ASA
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American National Standard Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for anechoic and hemi-anechoic rooms
Published by Publication Date Number of Pages ASA 08/23/2012 88 ASA S12.55
Original price was: $194.00.$116.40Current price is: $116.40. -
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Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Survey Method Using an Enveloping Measurement Surface Over a Reflecting Plane
Published by Publication Date Number of Pages ASA 06/28/2011 67 ASA S12.56
Original price was: $157.00.$94.20Current price is: $94.20. -
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American National Standard for Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure -Engineering/survey methods for use in situ in a reverberant environment
Published by Publication Date Number of Pages ASA 08/11/2011 60 ASA S12.57
Original price was: $157.00.$94.20Current price is: $94.20. -
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American National Standard for Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools, Part 4: Acoustic Standards for Physical Education Teaching Environments
Published by Publication Date Number of Pages ASA 09/25/2019 34 ASA S12.60 Part 4
Original price was: $165.00.$99.00Current price is: $99.00.
