ASL INTERCOM PS 230 사용자 설명서 - 페이지 6

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6.0

TECHNICAL SPECIFICATIONS

System Specifications

Dynamic range: 80 dB (1 kHz, THD < 1%)

Frequency response: 200 Hz – 15 kHz (-3dB)

Call signal: (send): +2.8 mA

Call signal threshold (receive): +2.4V DC

Operation voltage: 24 – 32 V DC

Power interrupt time (Mic Mute): 0.1 sec

Line Impedance: 350 Ω (1 kHz), 2.2 kΩ (DC)

Audio level: nom. -18 dBu, max. 0 dBu

Microphone Pre-amps

Gain: 40 – 60 dB (adjustable internally, separately

for the headset mic and the gooseneck mic)

Presence filter: +6 dB @ 5 kHz

Power to electret mic: +9V DC

Limiter range (gooseneck mic): 30 dB

Headphone Driver Amp

Max. output level:

normal: 16 V rms (@ 200 Ω

binaural: 2x 10.3 V rms (@ 400 Ω

Max. output power:

normal: 1.3 W rms @ 200 Ω

binaural: 2x 0.27 W rms @ 400 Ω

7.0

PS 230 BLOCK DIAGRAM

PAGE 6

User Manual PS 230 / October 2013 © ASL Intercom BV

Speaker Driver Amp

Max. output power: 1.6 W rms @ 16 Ω

Side Tone

Rejection: 0 - 30 dB adjustable

Buzzer

Max. SPL: 85 dBA

PS 230 Power Consumption

Current (at 30V DC):

35 mA quiescent

70 mA signaling

190 mA at max. output + signaling

PS 230 Dimensions & Weight

Width 230 mm

Height 88 mm

Depth 42/48 mm sloping

Weight 1.3 Kg

0 dBu is defined as 775 mV into open circuit

ASL reserves the right to alter specifications

without prior notice.