Mitsubishi Electric Mr.SLIM PCFY Series, Service Manual

Page: 16 / 47

16
PLA-RP100BA PLA-RP125BA
NOTCH SPL(dB) LINE
High 40
Medium1 37
Medium2 34
Low 32
NOTCH SPL(dB) LINE
High 41
Medium1 39
Medium2 36
Low 34
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
μ
bar)
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
μ
bar)
BAND CENTER FREQUENCIES, Hz
PLA-RP140BA
NOTCH SPL(dB) LINE
High 44
Medium1 42
Medium2 39
Low 36
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
μ
bar)
BAND CENTER FREQUENCIES, Hz
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
UNIT
1.5m
MICROPHONE
CEILING
OCH416D