ASL INTERCOM PS 278 Benutzerhandbuch - Seite 11

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12.0 TECHNICAL SPECIFICATIONS PS 278

POWER SUPPLY

mains voltage range

DC output voltage

ripple and noise

max. output current

circuit-breaker delay time

automatic reset time

AUX INPUT

input impedance

nominal input level

max. input level

phantom power

MIC. PREAMP

mic. impedance

gain

presence filter

frequency response

V electret mic

HEADPHONES DRIVER AMP

max. load

max. output level

max. output power

SIDETONE

rejection

BUZZER

max. SPL

DIMENSIONS AND WEIGHT

width

height

depth

weight

GENERAL SYSTEM SPECIFICATIONS

intercom line impedance

intercom line audio level

dynamic range

call send signal

call receive signal threshold

supply voltage

mic mute power interrupt time

Note: 0 dBu = 775 mV into open circuit.

ASL reserves the right to alter specifications without further

notice.

115 V units: 100 - 125 V 60Hz AC

230 V units: 210 - 250 V 50Hz AC

+30 V +/-5% DC

< 11 mV rms

1.7 A continuous / 3 A peak

30 Kohms (balanced line level)

4.6 Kohms (balanced mic level)

-18 dBu to +6 dBu (line level)

-38 dBu to -14 dBu (mic level)

+22 dBu (line level)

+2 dBu (mic level)

+30 V DC (mic level selected)

200 ohms

40 dB - 70 dB (adjustable internally)

+6 dB at 5 kHz

200 Hz - 13 kHz (-6 dB)

200 ohms

normal 14 V rms (200 ohms)

binaural 8 V rms (400 ohms)

normal 0.5 W rms (each can)

binaural 0.16 W rms (each can)

0 - 30 dB adjustable

19" (483 mm)

1U (44.5 mm)

350 ohms (1kHz)

2.2 Kohms (DC)

nom. -18 dBu

max. +4 dBu

+2.4 V DC

+30 V DC (12 V to 32 V)

0.2 sec.

3.0 sec.

+ 9 V DC

100 dBA

150 mm

2.75 Kg

80 dB

2.8 mA

0.1 sec