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SPEAKER and LIGHTING BACKBOXES
Speaker and lighting backboxes will prevent sound from collecting inside a wall or joist cavity, improve sound quality and maintain the required fire ratings. |

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ECCOBOX Lighting and Speaker Back Box
Ratings:
ASTM E119 / ASTM E84/NFPA70 / UL 263/NFPA 251 (1-hour)
The ECCOBOX thermo-acoustic speaker and lighting enclosures are constructed of recycled, compressed 1" cotton and designed to isolate speaker back wave sound transmission within a wall or ceiling structure. ECCOBOX enclosures are also ideally suited to prevent sound transmission through a recessed lighting fixture from heel impact and upper level noise. ECCOBOX enclosures are available in two sizes, lightweight, easy to construct and install, environmentally friendly and suitable for use in commercial applications.

Features:
- 1" thick compressed cotton with .5 mil aluminum outer facing
- Better speaker performance - absorption combined with STC value
- Effective acoustic barrier for adjacent rooms, high STC
. R-15 thermal insulative value
- ASTM E119 / ASTM E84/NFPA70 / UL 263/NFPA 251 (1-hour)
- Packaged flat for easy shipping and storage
- Very lightweight for reduced shipping costs
Applications:
- Commerical grade fire rated back boxes
- In ceiling and In wall speaker installations
- Above recessed lighting fixtures
SKU's & Sizes:
- SB-EB-14149 (14.5" x 14.5" x 9")
- SB-EB-14227 (14.5" x 22.5" x 7")
- SB-EB-14229 (14.5" x 22.5" x 9")
Panel:
Sound
Absorption |
Size |
Mount |
125Hz |
250Hz |
500Hz |
1KHz |
2KHz |
4KHz |
NRC |
| 1 |
A |
.09 |
.24 |
.86 |
.98 |
.98 |
1.03 |
.75 |
| STC |
125Hz |
250Hz |
500Hz |
1KHz |
2KHz |
4KHz |
STC |
| 12 |
12 |
14 |
13 |
20 |
29 |
17 |
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SS-AF-BB
Foam In-Wall or In-Ceiling Back Box
PERFECT FOR RETRO-FIT APPLICATIONS!
Introducing the Sound Block in-wall back box. This enclosure
is designed to isolate the inwall and in-ceiling
speaker back wave, as well as offer thermal insulation.
It is constructed from a new Class-A, non flammable, urethane
foam. This material will not support mold or
crumble over time like standard urethanes.
The SS-AF-BB back box can be rolled up, inserted through an existing speaker opening and installed into a wall or ceiling cavity behind a speaker.
Features:
• Class A Flammability rating, Non Combustable
• R-12 Thermal Insulation Value
• Excellent absorption properties
• Code compliant anywhere in North America
• Material STC keeps sound energy from
passing through the walls
Applications:
• Fire rated acoustical back box for in-wall
and in-ceiling speaker products
• Perfect for retro-fit applications!
Size:
• 22.5" X 14.5" X 6"
Panel:
Sound Absorption |
Size |
Mount |
125Hz |
250Hz |
500Hz |
1KHz |
2KHz |
4KHz |
NRC |
| 1 |
A |
.03 |
.07 |
.13 |
.23 |
.50 |
.63 |
.27 |
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