Eckel Noise Control Technologies has been an industry leader in building acoustic research and testing facilities since 1952. Utilizing patented technology Eckel’s full and hemi-anechoic chambers, portable anechoic chambers (PACs) and SuperSoft test chambers incorporate the most advanced acoustic design elements to create optimal sound environments suitable for virtually any type of acoustic testing or research.
Testing facilities designed for acoustic analysis are echo-free enclosures that provide a free-field environment, allowing sound waves to propagate in all directions without obstruction or reflection. Eckel’s unique, patented wedge design provides an optimum level of sound absorption, allowing precise, repeatable acoustic measurements.
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Eckel’s Full and Hemi-Anechoic Chambers are custom-engineered structures designed to create the ideal acoustic environment in which to conduct testing and research within an array of industries and disciplines. These state-of-the-art echo-free enclosures have a sound energy absorption level of 99+% and are precision-designed and custom-fabricated to the meet the frequency specifications required to achieve exacting scientific and product testing goals.
Eckel’s Portable Anechoic Chambers (PACs) are full anechoic chambers scaled to a size that makes them ideal for a range of uses including acoustic testing of small devices, calibration of microphones, free field response testing of loudspeakers and behavioral studies of small animals.
These high performance chambers are available in a range of sizes with low frequency cut-offs of 150, 200, 250 and 450-500 hertz. As their name implies PACs are designed for versatility and portability and are available as complete pre-assembled chambers or in a sectional design that can be readily bolted or cam-locked together on-site for fast and easy assembly.
The unique geometry of this wedge design offers a new dimension in anechoic chamber construction. These wedges have multiple parallel surfaces with tapered leading edges that alternate 90° out of phase with one another.
Eckel’s classic wedge design offers maximum broadband performance. These cloth-covered, fiberglass wedges are commonly used for testing speakers, microphones and handheld devices.
This wedge design represents the execution of the classic design with a perforated metal cover replacing the original cloth covering.