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

Description

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)