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March 30, 2017
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March 30, 2017 - 7:09 pm
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Hi Dennis

I purchased the DIY plans and getting the tools and materials together for my first bass traps (been fun smuggling these in past my wife, one tool at a time :).

These are great plans so thank you for putting these together.

As I’m in Singapore, moisture levels are a concern with the MDF over the long-term. I have seen moisture resistant MDF which is supposedly 30% denser and uses some form of resin to make the MDF suitable in wet areas (bathroom etc). I’ve searched the internet but cannot find any reference to building acoustic traps with this material.

Obviously I don’t want to use it if it compromises the bass trap coefficent, but could save significant time not having to seal both the inside and outside with suitable prime.

Do you have any experience or advice with this material?
http://nstrading.sg/coloured-m…..ered-wood/

Many thanks

Matt

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Chief Acoustics Engineer
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April 2, 2017 - 4:59 pm
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Hi Matt, It is always about the rates and levels of absorption for the internal cabinet fill. Send me the links to materials available in your country and I will look at their performance. Send to info@acousticfields.com

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July 27, 2018
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July 27, 2018 - 1:50 pm
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I have an idea about perforated mdf Panels which panels you can be applied to your doors, fabric backgrounds and you can use it alternatively to provide ventilation where needed.

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July 27, 2018 - 4:30 pm
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R, Perforated panels are good for absorption above 90 Hz. provided they are at least 4″ deep. However, your design with an open back will be a limp mass absorber which will be valid above 125 Hz.

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