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ACDA 12 cabinet mod….
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March 18, 2023 - 3:46 pm
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Greetings. I’m in the planning stage of treating my drum room. I know I’m going to build 8 ACDA 12 cabinets to start. My first question is, how will it affect the absorption rate if I build 4 of my cabinets 48”x96”x16” instead of the standard 30”x60”x16” cabinets..? My cabinets will be oriented with the 48” dimension as the height and the 96” dimension as the length. Secondly, how would I determine the amount of activated carbon I will need for cabinets that size..? lxwxh…? My plan is to cover the cabinets in Tolex and use speaker grill cloth to cover the foam … will the speaker cloth be an acceptable fabric to use..? Thank you in advance for your replies.
Doug.

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March 18, 2023 - 4:51 pm
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Our 30″ w x 60″ h x 16″ ACDA -12 unit weighs 240 lbs. This produces 19 lbs. / sq / ft. density. Building the units the size you have indicated will result in a unit to heavy to manage and too dangerous to build. Stay with our production unit size. It has been field tested 14 years.

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March 18, 2023 - 7:44 pm
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Thank you Mr. Foley, I will build the cabinets to your specs then. How about the speaker grill cloth, will that be an acceptable fabric to cover your foam …?

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March 19, 2023 - 9:59 am
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Be careful with products that are labeled “speaker grill cloth”. Any fabric you place across the surface area of a technology that works on air flow will restrict a percentage of that air flow. This process restricts the performance. You must choose a fabric type and company that offers fabrics with a minimum 97% air permeability rating. Use fabrics from this link: https://www.guilfordofmaine.com/acoustic. Our carbon technology for DIY projects is on a reservation system due to demand. I would recommend getting your order in 8 weeks ahead of your installation.

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