Clear-Com RM-704 4-Channel Headset/Speaker Station

Four-Channel Headset/Speaker Station, Rack Mount

4-Channel Headset/Speaker Station Rack Mount (2RU)

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: >=2KΩ
• Mic Limiter Threshold: 0dBu ±3dB
• Mic Limiter Range: >= 20dB
• Headset Microphone Input
• Input Type: Dynamic
• Input Impedance: >= 1KΩ
• Mic Limiter Threshold: 0dBu ±3dB
• Mic Limiter Range: >= 17dB
• Program Line Input
• Maximum Level before Clipping: >= 20dBu
• Input Impedance: >= 5KΩ
• Headset Output
• Load Impedance: >= 8Ω
• Output Impedance: <= 25Ω
• Output Limiter Threshold: +5dBu ± 3dB
• Maximum Output Level before Distortion: >= 17dBu
• Speaker Output
• Load Impedance: >= 4Ω
• Max Output Level before 1% Distortion: 20dBu ± 2dBu
• Partyline Output
• Off Noise: < -74dBu
• Output Impedance: >10KΩ
• Partyline Input
• Crosstalk: < -60dB
• Max level before Clipping: >= 12dBu
• Sidetone Null Capability: > 25dB
• Stage Announce/Balanced Line Out
• Type: Balanced
• Output Impedance: >= 200Ω
• Load Impedance: >= 600Ω
• IFB/Hot Mic
• Type: Unbalanced
• Output Impedance: 150Ω
• Load Impedance: >= 600Ω
• 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
• Headset: (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 - 122°F (0 - 50°C)
• Dimensions
• 19 in. W x 3.5 in. H x 10.5 in. D
• (483 mm x 88 mm x 267 mm)
• Weight
• 10.07 lbs. (4.58 kg)