Mitsubishi Electric PLA-ZRP35BAR1.UK Service Manual page 14

PLA-ZRP125BA.UK
PLA-ZRP125BAR1.UK
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH535A
NOTCH SPL(dB) LINE
High 41
Medium1 39
Medium2 36
Low 34
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
CEILING
PLA-ZRP140BA.UK
PLA-ZRP140BAR1.UK
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
UNIT
1.5m
MICROPHONE
14
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