Multi F Engineering Manual

LCN188HV4
Acoustic Data
FOUR-WAY CEILING CASSETTE INDOOR UNITS
)LJXUHLCN128HV4 and LCN188HV4 Sound Pressure Level Diagrams.
Octave band center frequency (Hz)
Sound pressure level (0 dB = 20 μPa)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
LCN128HV4
CEILING-CASSETTE | 123
Four-Way Ceiling-Cassette
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