PHOENIX

COACH & EQUIPMENT

Interior Noise Test Data Form

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

Date 1994-10-31
Personnel R.L. & B.R.
Temperature (°F) 51
Humidity (%) 68
Wind Direction SW
Wind Speed (MPH) 51
Barometric Pressure (in.Hg) 30.01
Initial Sound Level Meter Calibration checked by R.L.
Interior Ambient Noise Level dB(A) 38.3
Exterior Ambient Noise Level dB(A) 53.0
Microphone Height During Testing(in) 45
Measurement Location Measured Sound Level dB(A)
Driver's Seat 52.1
Front Passenger Seats 54.6
In Line with Front Speaker 53.3
In Line with Middle Speaker 56.4
In Line with Rear Speaker 55.6
Rear Passenger Seats 55.9
Final Sound Level Meter Calibration checked by R.L.
Comments
All readings taken in the center aisle.