Clear-Com Marketing / Thursday, November 2, 2017 / Categories: Products, Clear-Com Encore Analog Partyline Systems, Interfaces IF4W4 4-Channel 4-Wire to Partyline Interface Interfaces TV cameras, 2-way radios, fiber circuits and other 4-wire devices to Clear-Com partyline Individual Transmit Receive and Null controls Transmit output switchable between mic and line level Built-in test jack and oscillator for quick nulling Selective partyline capability Accepts balanced or unbalanced 4-wire input Transformer isolated Terminal block and XLR connectors for each interface Powered by the intercom line Print 23905 Rate this article: 5.0 Item CodeIF4W4Technical Specifications Left Program Line Input Input Impedance: >= 1K Partyline Output Output Impedance: >10K Stage Announce/Balanced Line Out Type: Balanced Output Impedance: >= 80 Load Impedance: >= 600 Frequency Response Program Input - Partyline: 200 - 18kHz ± 3dB Partyline - Line Out: 200 - 18kHz ± 3dB Max Distortion Program Input - Partyline: <= 0.2% Partyline - Line Out: <= 0.5% Noise Program Input - Partyline: < -85dBu Partyline - Line Out: < -60dBu Max Gain Program Input - Partyline: >= -16dB Partyline - Line Out: >= 24dB Technical Specifications Right Min Gain Program Input - Partyline: <= -20dB Partyline - Line Out: <= -45dB Line Out LED Threshold Green: -7dBu ± 2dB Red: +5dBu ± 2dB Partyline LED Threshold Green: -10dBu ± 2dB Red: 0dBu ± 2dB Power Input Voltage Range: 20-30V DC Input Current (Idle): <= 40mA Input Current (Max): <= 50mA Environmental 32 - 122°F (0 - 50°C) Dimensions 1.75 x 19 x 7.75in (HxWxD) (44 x 483 x 197mm) Weight 5.8lbs (2.7kg)Mark as DiscontinuedNoRank9999IsActiveTest More links MS-7021541 MS-7041541 EF-701M1541 TW-471541 TWC-7031541 Please login or register to post comments.