Acoustical Surfaces' Echo Eliminator™ is a high-performance acoustical material made from recycled cotton. Bonded Acoustical Cotton (B.A.C.) is a cost-effective acoustical absorbing material with sustainable credentials. These recycled cotton panels are ideal for reverberation and echo control applications. Echo Eliminator can be used as an acoustic wall and ceiling panel or hanging baffle.
Features
- Recycled Cotton (Green Acoustical Material)
- Class A – Non-Flammable (Per ASTM E-84)
- Lightweight
- Easy to Install
- Low Cost
- High-Performance Acoustical Absorption
- Relocatable (with Grommets)
Densities
- 3lb per cubic ft – 1″ & 2″ thickness panels
- 6lb per cubic ft – 1″ thickness panels
Sound Absorption Coefficients
Acoustical Surfaces WALL PANEL
| | Mount | 125Hz | 250Hz | 500Hz | 1KHz | 2KHz | 4KHz | NRC |
| 1″ – 3lb./cf. | A | 0.08 | 0.31 | 0.79 | 1.01 | 1.00 | 0.99 | 0.80 |
| 2″ – 3lb./cf. | A | 0.35 | 0.94 | 1.32 | 1.22 | 1.06 | 1.03 | 1.15 |
| 1″ – 6lb./cf. | A | 0.07 | 0.30 | 0.86 | 1.10 | 1.05 | 1.03 | 0.85 |
Acoustical Surfaces BAFFLE
| Avg. | 125Hz | 250Hz | 500Hz | 1KHz | 2KHz | 4KHz | Sabins/Avg. |
| 1″ – 2′ × 4′ | 2.43 | 4.93 | 8.34 | 12.35 | 15.57 | 16.73 | 10.30 |
| 2″ – 2′ × 4′ | 2.40 | 6.55 | 12.86 | 17.46 | 18.49 | 16.77 | 13.85 |
