Any thoughts on this for room treatment?

[NBPK402]

I just found this, and I find it an interesting design. What do you think?

http://www.xix-acoustics.com/2011/09/04/why-does-the-acoustic-ramp™-work-better/

 

[Peter Loeser]

I'm not familiar with the design honestly but it's basically a two dimensional diffuser. Dispersion pattern would be closer to a sphere than a cylinder compared to a one dimensional diffuser. It adds vertical diffusion to the traditional QRD design (if mounted vertically). Their configuration of opposing panels oriented horizontally (toward the bottom of the page) would seem to make sense for the rear wall of a theater/listening room.

 

[NBPK402]

I was reading a review, and they were saying it worked up to one foot from the seating which is definitely not what you could do with a RPG diffuser. I like the concept, and the price seems reasonable. It would be great if you could get a pair for review. I also read that it tightened up the bass at 40hz.

 

[Peter Loeser]

I didn't see a price on the site but it's worth looking into for sure. Not sure I'd pick it as an alternative to thick bass traps for doing anything below 100Hz. I'm game for trying a couple on my rear wall depending on cost.

 

[Todd Anderson]

1 foot from seating... that's an interesting claim. My impression is that most diffusors needed to be 3 to 4 feet from seating?

 

[NBPK402]

I didn't see a price on the site but it's worth looking into for sure. Not sure I'd pick it as an alternative to thick bass traps for doing anything below 100Hz. I'm game for trying a couple on my rear wall depending on cost.

I had read they were $600... not sure if that is each or a pair though.

 

[Todd Anderson]

Talk about eye-catching!

I wonder if that's six units stacked (three on each side)?

 

[NBPK402]

I read they are 2'x4', but some of the pics looked like they were larger. If it works as reviews say... I will be most likely be getting a pair for the new HT. They come as a flat pack and are easy to assembly according to the YouTube video.

 

[Todd Anderson]

I look forward to reading your assessment of them! Pricing looks fairly reasonable, especially considering their size.

 

[NBPK402]

My assessment will be about a year from now...we have to get the new house built first, and most likely get a new projector, and maybe a curved screen too. I am hoping someone here will get a review sample.

 

[Todd Anderson]

This looks like Wayne Myers realm of expertise. I'll send him a link!

 

[AudiocRaver]

Wow, another unique new (to me) diffuser design. I'll have to try to get hold of some of these and give them a try.

 

[Leonard Caillouet]

Looks interesting.

 

[Sonnie]

I don't think it will be necessary if your room is going to be as large as you plan, but it would sure look nice. Expensive decoration if nothing else.

 

[NBPK402]

Here is another one that is Interesting...

https://news.ncsu.edu/2017/06/thinner-sound-diffuser-2017/

 

[tesseract]

As Wayne knows, I am a big fan of using reflection and diffusion over absorption wherever possible. Keep that energy in the room and use it!

 

[NBPK402]

As Wayne knows, I am a big fan of using reflection and diffusion over absorption wherever possible. Keep that energy in the room and use it!

Our new house will Ave a Home Theater that is all clay brick...what would you think in a 100% live room would be best? I was thinking absorption for the first reflection points on the walls and ceiling with bass traps in the corners. I was thinking of diffusion on the rear wall, and possibly absorption on the front to wall behind the front speakers.

 

[Leonard Caillouet]

What are the room dimensions?

 

[tesseract]

Our new house will Ave a Home Theater that is all clay brick...what would you think in a 100% live room would be best? I was thinking absorption for the first reflection points on the walls and ceiling with bass traps in the corners. I was thinking of diffusion on the rear wall, and possibly absorption on the front to wall behind the front speakers.

I like it. Your plan works best for a home theater environment. Absorption of first reflections is almost a prerequisite in a theater setting, allowing for more precise pans across the boundaries from front speaker to rears.

2 channel music, on the other hand, can often use first reflections to add a sense of spaciousness and is especially helpful in small to medium small-sized rooms. As the room gets bigger, the path from the stereo speakers to the side walls increases and becomes a harmful late arrival reflection rather than a complimentary early reflection.

 

[NBPK402]

I like it. Your plan works best for a home theater environment. Absorption of first reflections is almost a prerequisite in a theater setting, allowing for more precise pans across the boundaries from front speaker to rears.

2 channel music, on the other hand, can often use first reflections to add a sense of spaciousness and is especially helpful in small to medium small-sized rooms. As the room gets bigger, the path from the stereo speakers to the side walls increases and becomes a harmful late arrival reflection rather than a complimentary early reflection.

Thanks, we are anticipating the room being 22X33x13' or larger with the ceiling being brick with exposed wood beams too. I am thinking the exposed beam ceiling will also offer some diffusion.

 

[tesseract]

I am thinking the exposed beam ceiling will also offer some diffusion.

That might be a great place to put absorption, though it could detract from room aesthetics.

Are you using RoomEQWizard?

 

[NBPK402]

That might be a great place to put absorption, though it could detract from room aesthetics.

Are you using RoomEQWizard?

I was thinking of hanging the first reflection panels from the beams, and just leaving the rest open. We will be using REW to tune, and then run YPAO. Down the road I might return to Dirac when I buy a new preamp.

 

[tesseract]

You have a path forged! Looking forward to the result.

 

[Tonto]

I'm a big fan of diffusion, especially on the rear wall. Combinations of both on the front wall.

I particularly like the Leanfusor. They can be constructed in either 2X4 or 2X2 ft panels & hung next to each other. The number dictated by room width (5 or 7 panels).

I plan on building 5--2X4 panels for my back wall & 3--2X2 panels for the front with absorption around them. I should be starting a build thread on them soon.

I suspect the performance of those at 1 ft to be less than optmal.

 

[NBPK402]

I'm a big fan of diffusion, especially on the rear wall. Combinations of both on the front wall.

I particularly like the Leanfusor. They can be constructed in either 2X4 or 2X2 ft panels & hung next to each other. The number dictated by room width (5 or 7 panels).

I plan on building 5--2X4 panels for my back wall & 3--2X2 panels for the front with absorption around them. I should be starting a build thread on them soon.

I suspect the performance of those at 1 ft to be less than optmal.

Please let us know how they work out.