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SONEX® Super Wedges
Designed to be used in situations where low-frequency issues are a problem, SONEX Super Wedges are most often found in anechoic test chambers. These 12"x12" wedges are 6 inches thick and feature an exaggerated, yet symmetrical, anechoic wedge pattern.
SONEX Super Wedges can dramatically improve the accuracy of sound measurements by eliminating bounce-back sounds such as echo, feedback and resonances.
Technical Specifications
Physical Data — willtec®
| Material |
Open-cell melamine-based foam |
| Density |
0.5 to 0.7 lbs./cubic ft. (ASTM D3574-77) |
| Long-Term Service Temperature |
302 degrees F |
| Fire Resistance |
Class 1 per ASTM E 84 (all finishes)
Meets UL 1715 (willtec natural) |
| Flame Spread per ASTM E 84 |
Natural: 5
Painted: 10
Hypalon®-coated: 25 |
| Smoke Density per ASTM E 84 |
Natural: 50
Painted: 10
Hypalon-coated: 65 |
| Microbial Growth |
Passes UL 181, section 11 |
| Fungus Resistance |
Rating 0 per ASTM G21 |
| Finishes |
Natural, painted or Hypalon-coated |
Sound Absorption
| Finish |
Thickness |
Coefficients per ASTM C423-77a
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125Hz
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250Hz
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500Hz
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1kHz
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2kHz
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4kHz
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NRC
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| Natural |
6" |
0.18 |
0.86 |
1.22 |
1.24 |
1.14 |
1.20 |
1.10 |
To find out more about SONEX Super Wedges, explore the "Related Links" and "Ralated Downloads" area, located on the right side of this page.
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