• Clear-Com MS-704

  • Clear-Com MS-704

    4-Channel Headset/Speaker Main Station

  • Clear-Com MS-704

 Clear-Com MS-704 4-Channel Headset/Speaker Main Station
 Home > Clear-Com > Party-Line > Partyline Main Stations > MS-704
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    Clearcom MS-704
    Product Code: MS704

    Buy Sell Sales Clear-Com MS-704

     
    Clearcom MS-704
Clear-Com MS-704: Overview
4-Channel Headset/Speaker Main Station with Built-in 2-amp Power Supply, Rack Mount (2RU)

Four intercom channels with programmable front-panel buttons. High-capacity, fail-safe power supply supports up to 40 RS-601 beltpacks or 10 speaker stations or 12 headset stations; 3 IFB channels, announce button/relay, channel-linking button and Remote Mic Kill switch.

Other features include:
- All Channel linking
- Program input with individual channel level controls
- Remote Mic Kill switch
- Stage Announce
 
Clear-Com MS-704 Specifications
Panel Microphone Input Input Type: Electret
Input Impedance: >=2KΩ
Mic Limiter Threshold: 0dBu ±3dB
Mic Limiter Range: >= 20dB
Headset Microphone Input Input Type: Dynamic
Input Impedance: >= 1KΩ
Mic Limiter Threshold: 0dBu ±3dB
Mic Limiter Range: >= 17dB
Program Line Input Maximum Level before Clipping: >= 20dBu
Input Impedance: >= 5KΩ
Headset Output Load Impedance: >= 8Ω
Output Impedance: <= 25Ω
Output Limiter Threshold: +5dBu ± 3dB
Maximum Output Level before
Distortion: >= 17dBu
Speaker Output Load Impedance: >= 4Ω
Max Output Level before
1% Distortion: 20dBu ± 2dBu
Party-line Output Off Noise: < -74dBu
Output Impedance: >10KΩ
Party-line Input Crosstalk: < -60dB
Max level before Clipping: >= 12dBu
Sidetone Null Capability: > 25dB
Stage Announce/Balanced Line Out Type: Balanced
Output Impedance: >= 200Ω
Load Impedance: >= 600Ω
IFB/Hot Mic Type: Unbalanced
Output Impedance: 150Ω
Load Impedance: >= 600Ω
Frequency Response Panel Mic - Party-line: 600 - 10KHz ± 3dB
Headset Mic - Party-line: 200 - 12KHz ± 3dB
Headset Mic - Line Out: 200 - 12KHz ± 3dB
Program Input - Party-line: 100 - 17KHz ± 3dB
Program Input - Headset Out: 200 - 10KHz ± 3dB
Program Input - Speaker Out: 300 - 10KHz ± 3dB
Party-line - Headset Out: 200 - 10KHz ± 3dB
Party-line - Speaker Out: 300 - 10KHz ± 3dB
Max Distortion Panel Mic - Party-line: <= 0.5%
Headset Mic - Party-line: <= 0.5%
Headset Mic - Line Out: <= 0.5%
Program Input - Party-line: <= 0.2%
Program Input - Headset Out: <= 0.2%
Program Input - Speaker Out: <= 0.5%
Party-line - Headset Out: <= 0.2%
Party-line - Speaker Out: <= 0.5%
Noise Panel Mic - Party-line: < -65dBu
Headset Mic - Party-line: < -70dBu
Headset Mic - Line Out: < -55dBu
Program Input - Party-line: < -85dBu
Program Input - Headset Out: < -60dBu
Program Input - Speaker Out: < -60dBu
Party-line - Headset Out: < -50dBu
Party-line - Speaker Out: < -50dBu
Max Gain Panel Mic - Party-line: >= 37dB
Headset Mic - Party-line: 41dB ± 2dB
Headset Mic - Hot Mic Out: 55dB ± 3dB
Headset Mic - Announce Out: 55dB ± 3dB
Program Input - Party-line: >= -16dB
Program Input - Headset Out: >= 18dB
Program Input - Speaker Out: >= 24dB
Party-line - Headset Out: >= 34dB
Party-line - Speaker Out: >= 40dB
Min Gain Panel Mic - Party-line: <= 25dB
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
Station Capacity Up to 40 RS-601 beltpacks or 10 speaker stations or 12 headset stations distributed over all channels
Rear Panel Connectors
 
Intercom: XLR-3M (2 per channel)
Announce Out: XLR-3M (audio)
Program: (1) XLR-3F
Hot Mic / IFB Interface: (1) 1/4 in. (0.64 cm) phone jack
Accessory: (1) DB-15F
AC Power: IEC 320 connector
Rear Panel Controls (1) Power switch
Front Panel Connectors Panel Mic: (1) 1/4 in. (0.64 cm) panel mounting jack
Headset: (1) XLR-4M
Front Panel Controls & Indicators (1) Panel / headset mic switch
(1) Mic on button
(1) All talk button
(1) Announce button
(1) Party-line link button
(4) Program ON-OFF-INTERRUPT DIP switches
(1) Program level control
(4) Listen adjust controls
(4) Channel null adjust controls
(4) Channel program feed adjust controls
(4) Talk buttons
(4) Call buttons
(4) Listen buttons
(1) RMK button
(1) Speaker ON-OFF switch
(1) Speaker volume control
(4) Short LEDs
(1) Panel mic gain control
(1) Sidetone adjust control
(1) Headset audio limiter DIP switch
(3) Interrupt enable DIP switches
(4) Auto-call DIP switches
(4) Auto-talk/listen DIP switches
(4) Talk latch disable DIP switches
(4) Line length DIP switches
Environmental 32 - 122˚F (0 - 50˚C)
Dimensions 19 in. W x 3.5 in. H x 10.5 in. D
(483 mm x 88 mm x 267 mm)
Weight 10.86lbs. (4.94 kg)
 
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