Model 831 Manual Frequency Response A-59
• To 25 kHz with 200’ (61 m) cable
• To 20 kHz with 328’ (100 m) cable
• To 18 kHz with 400’ (122 m) cable
• To 15 kHz with 500’ (152 m) cable
• To 6.3 kHz with 1000’ (305 m) cable
Model 831: 3 V rms signal, 10.5 dB below full scale
• To 80 kHz with 200’ (61 m) cable
• To 63 kHz with 328’ (100 m) cable
• To 50 kHz with 500’ (152 m) cable
• To 10 kHz with 1000’ (305 m) cable
Test Conditions
All values are at 23° C, 50% RH, 35 Volt supply, 3 m (10') cable and equivalent microphone of 12 pF
unless otherwise stated.