AMCA 303-79: Application of Sound Power Level Ratings for Fans

�� FREE PREVIEW (First 5 Pages) ✔ First 5 pages free to download · No email required · Full document available after purchase This publication, AMCA 303-79, details the application of sound power level ratings for fans. It provides comprehensive guidance for those involved in the design, testing, installation, operation, and maintenance of fan-duct systems. The document was revised by the AMCA Technical Advisory Committee on Sound in April 1979. The first edition of this publication was issued in February 1965. The second edition, June 1973, included Appendix A: “Recommended Practice for Calculation of Typical dBA Sound Pressure Levels for Ducted Fan Installations.” The third edition incorporates the 1979 Appendix into the text and has an expanded calculations section. First five pages are available for free preview.