Mitsubishi PLA-A12BA Technical Data Book page 98

PUZ-HA30NHA2
PUZ-HA36NHA2
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
98
SPL(dB)
MODE LINE
COOLING 52
HEATING 53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
MICROPHONE
3.3 ft
5 ft
UNIT
GROUND