Mitsubishi PLH-3AK.UK Technical & Service Manual page 22

6. NOISE CRITERION CURVES
PLH-3AK.UK
PLH-3AK .UK
1
PLH-3AKH.UK
PLH-3AKH .UK
1
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PLH-5AKS.UK
PLH-5AKS .UK
1
PLH-5AKHS.UK
PLH-5AKHS .UK
1
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SPL(dB) LINE
NOTCH
Hi 34
Lo 28
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
NOTCH SPL(dB) LINE
Hi 43
Lo 35
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
PLH-4AKS.UK
PLH-4AKS .UK
1
PLH-4AKHS.UK
PLH-4AKHS .UK
1
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PLH-6AKS.UK
PLH-6AKS .UK
1
PLH-6AKHS.UK
PLH-6AKHS .UK
1
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
22
SPL(dB)
NOTCH LINE
Hi 41
Lo 33
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
NOTCH SPL(dB) LINE
Hi 45
Lo
37
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000