Acoustics
Description (hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 | NRC |
1-1/8" fiberglass with fabric | 0.09 | 0.50 | 0.99 | 1.13 | 1.08 | 0.96 | 0.95 |
1-5/8" fiberglass with fabric | 0.23 | 0.64 | 1.16 | 1.16 | 1.14 | 1.02 | 1.05 |
2-1/8" fiberglass with fabric | 0.32 | 0.91 | 1.09 | 1.14 | 1.02 | 0.98 | 1.05 |
Tested per ASTM C-423 in a type A mounting with unbacked, acoustically transparent panel fabric


