Larson Davis 831 - Page 444

Model 831 Manual Model 831 Specifications A-7
Table A-6 ADP074 ICP Adapter Performance Specifications
Gain (0 dB) Gain (20 dB)
SPL Max Level 135
dBV 116 dBV
Peak Max Level 138 dBV 119 dBV
Octave Band Analysis (OBA)
Max Level,
Normal range
135 dBV 116 dBV
OBA Max Level,
Low Range
102 dBV 83 dBV
ICP Constant Current 2.2 ± 0.2 mA
ICP Open Circuit Voltage 32 to 36 VDC
Length with microphone and preamplifier 11.35 inches 29.0 cm
Length, instrument body only 8.80 inches 22.4 cm
Width 2.80 inches 7.10 cm
Depth 1.60 inches 4.10 cm
Weight with batteries; no preamplifier or
microphone
13.6 oz 390 g
Weight with batteries, preamplifier and
microphone
1.2 lb 550 g
Table A-7 Physical Characteristics