2020 update : JC Verdier La Platine


A recent encounter with a JC Verdier dealer as well as a recent Audiogon discussion thread led to the start of this thread. He was in my house updating my La Platine which had been in storage for ten years with thread and oil. While he has high regards for the deck, his newer clients nevertheless prefer a Techdas iii than an 'old' La Platine. Given the proliferation of expensive decks in the past dozen years, La Platine has become very much under-appreciated. 

It's clear to me that the influence of the La Platine is everywhere to be found. Specifically, the magnetic suspension system that was employed 30+ years ago. Even SOTA offers their newer decks with mag. lev. features. And if you read this review: https://www.callas-audio.nl/Callas%20Platine%20Mod%20Kit%20Review.pdf, the Continuum Caliburn uses the same concept, which was not acknowledged in Fremer's review, albeit with more sophisticated , and expensive, execution.

It is also clear to me that there is much misunderstanding of the workings of the La Platine. I for one have contributed to this. The motor of the La Platine, for example, has been much maligned. The thread drive is another aspect of the turntable that have been described as inferior. With regard to the motor and thread drive, I have been set straight by Chris @ct0517 and Lyubomir @lbelchev. Experimenting with the different types of silk threads, the tightness to the platter  and a renewed understanding of the soundness of the Philips motor have been rewarded with better dynamics and transparency. 

The funny thing is that during the past two years of re-engagement with audio, I have questioned ownership of every components in my arsenal except the La Platine. It has always been a keeper. I wonder if La Platine owners would contribute to celebrating this 'old' deck with tales, advice, and insights?

Cheers!
ledoux1238

@lewm i can see where the idea comes from. in a way this is what i've got right now as i have globs of wax on the rim area (as well as micro gauges in metal).  it sounds great!

i think with tape it is a bit like linen in that it has no elasticity and so is run with very little tension.  in this way it isolates the platter from motor noise to a degree.  as @dover alludes to above though, silk does have some give, and i find silk thread, in the dead of the night, one can clearly hear that it means much less noise in system (when the tension is just so).  but of course i haven't tried tape.

i presume tape would be quite good but i must admit i don't know how to get started there.  tying knots in thread is about my level of expertise.

@mr_gray Thank you for offering to sent me your belts. Please hold on to that idea. I just ordered a 2mm round belt to try. I’ll PM you. 
 Also, please update on your motor project.

 

@thekong Thanks for reminding me of  @mtemur ‘s top choice, the Kondo thread. 
 

@lewn Thom Galibier’s research into his motor drive and belt / thread is very thorough and well documented on his web-site. As he puts it, the interactions between  motor and platter are balancing acts of isolation vs coupling. He machines his own cylindrical pulleys to very tight tolerances to work with the tape belts. Frankly, I find his method most convincing. But since they are produced in small batches, rather pricey. And I suspect there are quite a few adopters of his motor drive for La Platine. 

 

@ledoux1238 oh i read that article.  it is excellent.  i would love to try one their motors.  but instead i will try and cobble together my custom creation comprising:

- a crucible (8kg of mass, drillable and the right height)

- 150 dollar AC motor recommended by NIck from LDA

- Long Dog Speed Controller

- 40 mm pulley from the pulley kings in england

- 12 mm pulley to act as a sort of collet for the above pulley

- expensive power cords to feed the LDA speed Controller and to power the motor.

 

If it works well i will feel jubilant.  if it doesn't i will be none the wiser really as the lack of performance could be my build or the concept broadly.  i think if it doesnt work i might sell something, push the boat out and order a tape drive from galibier.  i don't fancy the vitesse or derenveville as i think they both use pretty standard DC motors and whilst convenient, won't offer the kind of upgrade i am after.

https://hicoballoons.com/product/blue-mylar-ribbon/
 

I have been making TT belts out of this kind of Mylar ribbon for years, but I have yet to try it on the Verdier. As the pulley on my other table was relatively short, I couldn’t use the 0.75” to 1” wide Mylar ribbons as proposed by Galibier and Teres users. I have made an extra long belt out of this Mylar ribbon for my friend’s TW Acustic Black Night with the triple pulley motor system.