The Clear-Com RM-704 remote station provides four independent intercom channels, with programmable front-panel buttons for versatility.
Separate volume controls for each channel and four separate audio program inputs via DB-15 Connector. Three IFB channels for talent cuing and announce button/relay for paging. Powered by the intercom line.
Features
Four Independent Intercom Channels for ultimate flexibility
Microprocessor-Controlled Logic assures maximum communications power
Separate Talk and Listen Buttons for each channel
Individual Listen Volume Controls for each channel
"All-Talk" Function permits instant communications to all four channels
Four Separate Program Inputs are electronically balanced
Three Interruptible IFB Channels make talent cueing easy
"Announce" Button with Relay for external paging
Visual "Call Signaling" alerts users when others want to speak to them
Wide-Range High-Output Speaker for optimum clarity in all acoustic environments
"Hot-Mic" Output allows easy connection to external IFBs
Adjustable Mic Proximity Compensation reduces acoustic feedback
Superior "Contoured" Audio insures excellent voice intelligibility under all noise conditions, including high-noise environments
LED buttons for talk, call, announce, link, all talk, and mic on
Specifications
Panel Microphone Input
Input Type: Electret
Input Impedance: >=2K
Mic Limiter Threshold: 0dBu ±3dB
Mic Limiter Range: >= 20dB
Headset Microphone Input
Input Type: Dynamic
Input Impedance: >= 1K
Mic Limiter Threshold: 0dBu ±3dB
Mic Limiter Range: >= 17dB
Program Line Input
Maximum Level before Clipping: >= 20dBu
Input Impedance: >= 5K
Headset Output
Load Impedance: >= 8
Output Impedance: <= 25
Output Limiter Threshold: +5dBu ± 3dB
Maximum Output Level before Distortion: >= 17dBu
Speaker Output
Load Impedance: >= 4
Max Output Level before 1% Distortion: 20dBu ± 2dBu
Partyline Output
Off Noise: < -74dBu
Output Impedance: >10K
Partyline Input
Crosstalk: < -60dB
Max level before Clipping: >= 12dBu
Sidetone Null Capability: > 25dB
Stage Announce/Balanced Line Out
Type: Balanced
Output Impedance: >= 200
Load Impedance: >= 600
IFB/Hot Mic
Type: Unbalanced
Output Impedance: 150
Load Impedance: >= 600
Frequency Response
Panel Mic - Partyline: 600 - 10KHz ± 3dB
Headset Mic - Partyline: 200 - 12KHz ± 3dB
Headset Mic - Line Out: 200 - 12KHz ± 3dB
Program Input - Partyline: 100 - 17KHz ± 3dB
Program Input - Headset Out: 200 - 10KHz ± 3dB
Program Input - Speaker Out: 300 - 10KHz ± 3dB
Partyline - Headset Out: 200 - 10KHz ± 3dB
Partyline - Speaker Out: 300 - 10KHz ± 3dB
Max Distortion
Panel Mic - Partyline: <= 0.5%
Headset Mic - Partyline: <= 0.5%
Headset Mic - Line Out: <= 0.5%
Program Input - Partyline: <= 0.2%
Program Input - Headset Out: <= 0.2%
Program Input - Speaker Out: <= 0.5%
Partyline - Headset Out: <= 0.2%
Partyline - Speaker Out: <= 0.5%
Noise
Panel Mic - Partyline: < -65dBu
Headset Mic - Partyline: < -70dBu
Headset Mic - Line Out: < -55dBu
Program Input - Partyline: < -85dBu
Program Input - Headset Out: < -60dBu
Program Input - Speaker Out: < -60dBu
Partyline - Headset Out: < -50dBu
Partyline - Speaker Out: < -50dBu
Max Gain
Panel Mic - Partyline: >= 37dB
Headset Mic - Partyline: 41dB ± 2dB
Headset Mic - Hot Mic Out: 55dB ± 3dB
Headset Mic - Announce Out: 55dB ± 3dB
Program Input - Partyline: >= -16dB
Program Input - Headset Out: >= 18dB
Program Input - Speaker Out: >= 24dB
Partyline - Headset Out: >= 34dB
Partyline - Speaker Out: >= 40dB
Min Gain
Panel Mic - Partyline: <= 25dB
DC Power
Input Voltage Range: 20-30 VDC
Input Current (Idle): <=165 mA
Input Current (Max): <=195 mA
Rear Panel Connectors
Intercom: (4) XLR-3M (1 per channel)
(4) XLR-3F (1 per channel)
Announce Out: (1) XLR-3M (audio)
Program: (1) XLR-3F
Hot Mic / IFB Interface (1) 1/4 in. (0.64 cm) phone jack
Accessory: (1) DB-15F
Front Panel Connectors
Panel Mic: (1) 1/4 in. (0.64 cm) panel mounting jack