D4500

MOTOR COACH INDUSTRIES Pdf Download PDF Report

Interior Noise Test Data Form

Test Condition 1: 80 dB(A) Stationary White Noise

Date 2015-06-01
Personnel T.S. & S.R.
Temperature (°F) 76
Humidity (%) 68
Wind Direction WNW
Wind Speed (MPH) 6
Barometric Pressure (in.Hg) 30.07
Initial Sound Level Meter Calibration checked by T.S.
Interior Ambient Noise Level dB(A)
Exterior Ambient Noise Level dB(A) 43.0
Microphone Height During Testing(in) 46
Measurement Location Measured Sound Level dB(A)
Driver's Seat 40.1
Front Passenger Seats 38.0
In Line with Front Speaker 37.9
In Line with Middle Speaker 40.1
In Line with Rear Speaker 38.5
Rear Passenger Seats 37.1
Final Sound Level Meter Calibration checked by S.R.
Comments
None noted.