive belt? Anyway, will share what I found relating to the length of the thing. Perhaps you're still looking for an answer all these months later 
I did some Googling some months back to find that out for myself. Found an answer, somewhere on the interwebs, of 810mm in total. Can't find the source of that information anymore. The link is now dead. A friend used 2mm round o-ring rubber, cut it to a total length of 810mm, dipped the ends in alcohol to remove the oily residue, then joined the ends with superglue. Worked, and speed was close to perfect. Note that this was for a BD2. Hope it helps.
I did some Googling some months back to find that out for myself. Found an answer, somewhere on the interwebs, of 810mm in total. Can't find the source of that information anymore. The link is now dead. A friend used 2mm round o-ring rubber, cut it to a total length of 810mm, dipped the ends in alcohol to remove the oily residue, then joined the ends with superglue. Worked, and speed was close to perfect. Note that this was for a BD2. Hope it helps.
The Connoisseurs that I've seen all use the same belt. The correct size belt will fit around the platter
in the groove and stay in place, but will stretch enough for looping over the motor pulley.
A belt that has no elasticity won't work very well.
I've used aftermarket belts from this company, but the largest ones that fit the Connoisseurs
seem to be gone now.
http://www.russellind.com/prbline/
in the groove and stay in place, but will stretch enough for looping over the motor pulley.
A belt that has no elasticity won't work very well.
I've used aftermarket belts from this company, but the largest ones that fit the Connoisseurs
seem to be gone now.
http://www.russellind.com/prbline/
+1. The surface imperfections on the pulley directly translate into flutter (rapid speed variations); the pulley needs to have a precision mirror finish on the contact surfaces. Any wobble in the pulley will cause flutter, which causes a tremolo effect on steady tones.
Surface irregularities in the drive belt also cause flutter, and thickness variations along the drive belt give rise to wow, which can be heard as a kind of slowly repeating Doppler effect that occurs slightly less than once per revolution (because the belt is goes around completely slightly less than once per revolution).
I might have an old Connoisseur pulley lying around. I'll have a poke around in my workshop later today. If you can lathe one in aluminium it's likely to be better than the original pulley, which is only so-so in quality. An alternative is a Origin Live or similar replacement DC motor kit like this: https://www.originlive.com/hi-fi/turntable-upgrades-modification/turntable-motor-power-supply/
If you buy a replacement belt be sure to get on from a reputable hifi supplier like LP Gear or Decibel. Avoid generic or eBay ones which in my experience are usually shockingly bad.
https://www.decibelhifi.com.au/connoisseur-bd1-belt/
https://www.lpgear.com/product/CONN03.html
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