A-58 Frequency Response Model 831 Manual
Output Slew Rate
2 V/µS (typical)
Electronic Noise
with 12 pF equivalent microphone
1.8 µV typical A-weighted (2.4 µV max)
4.3 µV typical Flat 20 Hz to 20 kHz (5.0 µV max)
Power Supply Voltage
15 to 36 Volts
DC Output Level
~1/2 power supply voltage
Power Supply Current
1.9 mA typical
Temperature Sensitivity
<±0.05 dB from -40° to +80° C (14° to +176 °F)
Humidity Sensitivity
<±0.05 dB from 0 to 90% RH, non-condensing at 50° C (122 °F)
Dimensions
12.7 mm diameter x 73 mm length (0.50" diameter x 2.88" length)
Microphone Thread
11.7 mm - 60 UNS (0.4606 - 60 UNS)
Cable Driving Capability (<0.1 dB error)
Model 831 SLM: 10 V rms output signal, full scale
• To 50 kHz with 10’ (3 m) cable
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