Mitsubishi PLA-A12BA Technical Data Book page 88

PKA-A12HA
PKA-A18HA
PKA-A12HAL
PKA-A18HAL
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
UNIT
3.3ft
3.3ft
MICROPHONE
88
SPL(dB) LINE
NOTCH
High 43
36
Low
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
WALL
PKA-A24KA
PKA-A30KA
PKA-A24KAL
PKA-A30KAL
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PKA-A36KA
PKA-A36KAL
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
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
SPL(dB) LINE
NOTCH
High 49
Low
43
500 1000 2000 4000 8000
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20