Compressed layer options for diy teres plynth/platter

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StylinLP38

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The end is in sight! My two year project is almost completed. This diy teres turntable is about it get it's motor from Chris Brady. Woot.

At the Rocky Mountain Audio Fest last weekend I asked some of his co-reps about my table. They suggested I should look into possibly gluing the layers together with some sort of damping elastic polymer glue stuff. As you can see from the picture the platter, plynth and armboard is just bolted together with non-magnetic machine bolts.

Any opinions on what I should do to really take this table to the next level? (dang I wish I could afford Chris's new Verus drive. Sigh)




hurdy_gurdyman

Re: Compressed layer options for diy teres plynth/platter
« Reply #1 on: 24 Oct 2007, 08:17 pm »
That sure looks pretty! You can tell a lot of work went into it.

Dave :)

StylinLP

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Re: Compressed layer options for diy teres plynth/platter
« Reply #2 on: 24 Oct 2007, 09:09 pm »
Thank you for your kind comments. Its been a two your project so far. Tough project when your broke all the time. hehe.

I was hoping to solicite some opinions on how to bolt these layers together besides just non-magnetic bolts. The Teres guys suggested gluing the layers together along with the bolts with some sort of polymer damping stuff. Any idea's?

Wayner

Re: Compressed layer options for diy teres plynth/platter
« Reply #3 on: 24 Oct 2007, 09:33 pm »
Until you have the table done and are listening to it, I wouldn't glue anything together. You may regret it later when you decide to do some tweaking. I think your platter is fine. Try some different mat materials, things like that. Who knows what motor noise might show up.

Great looking project. You've been at it for 2 years, so a little more patients will bring great rewards!

Wayner  8)

Vinyl-Addict

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Re: Compressed layer options for diy teres plynth/platter
« Reply #4 on: 24 Oct 2007, 11:03 pm »
The end is in sight! My two year project is almost completed. This diy teres turntable is about it get it's motor from Chris Brady. Woot.

At the Rocky Mountain Audio Fest last weekend I asked some of his co-reps about my table. They suggested I should look into possibly gluing the layers together with some sort of damping elastic polymer glue stuff. As you can see from the picture the platter, plynth and armboard is just bolted together with non-magnetic machine bolts.

Any opinions on what I should do to really take this table to the next level? (dang I wish I could afford Chris's new Verus drive. Sigh)


Was the 2 piece platter machined after bolting together or did you finish machine both pieces separately and then bolt together. If so, did you use a torque wrench to tighten the bolts holding the platter together?

One other thing I wanted to mention. I see you are using SHC screws to bolt the plinth together. From past experience using this approach, I cracked the acrylic where the head of the cap screw meets the acrylic. I ended up using washers under the cap screws to prevent this from happening, although I have since been using flat head screws. You get much better contact and don't have to worry about cracking the acrylic.
Nice job!

jules

Re: Compressed layer options for diy teres plynth/platter
« Reply #5 on: 24 Oct 2007, 11:26 pm »
That's looking fantastic Stylin!

I'd really like to have a close look at the engineering there, but, a question ... what's the heavy steel circular gadget in the top right of the first picture?

Also ... What's the metal under the acrylic?

jules