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AlphaPyramid™ Acoustical Foam has a unique surface pattern that is matching and seamless when installed. With an NRC rating of .70 - 1.05, the AlphaPyramid™ Foam works as a powerful sound absorber that dramatically reduces echo, reverberation and standing waves in a variety of facilities. AlphaPyramid™ Foam gives a uniform look to a treated wall and is ideal for any application where acoustics and aesthetics are both problems.
| Octave Band Frequencies (Hz) | |||||||
|---|---|---|---|---|---|---|---|
| 4" Thick |
.39 | .60 | 1.21 | 1.08 | 1.16 | 1.13 | 1.05 |
| Product | 125 | 250 | 500 | 1000 | 2000 | 4000 | NRC |
| 2" Thick |
.07 | .25 | .60 | .94 | .97 | 1.08 | .70 |
| 3" Thick | .44 | .48 | 1.19 | 1.12 | 1.16 | 1.16 | 1.00 |