MTU 20V4000Bx4 Operating Instructions Manual page 68

ID
Engine surface noise with attenuated in-
take noise (filter) – BL (free-field sound
pressure level Lp, 1 m distance, ISO
6798, +2 dB(A) tolerance)
Engine surface noise with attenuated in-
take noise (filter) - BL (sound power level
LW, ISO 6798, +2 dB(A) tolerance)
66 | Technical Data | MS15039/01E 2018-11
1
R dB(A) -
R dB(A) -
2 3 4
-
-