Mitsubishi Electric Mr.Slim PCA-A-KA4, Technical Data Manual

Page: 88 / 104

88
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
AVE BAND SOUND PRESSURE LEVEL, dB (0dB=0.0002 µbar)
BAND CENTER FREQUENCIES, Hz
PKA-A12HA4
PKA-A18HA4
High
NOTCH
Low
43
SPL(dB)
36
LINE
UNIT
WALL
3.3ft
3.3ft
MICROPHONE
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
AVE BAND SOUND PRESSURE LEVEL, dB (0dB= 0.0002 µ
bar
)
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
High
NOTCH
Low
49
SPL(dB)
43
LINE
PKA-A36KA4
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
AVE BAND SOUND PRESSURE LEVEL, dB(0dB=0.0002 µbar)
BAND CENTER FREQUENCIES, Hz
PKA-A24KA4
PKA-A30KA4 High
Low
45
SPL(dB)
39
LINE NOTCH