I C S - 2 1 / 2 1 D T S P E A K E R S T A T I O N
5 - 1
SPECIFICATIONS
Panel Microphone Pre-Amp
Input Type
Electret
Pre-Amp Response Curve
Frequency Response
250 Hz to 12 kHz, contoured for intelligibility
Limiter Range
20 dB
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 dBV
Input Impedance
> 100k ohm
Frequency Response
150 Hz to 15 kHz, ± 3 dB
Power Requirements
Voltage
16 to 18 VAC
Current
100 mA average
Internal Connectors
Intercom
eight-wire modular connector
Program
three-position, plug-on screw terminals
AC Power
two-position, plug-on screw terminals
Internal Controls
(3) Option switches; (1) Minimum Volume Level control
Front Panel Controls & Indicators
(1) Program-level control; (1) Intercom-volume control; (1) Talk button; (1) Answer-back
button; (1) Talk light; (1) Call-waiting light
Environmental
32
°
to 122
°
F (0
°
to 50
°
C)
Dimensions
8.25 in. W x 4.5 in. H x 1.75 in. D (210 mm x 114 mm x 44 mm)
5
Summary of Contents for ICS-21
Page 1: ...SPEAKER STATION I N S T R U C T I O N M A N U A L ICS 21 21DT...
Page 4: ...I C S 2 1 2 1 D T S P E A K E R S T A T I O N...
Page 13: ...I C S 2 1 2 1 D T S P E A K E R S T A T I O N 1 9...
Page 15: ...I C S 2 1 2 1 D T S P E A K E R S T A T I O N...
Page 16: ...I C S 2 1 2 1 D T S P E A K E R S T A T I O N...
Page 18: ...I C S 2 1 2 1 D T S P E A K E R S T A T I O N...
Page 22: ...I C S 2 1 2 1 D T S P E A K E R S T A T I O N 4 4 Figure 6 Main PCB Component Layout...
