WinGD X62DF-S2.0 - Page 246

Marine Installation Manual 2022-03 7-7
7 Engine Emissions
7.2 Engine noise
X62DF-S2.0
Figure 7-4 Sound pressure level at 1 m distance from engine
SM-0805
120
1
10
100
90
80
70
Octave band centre frequency in [Hz]
Lp [dB]
NR80
90
110
120
40
50
NR70
60
30
1) 8X62DF-S2.0
2) 5X62DF-S2.0
31.5 63 125 250 500 1k 2k 4k 8k
120
1
10
100
90
80
70
Octave band centre frequency in [Hz]
Lp [dB]
NR80
110
120
40
50
NR70
60
30
100
Overall
average
LpA in dB(A)
LpA in dB(A)
1) 2)
1)
2)
1)
2)
1) 2)
1)
2)
1)
2)
1) 8X62DF-S2.0
2) 5X62DF-S2.0
Max. overall
single point
Airborne sound pressure levels
with standard noise reduction
Overall
average
Max. overall
single point
Airborne sound pressure levels
with additional noise reduction
31.5 63 125 250 500 1k 2k 4k 8k
90