Mitsubishi Electric Mr.SLIM PLP-6EAER1 Service Manual page 13

PLA-M125EA2(-ET/ER).UK
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
CEILING
MICROPHONE
OCH783B
NOTCH SPL(dB)
High 44
Medium1 41
Medium2 37
Low 33
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
MAIN UNIT
1.5 m
PLA-M140EA2(-ET/ER).UK
LINE
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
NC-20
CONTINUOUS
NOISE
10
8000
63
13
NOTCH SPL(dB)
High
Medium1
Medium2
Low
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
LINE
44
42
39
36
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000