• Clear-Com MS-704 Encore 4-Channel Main Station
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Clear-Com MS-704 Encore 4-Channel Main Station

Clear-Com MS-704 Encore 4-Channel Main Station

SoundPro Item: 41668 | Part Number: MS-704

Pricing available upon request

Pricing available upon request

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  • 4-Channel 2RU Main Station with built-in Speaker
  • 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
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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. The MS-704 supports up to 55 beltpacks or 10 speaker stations, or 12 headset stations.

The MS-704 accepts five separate program audio sources: four line-level balances inputs and one assignable line-level input. The assignable program input accepts a balanced signal and is designed for monitoring external audio. The four balanced program inputs can be used to create individual program feeds on the intercom channels. The MS-704 can monitor intercom activity on one or all four channels with individual volume level controls. Monitoring intercom activity is possible through a headset or the internal high-sensitivity loudspeaker.

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Specifications

Dimensions
Dimensions (WxHxD)
19x3.5x10.5" (483x88x267mm)
Electrical
Load Impedance
>= 8
Input Voltage Range
100 – 240V AC
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)
Audio
Input Impedance
>=2K
Output Impedance
<= 25
Crosstalk
< -60dB
Min Gain
Panel Mic – Partyline: <= 25 dB
Output Voltage
30V DC ± 0.5V
Connectivity
Input Type
Electret
Output Limiter Threshold
+5dBu ± 3dB
Maximum Output Level Before Distortion
>= 17dBu
Max Output Level Before 1% Distortion
20dBu ± 2dBu
Program Input – Partyline
100 17kHz ± 3dB
Program Input – Headset Out
200 – 10kHz ± 3dB
Program Input – Speaker Out
300 – 10kHz ± 3dB
Input Frequency Range
50 – 60Hz
Input Power
<= 60V AC
Shipping
Weight
6.1lbs (2.8kg)
General
Mic Limiter Threshold
0dBu ± 3dB
Mic Limiter Range
>= 20dB
Maximum Level Before Clipping
>= 20dBu
O Noise
< -74dBu
Max Level Before Clipping
>= 12dBu
Sidetone Null Capability
> 25dB
Type
Balanced
Panel Mic – Partyline
600 – 10kHz ± 3dB
Headset Mic – Partyline
200 – 12kHz ± 3dB
Headset Mic – Line Out
200 – 12kHz ± 3dB
Partyline – Headset Out
200 – 10kHz ± 3dB
Partyline – Speaker Out
300 – 10kHz ± 3dB
Headset Mic – Hot Mic Out
55dB ± 3dB
Headset Mic – Announce Out
55dB ± 3dB
Short Circuit Recovery Time (1st short)
<= 0.5 sec
Mains Power
Short Circuit Recovery Time >= 20 shorts in 20sec: <= 20 sec
Environmental
32 – 122°F (0 – 50°C)

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