Clear-Com ICS-22 - Manual (Page 39)

Vitec Group Communications
ICS-22 Speaker Panel Instruction Manual 5 - 1
SPECIFICATIONS
Note: 0 dBu is referenced to 0.775 V RMS
Headset Microphone Pre-Amp
Input Type Dynamic
Impedance 1k ohm
Input Level -55 dBu nominal; -10 dBu max.
Panel Microphone Pre-Amp (KB-211GM only)
Input Type Electret
Input Level -45 dBu nominal
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 dBu across 600 ohm
Distortion < 0.5% THD at 1 kHz
Frequency Response 200 Hz to 15 kHz, ±3 dB
Power Output 110 dB SPL
Speaker Amplifier
Speaker Type 2.5 in. round, 16 ohm
Power Output 2 W into 16 ohms
Frequency Response 200 Hz to 15 kHz, ±3 dB
Signal-to-Noise 75 dB
Distortion < 0.5% THD at 1 kHz
Speaker Level 98 dB SPL at 3 ft.
Program Amplifier
(Transformerless, balanced differential input)
Input Level
-20 dBu
Input Impedance > 100k ohm
Frequency Response 150 Hz to 15 kHz, ± 3 dB
Power Requirements
Voltage 30-VDC standard unit;
16- to 18-VAC with 4-Wire Option Module
Current 100 mA average
Internal Connectors
Program Three-position, plug-on screw terminals
5