I C S - 2 4 H E A D S E T S T A T I O N
5 - 1
SPECIFICATIONS
Headset Microphone Pre-Amp
Input Type
Dynamic
Impedance
1k ohms
Input Level
-55 dBV nominal; -10 dBV max.
Pre-Amp Response Curve
Frequency Response:
250 Hz to 12 kHz, contoured for intelligibility
Limiter Range
20 dB
Headphone Amplifier
Load Impedance Range
50 ohm to 2k ohm
Output Level
at least +20 dBV across 600 ohms
Distortion
< 0.2% THD at 1 kHz
Frequency Response
200 Hz to 15 kHz, ±3 dB
Power Requirements
Voltage
16 to 18 VAC
Current
30 mA average
Internal Connectors
Intercom
Eight-wire modular connector
AC Power
Two-position, plug-on screw terminals
Front Panel Connectors
Headset: (1) XLR-4M
Front Panel Controls and Indicators
(1) Intercom-volume control; (1) Sidetone control; (1) Talk button; (1) Answer-back
button; (1) Talk/listen selector switch; (1) Talk LED; (1) Call-waiting LED.
Environmental
32
°
to 122
°
F (0
°
to 50
°
C)
Dimensions
4.625 in. W x 4.5 in. H x 1.75 in. D (117 mm x 114 mm x 44 mm)
Weight
0.64 lb. (0.29 kg)
5
