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Technical Tour Scheduled for Acoustical Society of America

Society’s Fall Meeting Features Tour of ETS-Lindgren

CEDAR PARK, Texas, October 8, 2009 – ETS-Lindgren announced it will hold a technical tour of its Cedar Park facility on Tuesday, October 27, in conjunction with the annual Fall Meeting of the Acoustical Society of America (ASA). Tour participants will board a chartered bus at the Hyatt Regency Hotel in San Antonio – site of the ASA meeting – for travel to ETS-Lindgren. The schedule for the day includes a technical discussion on acoustic test facilities, a traditional Texan barbeque lunch buffet and a tour of the company’s expansive 145,000 square foot ISO 9001 certified facility. Tour participants will see how acoustic chambers are constructed and view a series of acoustic demonstrations that put into practice the technical material presented earlier in the day. ETS-Lindgren’s acoustic engineering team will be on hand throughout the tour to answer any questions and share the company’s considerable expertise in acoustic research, design and product qualification.

A highlight of the tour will be ETS-Lindgren’s new Acoustic Research Laboratory, an ISO 17025 accredited laboratory under the US Department of Commerce NIST National Voluntary Laboratory Accreditation Program (NVLAP) Lab Code 100286-0. The laboratory offers product noise emission testing and structural/architectural acoustic testing using several state-of-the-art chambers, including a hemi-anechoic chamber and two reverberation chambers, impedance tubes and supporting acoustic test equipment and software.

The double-walled hemi-anechoic chamber is designed to measure very low noise emissions from products and devices at 80 Hz and above. To enhance chamber performance, the hemi-anechoic inner chamber sits on a 50 ton isolated concrete slab. Outside chamber dimensions are 8.5 m long x 8.5 m wide x 7 m high. This chamber is ideal for testing sound power and pressure levels as well as small fan noise.

The reverberation chambers are designed for structural/architectural acoustic testing and sit on individual floating concrete slabs. The source chamber measures 7.4 m long x 5.9 m wide x 4.8 m high; the receive chamber measures 7.4 m long x 9.2 m wide x 6 m high. With transmission loss testing of wall samples, windows, doors, automobile panels and the like, design engineers can determine how much sound energy is transmitted through a product sample at specific frequencies. Sound absorption testing may also be performed in these chambers.

Those interested in joining the technical tour of ETS-Lindgren may register to attend on line at There is no fee to attend; however, pre-registration is required to ensure adequate seating and catering. For more information, please contact Janet O'Neil, or phone +1.425.868.2558.

About the Acoustical Society of America

The Acoustical Society of America is an international scientific society in acoustics, dedicated to increasing and diffusing the knowledge of acoustics and its practical applications. Since its organization in 1929, the Society has grown to include some 7,000 members throughout the U.S. and abroad. The Society holds two meetings each year at various locations in the U.S. and Canada. At each meeting, approximately 700 invited and contributed papers and poster presentations reflect the diversity and interests of the membership. Tutorials, lectures, technical and standards committee meetings, as well as visits to university, government, and industrial laboratories are regular features of an ASA meeting. For more information, visit

About ETS-Lindgren

ETS-Lindgren is an international manufacturer of components and systems that measure, shield, and control electromagnetic and acoustic energy. The company’s products are used for electromagnetic compatibility (EMC), microwave, wireless and Magnetic Resonance Imaging (MRI) testing, electromagnetic field (EMF) measurement, radio frequency (RF) personal safety monitoring, and control of acoustic environments.

Headquartered in Cedar Park, Texas, ETS-Lindgren has manufacturing facilities in North America, Europe and Asia. The company is a wholly owned subsidiary of ESCO Technologies, a leading supplier of engineered products for growing industrial and commercial markets. ESCO is a New York Stock Exchange listed company (symbol ESE) with headquarters in St. Louis, Missouri. Additional information about ETS-Lindgren is available at Additional information about ESCO and its subsidiaries is available at

Janet O'Neil
Sales & Marketing

Tel +1.512.531.6400 Tel +358.2.8383.300 Tel +44(0)1438.730700 Tel + Tel +8610.8275.5086 Tel+ 81.3.3813.7100
Fax +1.512.531.6500 Fax +358.2.8651.233 Fax +44(0)1438.730751 Fax + Fax +8610.8275.5537 Fax +81.3.3813.8068

Information presented is subject to change as product enhancements are made. Contact ETS-Lindgren Sales Department for current specification.