Clear-Com RM-704 Four-Channel Headset / Speaker Remote Station

The 704 series is Clear-Com’s most advanced party-line intercom system. Each station is a four-channel intercom with superior audio and versatile channel access to provide unmatched communication flexibility. All front-panel controls are intuitive and easy to operate. The station’s front-panel buttons are programmable and can be customized for a wide variety of applications that will meet the demands of any stage, studio, or field producer. Separate volume controls for every channel ensure the perfect audio mix in the headset or on the integral speaker.

The RM-704 remote station is powered directly from the intercom line and requires no external AC power, allowing it to be placed anywhere regardless of available electrical mains

Key Features

Four Independent Intercom Channels for ultimate flexibility
Separate Talk and Listen Buttons for each channel
Individual Listen Volume Controls for each channel
Three Interruptible IFB Channels make talent cueing easy
“Announce" Button with Relay for external paging
Adjustable Mic Proximity Compensation reduces acoustic feedback
LED buttons for talk, call, announce, link, all talk, and mic on
Remote Mic Kill switch turns off the microphone talk circuits

Panel Microphone Input	Input Type: Electret Input Impedance: >=2KΩ Mic Limiter Threshold: 0dBu ±3dB Mic Limiter Range (MS-704 & RM-704): >= 20dB Mic Limiter Range (SB-704): >= 15dB
Headset Microphone Input	Input Type: Dynamic Input Impedance: >= 1KΩ Mic Limiter Threshold: 0dBu ±3dB Mic Limiter Range (MS-704 & RM-704): >= 17dB Mic Limiter Range (SB-704): >= 15dB
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
Party Line Output	Off Noise: < -74dBu Output Impedance: >10KΩ
Party Line 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 - Party Line: 600 - 10KHz ± 3dB Headset Mic - Party Line: 200 - 12KHz ± 3dB Headset Mic - Line Out: 200 - 12KHz ± 3dB Program Input - Party Line: 100 - 17KHz ± 3dB Program Input - Headset Out: 200 - 10KHz ± 3dB Program Input - Speaker Out: 300 - 10KHz ± 3dB Party Line - Headset Out: 200 - 10KHz ± 3dB Party Line - Speaker Out: 300 - 10KHz ± 3dB Panel Mic - Party Line: <= 0.5% Headset Mic - Party Line: <= 0.5% Headset Mic - Line Out: <= 0.5% Program Input - Party Line: <= 0.2% Program Input - Headset Out: <= 0.2% Program Input - Speaker Out: <= 0.5% Party Line - Headset Out: <= 0.2% Party Line - Speaker Out: <= 0.5%
Noise	Panel Mic - Party Line: < -65dBu Headset Mic - Party Line: < -70dBu Headset Mic - Line Out: < -55dBu Program Input - Party Line: < -85dBu Program Input - Headset Out: < -60dBu Program Input - Speaker Out: < -60dBu Party Line - Headset Out: < -50dBu Party Line - Speaker Out: < -50dBu
Max Gain	Panel Mic - Party Line: >= 37dB Headset Mic - Party Line: 41dB ± 2dB Headset Mic - Hot Mic Out: 55dB ± 3dB Headset Mic - Announce Out: 55dB ± 3dB Program Input - Party Line: >= -16dB Program Input - Headset Out: >= 18dB Program Input - Speaker Out: >= 24dB Party Line - Headset Out: >= 34dB Party Line - Speaker Out: >= 40dB
Min Gain	Panel Mic - Party Line: <= 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	10.07lbs. (4.58 kg)

Features

Four Independent Intercom Channels for ultimate flexibility
Microprocessor-Controlled Logic assures maximum communications power
Universal Voltage Power Supply for 100 - 240 VAC operation, with short circuit protection on each channel
Linking Control instantly links channels together in “super party line"
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
Remote Mic Kill switch turns off the microphone talk circuits

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Clear-Com RM-704 Four-Channel Headset / Speaker Remote Station

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