ASL INTERCOM BS 17 User Manual - Page 6

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ASL INTERCOM BS 17 User Manual
must have a can impedance of mini-
mum 200 Ω. The headset mic may be
of the dynamic or electret type..
6.0

TECHNICAL SPECIFICATIONS

System
Dynamic range: 80 dB (1 kHz, THD < 1%)
•
Frequency response: 200 Hz - 15 kHz (-3 dB)
•
Call signal: 2.8 mA
•
Call signal threshold (receive): +2.4V DC
•
Operating voltage: 24 – 32 V DC
•
Power interrupt time (mic mute): 0.1 sec
•
Intercom Line
Line Impedance: 350 Ω (1 kHz) / 2.2 kΩ (DC)
•
Audio level: nom. -18 dBu, max. 0 dBu
•
Mic pre-amp
Gain: 40 – 60 dB
•
Presence filter: +6 dB at 5 kHz
•
Power to electret mic: +9V DC
•
Headphone Driver Amps
Max output level: 16 Vrms @ 200 Ω
•
Max output power: 1.3 Wrms @ 200 Ω
•
Side Tone
Rejection: 0 – 30 dB adjustable
•
Buzzer
Max. SPL: 85 dBA at 0.1m
•
BS 17 Power Consumption (@ 30V DC)
18 mA quiescent, 35 mA signalling
•
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