Clear-Com MS-704 | 4 Channel Headset Speaker Main Station Intercom

SKU: CLE-CNTLR-MS704 Category:
Clear-Com

Condition: New

$2,405.00

Analog Partyline Intercom Main Station with Built In 2 Amp Power Supply

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-701 beltpacks or 10 speaker stations or 12 headset stations; 3 IFB channels, announce button/relay, channel-linking button and Remote Mic Kill switch.

Key Features

  • All Channel linking
  • Program input with individual channel level controls
  • Remote Mic Kill switch
  • Stage Announce

Technical Specifications

Panel Microphone Input
Input Type
Electret
Input Impedance
>=2K OHMS
Mic Limiter Threshold
0dBu ±3dB
Mic Limiter Range
>= 20dB
Headset Microphone Input
Input Type
Dynamic
Input Impedance
>= 1K OHMS
Mic Limiter Threshold
0dBu ±3dB
Mic Limiter Range
>= 17dB
Program Line Input
Maximum Level before Clipping
>= 20dBu
Input Impedance
>= 5K OHMS
Headset Output
Load Impedance
>= 8 OHMS
Output Impedance
<= 25 OHMS
Output Limiter Threshold
+5dBu ± 3dB
Maximum Output Level before
Distortion
>= 17dBu
Speaker Output
Load Impedance
>= 4 OHMS
Max Output Level before
1% Distortion
20dBu ± 2dBu
Partyline Output
Off Noise
< -74dBu
Output Impedance
>10K OHMS
Partyline Input
Crosstalk
< -60dB
Max level before Clipping
>= 12dBu
Sidetone Null Capability
> 25dB
Stage Announce/Balanced Line Out
Type
Balanced
Output Impedance
>= 200 OHMS
Load Impedance
>= 600 OHMS
IFB/Hot Mic
Type
Unbalanced
Output Impedance
150 OHMS
Load Impedance
>= 600 OHMS
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 – 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) Partyline 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)

SKU: CLE-CNTLR-MS704 Category:

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