IF4W4

Technical Specifications

Clear-Com Format

Program Line Input
Input Impedance : >= 1KΩ

Party-line Output
Output Impedance: >10KΩ

Stage Announce/Balanced Line Out
Type: Balanced
Output Impedance: >= 80Ω
Load Impedance: >= 600Ω

Frequency Response
Program Input - Party-line: 200 - 18KHz ± 3dB
Party-line - Line Out: 200 - 18KHz ± 3dB

Max Distortion
Program Input - Party-line: <= 0.2%
Party-line - Line Out: <= 0.5%

Noise
Program Input - Party-line: < -85dBu
Party-line - Line Out: < -60dBu

Max Gain
Program Input - Party-line: >= -16dB
Party-line - Line Out: >= 24dB

Min Gain
Program Input - Party-line: <= -20dB
Party-line - Line Out: <= -45dB

Line Out LED Threshold
Green: -7dBu ± 2dB
Red: +5dBu ± 2dB

Party-line LED Threshold
Green: -10dBu ± 2dB
Red: 0dBu ± 2dB

Power
Input Voltage Range: 20-30 VDC
Input Current (Idle): <= 40mA
Input Current (Max): <= 50mA

Rear Panel Connectors
Intercom: (4) XLR-3F (1 per channel)
4-Wire Terminal Block Connectors: (4) Connectors (1 per channel)
4-Wire Transmit Level Switches: (4) Switches (1 per channel)

Front Panel Connectors
Headset: (1) XLR-4M
TS1 Earphone: (1) 3.5mm Jack Socket

Front Panel Controls & Indicators
Green Level LED: (4) LEDs (1 per channel)
Red Level LED: (4) LEDs (1 per channel)
Link LED: (4) LEDs (1 per channel)
Power LED: (4) LEDs (1 per channel)
Null Test Button: (4) Buttons (1 per channel)
Receive Level Adjust: (4) In controls (1 per channel)
Transmit Level Adjust: (4) Out controls (1 per channel)
Nulling Adjust: (12) Null controls (3 per channel)
Channel Link Switch: (3) Link switches (A+B, A+C, A+D)

Environmental
32 - 122˚F (0 - 50˚C)

Dimensions
19 in. W x 1.75 in. H x 7.75 in. D
(483 mm x 44.5 mm x 197 mm)

Weight
5.83 lbs. (2.65 Kg)

Product Spares List

Product Spare Part	Spare Part Description
810497Z	IF4W4 MANUAL