Noise Criterion Curves - Mitsubishi PLH-3AAK Technical & Service Manual

7. NOISE CRITERION CURVES

PLH-3AAK(H)
90
80
70
60
50
40
30
APPROTIMATE
20
TERESHOLD OF
REARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PLH-5AAK(H)
90
80
70
60
50
40
30
APPROTIMATE
20
TERESHOLD OF
REARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
NOTCH SPL(dB) LINE
High 34
Low 28
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
NOTCH SPL(dB) LINE
High 43
Low 35
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
PLH-4AAK(H)
90
80
70
60
50
40
30
APPROTIMATE
20
TERESHOLD OF
REARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PLH-6AAK(H)
90
80
70
60
50
40
30
APPROTIMATE
20
TERESHOLD OF
REARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
26
NOTCH SPL(dB) LINE
High 41
Low 33
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
NOTCH SPL(dB) LINE
High 45
Low
37
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000