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Plywood or plaster board?
Plywood or plaster board?
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Old 3rd September 2019, 01:02 AM   #11
oohms is offline oohms  Australia
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Join Date: Feb 2010
Location: Melbourne
It depends what properties you want.. thick plasterboard stops a lot of sound transmission but you get the reflections. I imagine a material that reflects less would also let more sound transmit through it

You will most likely need additional sound treatment regardless if your choice
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Old 3rd October 2019, 06:47 PM   #12
Retsel is offline Retsel  United States
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Join Date: Jan 2005
Location: Ann Arbor, Michigan
Default Acoustic Fields recommends plywood

The sound engineer at Acoustic Fields says that hardwood veneered plywood has a better tone quality than drywall. They also say that the plywood, by virtue of the layering, has better internal dampening than drywall.

I am leaning toward plywood for my home theater/audio room build instead of drywall. Also, I am not concerned so about sound transmission out of the room, so I may opt for thinner plywood to help the bass escape which will help to avoid the creation of room modes compared to more stout wall material (i.e., double 5/8 inch drywall).

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Old 3rd October 2019, 06:55 PM   #13
JeffYoung is offline JeffYoung  Ireland
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Plywood or plaster board?
Anyone ever tried Homasote? (It's commonly used for model railroads because plywood transmits too much sound.)
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