Data - Mitsubishi PUHZ-W112VHA Service Manual

3

DATA

3-1. NOISE CRITERION CURVES
PUHZ-W112VHA
PUHZ-W112VHA-BS
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH562
SPL(dB)
MODE LINE
COOLING 53
HEATING 53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
MICROPHONE
1m
1.5m
7
UNIT
GROUND