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Noise Criteria Curves - Mitsubishi Electric MU-GF20VA Service Manual

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4

NOISE CRITERIA CURVES

MU-GF20VA
90
80
70
60
50
40
30
20
10
63
125
250
BAND CENTER FREQUENCIES, Hz
MU-GF35VA
90
80
70
60
50
40
30
20
10
63
125
250
BAND CENTER FREQUENCIES, Hz
OBH622A
FUNCTION SPL(dB(A))
LINE
COOLING
47
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-10
500
1000
2000
4000
8000
FUNCTION SPL(dB(A))
LINE
COOLING
49
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-10
500
1000
2000
4000
8000
MU-GF25VA
90
80
70
60
50
40
30
20
10
63
125
250
BAND CENTER FREQUENCIES, Hz
5
FUNCTION SPL(dB(A))
LINE
COOLING
47
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-10
500
1000
2000
4000
8000

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