Noise Criterion Curves - Mitsubishi Electric PLA-ZRP35BAR1.UK Service Manual

5

NOISE CRITERION CURVES

PLA-ZRP35BA.UK
PLA-ZRP35BAR1.UK
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PLA-ZRP60BA.UK
PLA-ZRP60BAR1.UK
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH535A
NOTCH SPL(dB) LINE
High 31
Medium1 29
Medium2 28
Low 27
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
NOTCH SPL(dB) LINE
High 32
Medium1 31
Medium2 29
Low 28
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 8000
4000
13
PLA-ZRP50BA.UK
PLA-ZRP50BAR1.UK
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PLA-ZRP71BA.UK
PLA-ZRP71BAR1.UK
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
NOTCH SPL(dB) LINE
High 32
Medium1 31
Medium2 29
Low 28
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
NOTCH SPL(dB) LINE
High 36
Medium1 34
Medium2 30
Low 28
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000