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. Unlike the MS-704, the RM-704 has no power supply, circuit breaker or linking function.
Clear-Com RM-704 Features
- Dual-action electronic Momentary/Latching Talk buttons
- Individual listen volume controls
- Visual and audible call signaling
- Balanced audio input with program interrupt (IFB)
- External switchable line termination on each channel
- Microphone limiting
- Hot mic and line-level outputs
- Stage Announce with relay
- Built-in speaker
- RM-704 Encore 4-Channel Remote Station1
- Panel Microphone Input
- Input Type: Electret
- Input Impedance: >=2K
- 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
- Party Line Output
- Output 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
- 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 GainPanel Mic – Partyline: <= 25dB
- DC Power
- Input Voltage Range: 20-30
- VDC Input Current (Idle): <=165 mA
- Input Current (Max): <=195 mA
- Environmental32 – 122°F (0 – 50°C)
- Dimensions (WxHxD)19x3.5x10.5" (483x88x267mm)
- Weight10.9lbs (4.9kg)
