Acoustical Test Chambers & Wedges Whether you are looking for complete anechoic, hemi-anechoic, reverberation test chambers or just anechoic wedges, you have come to the right source. We can supply modular test enclosures which are custom designed to meet ISO, ANSI, and ASTM standards. We will a...

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Typical Noise Control Design Methods ~ 3-5 dB~ 8-12 dB ~1-3 dB~12-30 dB Absorbers and NRC values (Noise Reduction Coefficients) Sound absorbers are soft materials like foams and fiberglass that reduce sound reflection. They are rated by an NRC value between 0-1.0 which indicates the percentage of th...

Weitzenkorn & Associates, Inc. 6 Glen Rock Dr. Austin, Texas 78738 Phone: 512-261-6834 or 800-795-0134 Fax: 512-261-6981 e-mail: whw@texas.net Distributors and Rep's of Specialty Acoustics Noise Control & Acoustic Products Acoustic Foams & Composites Prefab Flexible Noise Curtains & ...

Acoustic Foams & Composites Sonex acoustical foams are the recognized leader in providing superior performance in absorptive acoustical treatment for noise control. These products are the most advanced noise control products available. Most of the products meet ASTM E84 Class 1 standards for fla...