Mitsubishi Electric PLA-RP-BA Technical Data Manual page 118

PKA-RP35GAL
PKA-RP50GAL
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
UNIT
1m
1m
MICROPHONE
NOTCH SPL(dB) LINE
High 43
Medium1 41
Medium2 38
Low 36
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
WALL
PKA-RP50FAL2
PKA-RP60FAL
PKA-RP71FAL
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PKA-RP100FAL
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
118
NOTCH SPL(dB) LINE
High 45
Low
39
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
NOTCH SPL(dB) LINE
High 46
Low 41
500 1000 2000 4000 8000
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20