Clear Com MS-704 4 Channel Intercom Main Station

Clear Com MS-704 4 Channel Intercom Main Station

The MS-704 is a 2RU four-channel main station with programmable front panel buttons, individual channel short-circuit protection, individual channel volume control, and a regulated fail-safe power supply.

Note: Access the Encore Power Supply Calculator to estimate power requirements for analog partyline systems.

Details

• Supports up to 55 beltpacks or 10 speaker stations on 4 channels

• Automatic short-circuit protection and reset with LED indicators

• Visual and audible call signaling

• 3 interruptible IFB channels

• Individual volume controls for each channel

• Program feed to both channels with selectable Program Interrupt

• Remote Mic Kill

• Stage Announce with relay

• Channel A & B Link switch

• Built-in speaker

• Universal voltage power supply

Item Code

MS-704

Technical
Specifications

Panel Microphone Input

Input Type: Electret

Input Impedance: >=2K

Mic Limiter Threshold: 0dBu ± 3dB

Mic Limiter Range: >= 20dB

Headset Microphone Input

Input Type: Dynamic

Input Impedance: >= 1K

Mic Limiter Threshold: 0dBu ± 3dB

Mic Limiter Range: >= 15 dB

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

Partyline Output

O 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: 180

Load 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