Clear-Com RM-704
MPN #RM-704
4-Channel Simultaneous Headset/Speaker Station
The RM-704 is a 2RU four-channel remote station with programmable front panel buttons and individual channel volume control. The RM-704 is powered directly from the intercom line and requires no external AC power.
Features
Dual-action electronic Momentary/Latching Talk buttonsIndividual listen volume controlsVisual and audible call signalingBalanced audio input with program interrupt (IFB)External switchable line termination on each channelMicrophone limitingHot mic and line-level outputsStage Announce with relayBuilt-in speaker
Specifications
Panel Microphone Input
Input Type: ElectretInput Impedance: >=2KMic Limiter Threshold: 0dBu ±3dBMic Limiter Range: >= 20dB
Headset Microphone Input
Input Type: DynamicInput Impedance: >= 1KMic Limiter Threshold: 0dBu ±3dBMic Limiter Range: >= 17dB
Program Line Input
Maximum Level before Clipping: >= 20dBuInput Impedance: >= 5K
Headset Output
Load Impedance: >= 8Output Impedance: <= 25Output Limiter Threshold: +5dBu ± 3dBMaximum Output Level before Distortion: >= 17dBu
Speaker Output
Load Impedance: >= 4Max Output Level before 1% Distortion: 20dBu ± 2dBu
Partyline Output
Off Noise: < -74dBuOutput Impedance: >10K
Partyline Input
Crosstalk: < -60dBMax level before Clipping: >= 12dBuSidetone Null Capability: > 25dB
Stage Announce/Balanced Line Out
Type: BalancedOutput Impedance: >= 200Load Impedance: >= 600
IFB/Hot Mic
Type: UnbalancedOutput Impedance: 150Load Impedance: >= 600
Frequency Response
Panel Mic - Partyline: 600 - 10KHz ± 3dBHeadset Mic - Partyline: 200 - 12KHz ± 3dBHeadset Mic - Line Out: 200 - 12KHz ± 3dBProgram Input - Partyline: 100 - 17KHz ± 3dBProgram Input - Headset Out: 200 - 10KHz ± 3dBProgram Input - Speaker Out: 300 - 10KHz ± 3dBPartyline - Headset Out: 200 - 10KHz ± 3dBPartyline - 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: < -65dBuHeadset Mic - Partyline: < -70dBuHeadset Mic - Line Out: < -55dBuProgram Input - Partyline: < -85dBuProgram Input - Headset Out: < -60dBuProgram Input - Speaker Out: < -60dBuPartyline - Headset Out: < -50dBuPartyline - Speaker Out: < -50dBu
Max Gain
Panel Mic - Partyline: >= 37dBHeadset Mic - Partyline: 41dB ± 2dBHeadset Mic - Hot Mic Out: 55dB ± 3dBHeadset Mic - Announce Out: 55dB ± 3dBProgram Input - Partyline: >= -16dBProgram Input - Headset Out: >= 18dBProgram Input - Speaker Out: >= 24dBPartyline - Headset Out: >= 34dBPartyline - Speaker Out: >= 40dB
Min Gain
Panel Mic - Partyline: <= 25dB
DC Power
Input Voltage Range: 20-30 VDCInput Current (Idle): <=165 mAInput 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-3FHot Mic / IFB Interface (1) 1/4 in. (0.64 cm) phone jackAccessory: (1) DB-15F
Front Panel Connectors
Panel Mic: (1) 1/4 in. (0.64 cm) panel mounting jackHeadset: (1) XLR-4M
Front Panel Controls & Indicators
(1) Panel / headset mic switch(1) Mic on button(1) All talk button(1) Announce button(4) Program ON-OFF-INTERRUPT DIP switches(1) Program level control(4) Listen adjust controls(4) Channel null adjust controls(4) Channel program feed adjust controls(4) Talk buttons(4) Call buttons(4) Listen buttons(1) Speaker ON-OFF switch(1) Speaker volume control(1) Panel mic gain control(1) Sidetone adjust control(1) Headset audio limiter DIP switch(3) Interrupt enable DIP switches(4) Auto-call DIP switches(4) Auto-talk/listen DIP switches(4) Talk latch disable DIP switches(4) Line length DIP switches
Environmental
32 - 122F (0 - 50C)
Dimensions
19 in. W x 3.5 in. H x 10.5 in. D(483 mm x 88 mm x 267 mm)
Weight
10.07lbs. (4.58 kg)
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