ASL inctercom masterstation 2 ch
Dynamic Range: 80 dB (1 kHz, THD < 1%)
Frequency Response: 200 Hz – 15 kHz (-3 dB)
Call Signal (send): 2.8 mA
Call Signal Threshold (receive): < 2.4 V DC
Operating Voltage: 30 V DC
Intercom Line
Impedance: 350 Ù (1 kHz), 2.2 kÙ (DC)
Audio Level: nom. -18 dBu, max. 0 dBu
Switch-Mode Power Supplies
Mains Voltage Range: 100 – 240 V AC, 50/60 Hz
Output Voltage: +30 V DC (+/- 5%)
Max. Output Power: 45 W
Mic Pre-amps
Gain: 40 – 60 dB
Presence Filter: +6 dB at 5 kHz
Power to Electret Mic: 9 V DC
Headphone Driver Amps
Max. Output Level: 11.6 Vrms (at 200 Ù)
Max. Output Power: 0.7 Wrms (at 200 Ù)
Side Tone
Rejection: 0 - 30 dB adjustable
Buzzer
Max. SPL: 90 dBA (at 0.1m)
Aux Input
Input Impedance: 33 kÙ
Nominal Input level: 0 dBu
Max. Input level: + 22 dBu