Mitsubishi Electric PSA-RP71GA Service Manual page 13

PSA-RP140GA
PSA-RP140GA#1
PSH-P140GAH
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
REARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MICROPHONE
1m
1m
NOTCH SPL(dB) LINE
High 52
Low 47
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
unit
floor
13 13