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When I asked Bryan about how much trapping I should do for low end, his reply was basically "you can't have too much low end trapping". I also looked into using the riser for trapping, but everything I read gave me the impression that if your riser did not extend from side wall to side wall, you should not use it that way. Unfortunately, that is the case with my riser...
Okay that's what I was thinking. I wanted to do the same thing but it didn't seem to make much sense to treat the floor that way. My riser is basically an island in the middle of the room. It makes more sense if it's treating a corner between the floor and a wall.
 

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Yep, as long as you can avoid over damping the high end! That's why people use membranes over them etc, as I understand it.
Yes sir - I did that when I made my soffits into traps - they are faced with MLV that reflects above 200 Hz.

That's interesting. I have never heard that. Maybe it won't be as effective. But I think it will still be a positive impact.

I mean, should I not use one of my GIK traps because it doesn't reach from floor to ceiling? No I think I should still use it, even though it only covers part of the corner.

But maybe there is something else going on with a riser trap. Do you have more details about that?

(Admittedly, mine is wall to wall, so this is a little academic, but it is an interesting call out.)
Been quite a while since I researched that - let me dreg through my brain and see if I can remember the details or where I found the info... :R
 

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Discussion Starter #44
Over time, I cycled through a lot of speakers. Several iterations of Thiels, long time favorites of mine for music, powered studio monitors, Usher, Klipsch, Magnepans, Paradigm, etc. And several subs, HSU, JL Audio, Thiel, being the main ones. Of all those, the Thiel 1.6's in all locations, with a Thiel sub, was the best. But it wasn't ideal from a SPL and positioning standpoint -- especially the surrounds, to have floor standing speakers and a non AT screen.

I went with some in wall Thiel's for the surrounds for a while, which helped room ergonomics. But the move to higher capability speakers and an AT screen was inevitable. That's for later....

 

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Discussion Starter #45
At the same time, I knew that furniture was not ideal.

No offense to my friends who occupy the second row, but I focused first on the front row. Needed power recline AND, most important but most complicated, NO armest in the middle of the room. When I am watching solo, I want to be in the sweet spot. When I am watching with the wife, it's nice not to have an arm rest between you.

Finding a piece of furniture like that was harder than I thought. Sure all the manufacturers will sell you two seats without an armrest BUT there is still a nasty bump if you try to sit in the middle. My room is only 12 feet wide, and in order to have room to walk to the back row, and not sit too far off to the side, and allow the door to open properly (remember my LESSON LEARNED earlier about not placing the door where I did and not having the door open inward?), a two seat wide front row was ideal.

Eventually, I found a perfect seat. Except that I could not afford to build the second row seating from the same line -- so I pickup up a row of three seats on CL for row two. Not ideal, but no one complains ;)

 

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Discussion Starter #47
Next: Getting rid of the old speakers (last in the room were some excellent Magnepans, which were like fish out of water in this space), the original screen (still for sale by the way -- Stewart ain't as popular as it used to be), and revising the treatments to include some diffusion.
 

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Discussion Starter #48
Okay the second hand Triad Bronze LCR are now in place. The bstock en4k screen has replaced the on wall screen. The Maggie's and Thiel sub are sold. Some temporary used Triad subs are in place, until Rythmik has the ported 15" ers in stock, and I have saved up enough! image-115717013.jpg Need to move the screen wall out a few more inches. Even these temporary subs won't fit well, and the real ones will be completely too large. Then it will be time to make panels for the top, bottom, and two sides -- to create a nice flat wall.

A wider shot, earlier. Note that these speakers were just temps for testing.

image-3431353990.jpg
 

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These additions, plus a "discrete" setup in the corner for making music, and a turntable on the wall opposite the entry door, for serious listening sessions, meant that the world was almost "complete" for theater 1.0.

I see you have a Kimono too... Did you fill them with acoustic padding? We have Japanese silk material for Kimonos and we wrapped the acoustic pieces in it. We also put some in the main body part of a Kimono and some in the sleeves too.
 

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Discussion Starter #50
I see you have a Kimono too... Did you fill them with acoustic padding? We have Japanese silk material for Kimonos and we wrapped the acoustic pieces in it. We also put some in the main body part of a Kimono and some in the sleeves too.
No in fact my room is already bordering on too much absorption. I keep thinking I will build some diffusion because purchasing it is costly, but I may have to devote current budget to buying some diffusion. It's important.

The kimono (actually this is a costume for noh theater I think so it may be called something else) is just to break up the monotony of the black wall, in a place out of the way, visually, when watching movies.
 

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I am going to make my own diffusers for the HT.
 

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Discussion Starter #52
Updated the screen wall, added acoustics panels of fiberglass and covered in black burlap. Removed the old acoustic form. Those two use triad subs running off a single plate amp were a great idea.... Except they are a beast to integrate with the real deal Rythmik sub. Everything is second had some sometimes a temp setup becomes long term, or gets obsoleted in a week because I find a unicorn. image-4074047053.jpg image-574419040.jpg image-927515238.jpg image-208273869.jpg image-3061054440.jpg image-3133352808.jpg
 

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Discussion Starter #53
Next up, cover some of the screen wall in velvet and some of the acoustic diffusers in GOM if I can find a source, start to get the new sub dialed in and convince myself a single sub for a while is okay, and wait impatiently for the emotiva 8100 since I sold my pre pro a while back and am using the analog output of the oppo direct to my amp....
 

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Discussion Starter #56
Building some diffusion panels using existing auralex styrofoam diffusers which will be framed with wood and covered with GOM to match the existing GIK absorption panels.

I cannot tell a lie, I had a buddy who needed an afternoon of work build the frames.... And now it will take a few weeks till they are operational.... Need the GOM and a hanging system.

Will follow Anthony Grimani's approach of alternating diffusion and absorption and having at least fifty percent bare walls.
 

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Discussion Starter #59
My goodness sir - you have been busy! Excellent progress!
Good thread! You've definitely put in a lot of time and effort on this project and it shows.
Thanks, guys. Yep, one step at a time and after several years.....

Anyway, just placed the order for from GOM FR701 black 408 color from GIK. Kills to be pay almost $20 a yard (including shipping) but it's also really the cheapest out there, and I really want this set of panels to visually match the existing panels I have...

.... which I purchased from GIK, with the FR701 fabric on them, about five years ago!

Still going strong, as you can see:



 
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