Mitsubishi Electric PLA-RP35EA Service Manual page 13

PLA-RP125EA.UK
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
CEILING
MICROPHONE
OCH626A
NOTCH SPL(dB) LINE
High 44
Medium1 41
Medium2 37
Low 33
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
MAIN UNIT
1.5 m
PLA-RP140EA.UK
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
13
NOTCH SPL(dB)
High 44
Medium1 42
Medium2 39
Low 36
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000