Panasonic 36PST1U6 26PEU1U6 Owner's Manual - Page 60
Specifications, Noise Criterion Curves, Low Silhouette Duct Type, HIGH 38 dBA, NC 30 / LOW 31 dBA
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1-8 Noise Criterion Curves Low Silhouette Duct Type MODEL : S-26PF1U6 SOUND LEVEL : HIGH 34 dB(A), NC 22 / LOW 27 dB(A), NC 18 CONDITION : Under the unit 4.9 ft. SOURCE : 208 - 230 V, 1 Phase, 60 Hz 1. Specifications MODEL : S-36PF1U6 SOUND LEVEL : HIGH 38 dB(A), NC 30 / LOW 31 dB(A), NC 21 CONDITION : Under the unit 4.9 ft. SOURCE : 208 - 230 V, 1 Phase, 60 Hz OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar) OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar) 60 50 NC-50 40 NC-40 30 NC-30 1 20 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NC-20 NOISE 10 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES, Hz 1761_U_I 60 50 NC-50 40 NC-40 30 NC-30 20 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE 10 63 125 250 NC-20 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES, Hz 1762_U_I 1-54