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Twin Audio Twin Audio is a manufacturer of hand made audiophile tube amplifiers.

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Old 17th May 2011, 09:35 AM   #1
Musik007 is offline Musik007  Hong Kong
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Birch Plywood Cabinets made by CNC machine
Default Birch Plywood Cabinets made by CNC machine

Hello,

I'm pleased to develop a new series cabinet made by CNC machine. High precision processing of CNC machine is able to cut any shapes on plywood. This is my first sample of a bookshelf cabinet for CHR-70. The material selected is Finland WISA birch plywood.

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Old 17th May 2011, 11:01 AM   #2
_henry_ is offline _henry_  Australia
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great news, im sure u will try some wild imagination soon

cheers
henry
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Old 17th May 2011, 11:50 AM   #3
Charles Darwin is offline Charles Darwin  United Kingdom
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With a CNC would it not be easy and better to NOT use right angles for the internal cavity so as to avoid parallel walls and the resulting standing waves?
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Old 17th May 2011, 12:09 PM   #4
CopperTop is offline CopperTop  United Kingdom
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I am liking that a lot! I've never made any speakers, but if and when I do, I will use that method.

The result of the unfinished or varnished ply will look very restrained and Scandinavian, or you can presumably veneer it. I'm almost tempted to start straight away...
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Old 17th May 2011, 05:31 PM   #5
Musik007 is offline Musik007  Hong Kong
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Birch Plywood Cabinets made by CNC machine
Hi henry,

I want to try something special.

Thanks,
Tony.
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great news, im sure u will try some wild imagination soon

cheers
henry
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Old 17th May 2011, 05:35 PM   #6
Musik007 is offline Musik007  Hong Kong
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Birch Plywood Cabinets made by CNC machine
Hi Charles,

Thanks for your remind. I want to keep the internal volume unchanged as Till 70's. I will put damping material into the cabinet.

Tony.
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With a CNC would it not be easy and better to NOT use right angles for the internal cavity so as to avoid parallel walls and the resulting standing waves?
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Old 17th May 2011, 06:37 PM   #7
badman is offline badman  United States
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Hi Charles,

Thanks for your remind. I want to keep the internal volume unchanged as Till 70's. I will put damping material into the cabinet.

Tony.
Asymmetrical "Wavy" walls would be the way to go... Just as easy but mobedda.
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Old 17th May 2011, 07:04 PM   #8
CharlieLaub is offline CharlieLaub  United States
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Birch Plywood Cabinets made by CNC machine
While you are considering changes... why not implement at least three holes in each piece in the same spot that could be used to align all of them. For instance, you could put a threaded rod through these holes to align the pieces and clamp them together while gluing the stack together...

Also, +1 on not using parallel, rectilinear inside walls.

-Charlie
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Old 18th May 2011, 04:55 PM   #9
Musik007 is offline Musik007  Hong Kong
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Birch Plywood Cabinets made by CNC machine
Hi Charlie,

Thanks for your recommendation. That is possible to do like this.

Thanks,
Tony.


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Originally Posted by CharlieLaub View Post
While you are considering changes... why not implement at least three holes in each piece in the same spot that could be used to align all of them. For instance, you could put a threaded rod through these holes to align the pieces and clamp them together while gluing the stack together...

Also, +1 on not using parallel, rectilinear inside walls.

-Charlie
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Old 25th May 2011, 02:25 AM   #10
Musik007 is offline Musik007  Hong Kong
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Birch Plywood Cabinets made by CNC machine
CNC programming and processing.
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