Mitsubishi Electric Mr.SLIM PCA-RP50KAQ Service Manual page 11

PCA-RP125KAQ
PCA-RP140GA
PCA-RP140GA#1
PCH-P140GAH
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
1m
1m
about 1.4m
MICROPHONE
NOTCH SPL(dB) LINE
High 45
Medium1 43
Medium2
41
Low 39
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
PCA-RP140GA PCA-RP140KAQ
PCA-RP140GA#1
PCH-P140GAH
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
ceiling
unit
11 11
NOTCH SPL(dB)
High 48
Medium1 45
Medium2 43
Low 41
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000