BB365

THOMAS BUILT

Interior Noise Test Data Form

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

Date 1994-12-19
Personnel R.L. & B.R.
Temperature (°F) 48
Humidity (%) 80
Wind Direction NW
Wind Speed (MPH) 7
Barometric Pressure (in.Hg) 30.01
Initial Sound Level Meter Calibration checked by R.L.
Interior Ambient Noise Level dB(A) 34.4
Exterior Ambient Noise Level dB(A) 55.8
Microphone Height During Testing(in) 45
Measurement Location Measured Sound Level dB(A)
Driver's Seat 51.2
Front Passenger Seats 50.3
In Line with Front Speaker 52.6
In Line with Middle Speaker 48.1
In Line with Rear Speaker 46.7
Rear Passenger Seats 48.3
Final Sound Level Meter Calibration checked by R.L.
Comments
All readings taken from the center aisle.