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Corner treatment -- PZCs a sure thing?

I'm looking for a set of room upper corner treatments for my living room. The upper corners probably are the only places in that space where I can use audio-specific treatments. The triangular pillow-type traps seem like a pretty sure thing; it sounds like only good can come from reducing the amount of energy being megaphoned out of those corners. I'm not so sure about the tunable pressure-zone controller devices (Michael Green). Are they as versatile and sure to be helpful as the pillow traps? Can anyone describe the comparative effects of these two approaches in their room and system?
jayboard
tabl10s's avatar
tabl10s
1,065 posts
 
Mejames
What are your thoughts on combining PZC's with other room treatments? I have a pair of ASC Shadowcasters(tunable version and no longer available) that control first reflections and can be made to absorb and reflect at the same time.
hantrax
36 posts
 
The Eighth Nerve Adapt product is considerably better than the PZC. PZC's might work for you if you have a very large room, but I found them to be incredibly absorbent and they shut the sound down in an average sized room.
tabl10s's avatar
tabl10s
1,065 posts
 
My will be 16 x 11 x 10...PZC's too powerfull?
trelja
3,223 posts
 
I built my own triangular corner treatments. I just copied the Michael Green model, and did the other two types as well at the same time. The Jon Risch information that I picked up along the way, among others, REALLY helped a lot. The end product uses burlap (most acoustically transparent - you don't want the material reflecting), stuffed with long hair carded wool (best stuffing sonically). All of the materials cost me about $55, plus the sweat equity.

The improvements were not subtle. Highly recommended.
herman
2,212 posts
 
You didn't ecxactly copy the Michael Green corners as you actually do want the material to reflect. The front reflects and the back absorbs.
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