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Home theater upgrade project - diffuser

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jlen1414

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Member Since:
September 25, 2018

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September 26, 2018 - 9:10 pm

Hi Dennis,

Good day to you and to all members. My name is Jayson, I recently purchased the complete set of DIY QD diffusers + acoustic documents from acoustic fields. Wondering if anyone can help me decide what QD to use and where to place them. I have a small dedicated room with 12Ft (L) x 10ft (W) x 9.5 ft (H). I actually created a graphic illustration of the room with all the details necessary to make some analysis but not sure how post the image here.

I’ve honestly done some reading online about it but, i can’t seem to get the grasp of what I needed to do to ensure the best performance. However I found that your designs are the best and would like to get started on making them.

Interested in your opinions on which QD to use at the ceiling above the listening area and side wall well

Let me know and thanks again for your products.

Regards,

Jayson C.

Dennis Foley

Chief Acoustics Engineer

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August 12, 2013

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September 27, 2018 - 10:46 am

J, You can use a QD-13 on the front and rear wall. Start the diffuser 24″ off the floor and cover entire front and rear wall.

jlen1414

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Forum Posts: 2

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September 25, 2018

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September 27, 2018 - 8:53 pm

Hi dennis

Thanks ill start with what you recommend.

With that config do i still need anything for the ceiling i have 9.5 feet height with 12×10 for LxW. If so which QD is best?

Thanks again

Dennis Foley

Chief Acoustics Engineer

Forum Posts: 643

Member Since:
August 12, 2013

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September 28, 2018 - 9:24 am

J, It is best to save the ceiling treatment for last. The four walls will produce 80 % of what you hear in the presentation. For most hobbyists, that is sufficient. If after treating the four walls, you begin to “hear” the ceiling then it would justify treatment. at that time.