PIONEER

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Exterior Noise Test

Accelerating from Standstill

Date : 1994-07-08
Personnel : R.L., & R.H.
Temperature (°F) : 83 Humidity (%) : 80
Wind Speed (mph) : 2 Wind Direction : SW
Barometric Pressure (in.Hg) : 30.11
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by R.L.L.
Initial Sound Level Meter Calibration: true checked by R.L.L.
Exterior Ambient Noise Level dB(A): 47.7

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 74.4 1 75.8
2 74.5 2 75.3
3 74.3 3 75.3
4 74.1 4 75.1
5 74.3 5 75.0
Average of two highest actual noise levels = 74.5 dB(A) Average of two highest actual noise levels = 75.6 dB(A)