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Acoustical Enclosures - Modular Walls & Enclosures |
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Features:
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Modular Wall and Enclosure Systems
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Mylar, Polyethylene, or Fiberglass Cloth Lining
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Framed Cutouts/Openings
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Primer or Finish Paint
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Different Panel Constructions are available
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Different Material Construction; i.e. Stainless Steel
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Standard and Custom Doors: Hinged, Sliding, and Automatic
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Application Driven Designs – User Friendly
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Acoustical Performance * – Standard Construction
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| TRANSMISSION LOSS (ASTM E90-81) |
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Octave Band Center Frequency (Hz)
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125 |
250 |
500 |
1K |
2K |
4K |
NRC |
C-2” |
22 |
24 |
34 |
45 |
49 |
52 |
37 |
D-4” |
23 |
29 |
40 |
49 |
51 |
54 |
40 |
XHD-4” |
24 |
31 |
45 |
53 |
54 |
55 |
42 |
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SOUND ABSORPTION COEFFICIENTS (ANSI/ASTM C243- 81 a AND E795) |
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1/3 Octave Band Center Frequency (Hz)
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125 |
250 |
500 |
1K |
2K |
4K |
NRC |
C-2” |
0.32 |
0.81 |
1.11 |
1.09 |
1.02 |
0.94 |
1.0 |
D-4” |
0.75 |
1.1 |
1.15 |
1.08 |
1.04 |
1.05 |
1.0 |
XHD-4” |
24 |
1.1 |
1.2 |
1.09 |
1.04 |
1.06 |
1.1 |
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| * All acoustical test were performed and reported by an Independent Accredited Acoustical Laboratory. Copies of the test reports can be furnished upon request. |
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