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Old 25th September 2007, 06:59 PM   #1
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Default Dallas 2 building material question

Dallas 2 building material question

I have a quick question about the thickness of ply for the above enclosure.
I canít source 18mm (0.7in) ply where I live, but I can 15mm(0.59in). Is 15mm ply thick enough? Will it ring, or resonate to much? Has anybody built a Dallas2 with thinner ply?
Iím planning to put an extra back board to strengthen the enclosure, and fill all the voids with sand. Iím using ply made of beech, (http://en.wikipedia.org/wiki/Fagus_sylvatica) that is supposed to be the strongest, densest ply around these parts(850kg/m3).
I was planning to scale the plans to 15mm wood so that all the internal dimensions of the enclosure stay the same. Is this the correct way to do it ?

Any feedback from Dallas2 builders is appreciated.
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Old 25th September 2007, 11:11 PM   #2
ronc is offline ronc  United States
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Is 15mm ply thick enough? Will it ring, or resonate to much? Has anybody built a Dallas2 with thinner ply?

Shouldnt be a problem, just hold the inside to print dimensions.

ron
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Old 26th September 2007, 10:30 AM   #3
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Default Dallas 2 Design

Hello Mr.Mekulic,

I've seen this Dallas2 in photos on this site. What is the design you are using and where have you found it? Is there a plan with dimentions and information?

Thanks, MV
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Old 26th September 2007, 03:14 PM   #4
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Default Re: Dallas 2 Design

Quote:
Originally posted by mavallarino
Hello Mr.Mekulic,

I've seen this Dallas2 in photos on this site. What is the design you are using and where have you found it? Is there a plan with dimentions and information?
The plans are on the bottom of this page (pdf)

http://www.frugal-horn.com/ronhorns.html

http://homepage.mac.com/tlinespeaker...asII-plans.pdf

That is all I found, if anybody has any other plans please post.
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