MTJ TECH CO.,LTD

บริษัท เอ็มทีเจ เทค จำกัด

Product

Clear-Com MS-702

2-Channel Headset/Speaker Main Station with built-in 2-amp power supply, rack mount (1RU) – UL Listed

Compact, feature-laden, single rack-space intercom main station supports up to 40 RS-701 beltpacks, 10 speaker stations or 12 headset stations on two channels.


PRODUCT HIGHLIGHTS

  • Channel A-B linking
  • Program input with individual channel level controls
  • Remote Mic Kill switch
  • External relay circuit
  • Stage Announce
Categories: ,

Description

Clearcom MS-702 Main Station – Party Line Intercom

  • 2-Channel 1RU Main Station with built-in Speaker
  • 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 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

 

Technical Specifications

Panel Microphone Input
  • Input Type: Electret
  • Input Impedance: >=2K
  • Mic Limiter Threshold: 0 dBu ±3 dB
  • Mic Limiter Range: >= 20 dB
Headset Microphone Input
  • Input Type: Dynamic
  • Input Impedance: >= 1K
  • Mic Limiter Threshold: 0 dBu ± 3dB
  • Mic Limiter Range: >= 15 dB
Program Line Input
  • Maximum Level before Clipping: >= 20 dBu
  • Input Impedance: >= 5K
Headset Output
  • Load Impedance: >= 8
  • Output Impedance: <= 25
  • Output Limiter Threshold: +5 dBu ± 3 dB
  • Maximum Output Level before Distortion: >= 17 dBu
Speaker Output
  • Load Impedance: >= 4
  • Max Output Level before 1% Distortion: 20 dBu ± 2 dBu
Partyline Output
  • O Noise: < -74 dBu
  • Output Impedance: >10 K
Partyline Input
  • Crosstalk: < -60 dB
  • Max level before Clipping: >= 12 dBu
  • Sidetone Null Capability: > 25 dB
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 ± 3 dB
  • Headset Mic – Line Out: 200 – 12KHz ± 3 dB
  • Program Input – Partyline: 100 17KHz ± 3 dB
  • Program Input – Headset Out: 200 – 10KHz ± 3 dB
  • Program Input – Speaker Out: 300 – 10KHz ± 3 dB
  • Partyline – Headset Out: 200 – 10KHz ± 3 dB
  • Partyline – Speaker Out: 300 – 10KHz ± 3 dB
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: < -65 dBu
  • Headset Mic – Partyline: < -70 dBu
  • Headset Mic – Line Out: < -55 dBu
  • Program Input – Partyline: < -85 dBu
  • Program Input – Headset Out: < -60 dBu
  • Program Input – Speaker Out: < -60 dBu
  • Partyline – Headset Out: < -50 dBu
  • Partyline – Speaker Out: < -50 dBu
Max Gain
  • Panel Mic – Partyline: >= 37 dB
  • Headset Mic – Partyline: 41 dB ± 2 dB
  • Headset Mic – Hot Mic Out: 55 dB ± 3 dB
  • Headset Mic – Announce Out: 55 dB ± 3 dB
  • Program Input – Partyline: >= -16 dB
  • Program Input – Headset Out: >= 18 dB
  • Program Input – Speaker Out: >= 24 dB
  • Partyline – Headset Out: >= 34 dB
  • Partyline – Speaker Out: >= 40 dB
Min Gain
  • Panel Mic – Partyline: <= 25 dB
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 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 6.5 in (HxWxD)
  • (44 x 483 x 165 mm)
Weight
  • 6.1 lbs (2.8 kg)