Noise Curtains

by dB Engineering

Ultra Baffles and Wall Panels

Perfect for those "Ultra" important requirements

ultra2.jpg (4389 bytes)Sound Seal's "Ultra" sound absorption baffles and wall panels are high performance, durable, low cost sound absorbers. The sound absorption core is encapsulated in a virtually rip proof reinforced polyester film.


Acoustical Data
One-third Octave Band Center Frequency (Hz)
Model/size 125 250 500 1000 2000 4000 NRC
Ultra Baffle A (2’x4’) 1.15 5.26 8.0 10.9 9.34 5.5 8.4
Ultra Baffle B (2’x4’) 1.00 8.09 14.65 15.72 12.68 4.93 12.8
Ultra Wall Panel (4’x4’) 2.3 13.4 22.6 26.6 22.0 10.5 21.2
Ultra Wall Panel 4’x8’ 4.6 26.8 45.3 53.2 44.0 21.0 42.3

 

Table showing how the human ear perceives noise reduction.

Decibel Reduction Reduction Experienced by Ear
2 15%
4 23%
6 38%
8 48%
10 56%
12 63%
14 68%
16 75%
18 77%
20 81%