Clear-Com MS-702 Two-Channel Intercom Main Station

Clear-Com MS-702 2-Channel Intercom Main Station

The MS-702 is a 1RU two-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 2 channels

• Automatic short-circuit protection and reset with LED indicators

• Visual and audible call signaling

• Individual volume controls for each channelProgram 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-702

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: >= 15dB

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

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

Mains Power

• Input Voltage Range: 100 - 240V AC

• Input Frequency Range: 50 - 60Hz

• Input Power: <= 60V AC

• Output Voltage: 30V DC ± 0.5V

• Output Current per Channel (Continuous): 1.2A

• Output Current per Channel (Peak): 2A (Do not exceed the 1.2A rating for more than 2 seconds per 1 minute period)

• Short Circuit Recovery Time (1st short):<= 0.5 sec

• Short Circuit Recovery Time >= 20 shorts in 20sec: <= 20 sec

Environmental

• 32 - 122°F (0 - 50°C)

Dimensions

• 1.75 x 19 x 6.5in (HxWxD)

• (44 x 483 x 165mm)

Weight

• 6.1lbs (2.8kg)