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5.1.4 - Sound power level 37AG with 900 mm active length
5.1.3 - 37AG air throw - 900 mm active length
Legend :
1) Based upon tests according to ASHRAE 36B-63 with standard air and an ASHRAE sound reference source with no local interference.
(2) NC with a room attenuation of 4 dB at 500 Hz.
5.1.5 - Atténuation acoustique du plénum (dB)
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