Mitsubishi Electric PLA-RP-BA Technical Data Book page 86

PKA-RP35GAL
PKA-RP50GAL
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PKA-RP100FAL
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SPL(dB) LINE
NOTCH
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
SPL(dB)
NOTCH LINE
High 46
Low
41
500 1000 2000 4000 8000
PKA-RP50FAL2
PKA-RP60FAL
PKA-RP71FAL
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
1m
NC-70
NC-60
MICROPHONE
NC-50
NC-40
NC-30
NC-20
86
NOTCH
High
Low
250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
UNIT
1m
SPL(dB) LINE
45
39
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
WALL