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Microphone
Capsule Type Electret Condenser
Polar Pattern Cardioid
Sensitivity 68 dB ±3 dB (0 dB = 1 V/µbar @ 1 kHz)
Frequency response 80 Hz to 16 kHz
Number of Zones
PM4 4
PM4 8
PM4 12
PM4 16
Chime Number of Chimes 4 (user-selectable), with Internal Speaker
Interfaces
Digital Cloud Digital Paging Interface (RJ45)
Analogue 1) Zone Access Output (Short-to-Ground); 2) Audio output (balanced)
Power Input
Via digital interface Via RJ45 Digital Paging Interface connector
Via analogue interface Via internal screw-terminal access port connector
Local supply 9 - 17 VAC or 12 - 24 VDC, via rear 2.1 mm coaxial connector
Current
Consumption
PM4 55 mA (idle mode), 72 mA (peak)
PM8 61 mA (idle mode), 83 mA (peak)
PM12 67 mA (idle mode), 95 mA (peak)
PM16 73 mA (idle mode), 107 mA (peak)
Dimensions
Base unit
245 wide x 65 high (less gooseneck mic) x 170 deep (mm)
9.65” wide x 2.56” high (less gooseneck mic) x 6.7” deep
Gooseneck length 300 mm (standard); 140 mm (alternative Part No. MI100166)
Shipping
250 wide x 200 high x 240 deep (mm)
10” wide x 8” high x 9” deep
Weight 1.0 kg / 2.2 lbs (net); 1.3 kg / 2.9 lbs (gross)
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