SW ACOUSTIC HANGING BAFFLE
SW ACOUSTIC HANGING BAFFLE that hung vertically or horizontally with regular or irregular array to the ceiling of commercial halls or gymnasium, which can effectively reduce echoes and achieve the suitable reverbration time, to improve speech intelligibility in the halls and reduce the noice.
Specification：
Standard Size: 2400mm*600mm 1200mm*600mm
Customized size available
Thickness: 50mm or 100mm
Finish：
＊Sound transparant fabric
＊PU leather
＊Anti-static fabric (anti-static, easy cleaning, waterproof, fire retardant)
* Customized finish
Color:
* Various color selection
Fire rating:
* National standard: Grade B1
*Class A per ASTM-E84
*B-s1 d0 per EN13501-1:2018
Acoustic performane:
| Frequency （HZ) | 125 | 250 | 500 | 1000 | 2000 | 4000 | NRC | Testing condition 测试条件 |
Sound absorption coefficient （α） | 0.57 | 0.81 | 1.18 | 1.16 | 1.02 | 0.90 | 1.04 | 50mm panel, 100mm cavity |
Sound absorption coefficient （α） | 0.48 | 1.56 | 2.02 | 1.99 | 1.77 | 1.40 | 1.83 | 100mm panel, 100mm cavity |
Scene display：
