Mitsubishi Electric PLA-RP-BA3 Technical Data Book page 102

PCA-RP125KA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PCA-RP71HA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MICROPHONE
NOTCH SPL(dB) LINE
High 45
Medium1 43
Medium2 41
Low 39
500 1000 2000 4000 8000
NOTCH SPL(dB) LINE
High 38
Low 34
500 1000 2000 4000 8000
1m
1m
about 1.4m
PCA-RP140KA
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
63 125
PCA-RP125HA
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
63 125
unit
102
NOTCH SPL(dB)
High 48
Medium1 45
Medium2 43
Low 41
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
NOTCH SPL(dB)
High 50
Low 44
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
ceiling
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000