Title: OPERA DMN 9034-1 SHI 945E9A 12A1 27,06.pdf
Sound pressure level : 59.1 dBA at 10 meters from unit, in the bundle axis, in free field, directivity 2, tolerance +/-2 dB. Sound pressure level: reference 2 * 10E-5 Pa, tolerance +/-2 dB. Calculated according to Lp = Lw - 10 x log S Sound pressure levels depend on installation conditions and are given for information only. We remind you that only sound power levels are certified and reliable values. Sound power spectrum (ISO 3744) : Frequencies (Hz) Sound power dB(A)Sound pressure level : 59.1 dBA at 10 meters from unit, in the bundle axis, in free field, directivity 2, tolerance +/-2 dB. Sound pressure level: reference 2 * 10E-5 Pa, tolerance +/-2 dB. Calculated according to Lp = Lw - 10 x log S Sound pressure levels depend on installation conditions and are given for information only. We remind you that only sound power levels are certified and reliable values. Sound power spectrum (ISO 3744) : Frequencies (Hz) Sound power dB(A)