Larson Davis 831 - Page 483

A-46 Frequency Response Model 831 Manual
FIGURE A-25 Model 831 with 377B02 Microphone: 1584.89 Hz 3162.28 Hz, 6309.57 Hz
and 12589.25 Hz
LD Model: 831, Serial #: 0099, Normalized to 251.19Hz @ 0° xy
Tested 02/03/06 15:13:24 by Alex T.
Note: 377B02/100916 PRM831/0118
Reference Mic: B&K Model: 4189, Serial Number: 2440346, Tested: 02/03/06 10:50:56
90°
0°
2.0 dB
-2.0 dB
-6.0 dB
-10.0 dB
-14.0 dB
-18.0 dB
-22.0 dB
Mic 1584.89 Hz (2) Mic 3162.28 Hz (2) Mic 6309.57 Hz (2) Mic 12589.25 Hz (2)