Clear-Com CS702
2 Channel Main Intercom Station


Monitoring System
The station can monitor intercom activity on one or both channels with individual Listen Level controls. Monitoring intercom activity is possible through a headset, or external earphone or speaker.

Talk Selection
The station contains a mic preamp with limiter and proprietary speech-shaping circuits for enhanced intelligibility. An individual electronic momentary/latching talk button is provided for each channel. These buttons light dimly when latched.

The station provides individual Call buttons for each channel to signal all stations on the channel(s). When a remote station operator sends a Call signal, the CS-702’s associated Talk button lights brightly, attracting the attention of an operator who have removed their headsets or turned off their speakers.

Remote Mic Kill (RMK)
Pressing the RMK button will turn off the microphone talk circuits of all Clear-Com beltpacks eliminating annoying noise from the open headset microphones.

Sidetone control allows the operator to vary the level of his or her own voice as heard in the headset. The CS-702 provides individual sidetone adjustment for each channel.

Program Input
The station accepts a balanced, mic- or line-level program signal for monitoring in the headset and/or mixing the intercom audio on either or both channels. The front panel provides a local Program Monitor volume control and individual Program Send level controls. It also provides a Program Send on/off/interrupt switch for each channel. When interrupt is selected, program is interrupted when the Talk button is pressed.

Power Supply and Supply System Protection
The CS-702 provides visual indication of power supply conditions. In the event of a DC short circuit or current overload, the station’s electronic overload protection circuit will shut down the DC output to avoid damage. As soon as the fault condition is removed, the auto-reset circuitry will automatically restore system power – even under full load conditions. There is no need to disconnect stations to allow the power supply to reset.

Clear-Com CS702 Features:

  • Supports up to 40 beltpacks or 7 speaker stations on 2 channels
  • Automatic short-circuit protection and reset with LED indicators
  • Dual-action electronic momentary/latching “Talk” buttons
  • Mic- or line-level program with selectable “Program Interrupt”
  • “Remote Mic Kill”
  • Stage announce with relay
  • Individual volume controls for each channel
  • Front-panel headphone connector
  • Channel A & B “Link” switch to operate as a one-channel system
  • Front-panel speaker output
  • UL approved
  • LED buttons for talk, call, announce, link, all talk, or mic on

Clear-Com CS702 Specifications:

  • Headset Microphone Input
    • Input Type: Dynamic
    • Input Impedance: >=1K ohm
    • Mic Limiter Threshold: 0dBu ± 3dB
    • Mic Limiter Range: >= 15dB
  • Program Line Input
    • Maximum Level before Clipping: >= 20dBu
    • Input Impedance: >= 5K ohms
    • Program Mic Input
      • Maximum Level before Clipping : >= -35dB
      • Input Impedance: >= 1K ohms
      • Headset Output
        • Load Impedance: >= 8 ohms
        • Output Impedance: <=25 ohms
        • Output Limiter Threshold: +5dBu ± 3dB
        • Maximum Output Level before Distortion: >=17dBu
        • Party Line Output
          • Off Noise : < -74dBu
          • Output Impedance : >10K ohms
        • Party Line Input
          • Crosstalk: <-60dB
          • Max level before Clipping:>= 12dBu
          • Sidetone Null Capability: > 25dB
        • Stage Announce/Balanced Line Out
          • Type: Balanced
          • Output Impedance:>= 200 ohms
          • Load Impedance: >= 600 ohms
          • Frequency Response
            • Headset Mic - Party Line: 200 - 18KHz ±3dB
            • Headset Mic - Line Out: 200 - 18KHz ± 3dB
            • Program Input - Party Line: 200 - 20KHz ± 3dB
            • Program Input - Headset Out: 200 - 18KHz ±3dB
            • Party Line - Headset Out: 200 - 18KHz ± 3dB
          • Max Distortion\
            • Headset Mic - Party Line: <= 0.5%
            • Headset Mic - Line Out: <= 0.5%
            • Program Input - Party Line: <= 0.2%
            • Program Input - Headset Out: <= 0.2%
            • Party Line - Headset Out: <= 0.2%
            • Noise
              • Headset Mic - Party Line: < -70dBu
              • Program Input - PartyLine: < -85dBu
              • Program Mic - Party Line: < -70dBu
              • Program Input -Headset Out: < -60dBu
              • Program Mic - Headset Out: < -40dBu
              • Party Line - Headset Out: < -50dBu
            • Max Gain
              • Headset Mic - Party Line: 41dB ± 2dB
              • Headset Mic - Announce Out: 55dB ± 3dB
              • Program Input - Party Line: >= -16dB
              • Program Mic -Party Line: 41dB ± 2dB
              • Program Input - Headset Out: >= 18dB
              • Program Mic - Headset Out: >= 70dB
              • Party Line - Headset Out: >= 34dB
              • Mains Power
                • Input Voltage Range: 100 - 240 VAC
                • Input Frequency Range: 50 - 60 Hz
                • Input Power: <= 60 VAC
                • Output Voltage: 30 VDC ±0.5V
                • Output Current per Channel (Continuous): 1.2 A
              • Output Current per Channel (Peak): 2 A(Do not exceed the 1.2A rating for more than 2 seconds per 1minute period)
                • Short Circuit Recovery Time(1st short): <= 0.5 sec
                • Short Circuit Recovery Time >= 20 shorts in 20sec): <= 20 sec
                • Rear Panel Connectors Intercom: (6) XLR-3M (3 per channel)
                • Announce Out: (1) XLR-3M (audio)
                • Announce Relay: (1) 1/4 in.(0.64 cm) phone jack (relay)
                • Program: (1) XLR-3F
                • AC Power: IEC 320 connector
              • Rear Panel Controls
                • (2) Termination On-Off switches
                • (1) Powerswitch
                • (1) Program input Mic/Line switch
              • Front Panel Connectors
                • Panel Mic: (1) 3.5mm earphone jack
                • Headset: (1) XLR-4M
              • Front Panel Controls & Indicators
                • (1) Announce button
                • (1) Partyline link button
                • (2) Program ON-OFF-INTERRUPT switches
                • (2) Program level controls
                • (2) Sidetone controls
                • (2) Talk buttons
                • (2) Callbuttons
                • (1) RMK button
                • (1) Program volume control
                • (2) Listen controls
                • (2) Short LEDs
              • Environmental: 32 - 122°F
              • Dimensions (W x H x D): 8.5" x 3" x 10"
              • Weight: 5.02 lbs
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