User manual

PAGE 6
User Manual PS 430 / October 2013 © ASL Intercom BV
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6.0 TECHNICAL SPECIFICATIONS PS 430
System
dynamic range: 80 dB
frequency response: 200 Hz - 13 kHz (-3 dB)
call send signal: +2.8 mA
call signal threshold (receive): +2.4 V DC
operation voltage: 24 - 30 V DC
power interrupt time (mic mute): 0.1 sec
Intercom Line
Impedance: 350 Ω (1kHz), 2.2 kΩ (DC)
audio level: nom. -18 dBu, max. 0 dBu
Mic. Pre-amps
gain: 40 - 60 dB (adjustable internally)
presence filter: +6 dB at 5 kHz
power to electret mic: +9 V DC
Side Tone
Rejection: 0 - 30dB adjustable
Buzzer
max. SPL: 85 dBA
Speaker Driver Amp
1.6 W rms @ 16 Ω
Headphones Driver Amps
max. output level:
monaural: 16 V rms @ 200 Ω
binaural: 2x 10.3 V rms @ 400 Ω
max. output power:
monaural: 1.3 W rms @ 200 Ω
binaural: 2x 0.27 W rms @ 400 Ω
Power Consumption PS 430
current (at 30 V DC):
70 mA quiescent
105 mA signaling
230 mA at max. output + signaling
Dimensions & Weight PS 430
width: 283mm / height: 88 mm
depth: 42/48 mm sloping / weight: 1550 grams
0 dBu is defined as 775 mV into open circuit
ASL reserves the right to alter specifications
without prior notice
7.0 BLOCK DIAGRAM PS 430