MICROPHONES & ACCESSORIES

Clear-Com MS-702 Master Station **


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Daily: $150.00

Weekly: $450.00

Quantity: for a period of
day(s) week(s)

Additional Information

Clear-Com's MS-702 is a one-rack-space, two-channel main station with a regulated 1.2-amp "fail-safe" power supply, individual channel short-circuit protection, and a versatile intercom monitoring system. It supports two intercom channels with up to 40 beltpacks or 10 speaker stations. It features Clear-Com's excellent speech intelligibility in both high- and low-noise environments.

Monitoring System
The MS-702 can monitor intercom activity on one or both channels with individual listen-level controls. Monitoring intercom activity is possible through a headset or the internal loudspeaker. The high-sensitivity internal speaker provides intelligible communication in the typical active production environment.

Talk Selection
The MS-702 contains mic preamps with limiters, and speech-shaping circuits for enhanced intelligibility. An individual electronic momentary/latching talk button is provided for each channel. These buttons light dimly when latched - blue-color LED while in stand-by and amber-color LED when latched. The channels may be accessed separately or simultaneously without tying them together. An optional gooseneck mic is available.

Announce Output
For paging applications, the MS-702 provides a balanced, line-level output signal to a 1/4" TRS connector on the rear panel. The front panel "Announce" button activates the output and the Announce relay. The relay circuit, on a separate 1/4" TRS connector, is typically used to mute control-room monitors during live announcements.

Visual and Audible Signaling
Visual "call" signaling attracts the attention of operators who have removed their headsets or turned off their speakers. Call buttons for each channel signal all stations on that party line by flashing brightly. Along with the visual signal, the station's speaker will emit an audible signal if the remote station operator holds the Call button for more than 2 seconds.

Remote Mic Kill (RMK)
The MS-702 is equipped with a global RMK button. It will turn off the microphone talk circuits of all Clear-Com beltpacks in the system, eliminating extraneous noise from the "open" headset microphones.

Program Input
The MS-702 accepts a line-level external program input for monitoring in the headset and speaker, and/or mixing with intercom audio on either or both channels. When Interrupt is selected, the program signal is interrupted when the Talk button is pressed.

Power Supply & System Protection
The MS-702 provides visual indication of power supply conditions. In the event of a short circuit or current overload on a channel, that channel will shut down while the other one continues to operate. As soon as the fault condition is removed, the "auto-reset" circuitry will restore power to that channel - even under full load conditions.

Simple Set-Up
The MS-702 connects to remote stations with standard, two-conductor shielded mic cable. User-selectable setup dip switches are provided on the rear panel.

Clear-Com MS-702 Features:
Supports up to 40 beltpacks or 10 speaker stations on two channels and 12 headsets
Separate short-circuit protection for each channel
Dual-action electronic momentary/latching "talk"buttons
Program feed to both channels, with selectable "Program Interrupt" (IFB)
"Call" signal buttons for each channel
Global "Remote Mic Kill"
Announce output with relay
Microphone limiting
Volume controls for each channel
Visual and audible "Tone Alert" signaling
Channels A & B "Link" switch
Built-in speaker
Optional gooseneck mic
External switchable line termination on each channel
Universal voltage power supply for 100-240 VAC operation
Clear-Com MS-702 Specifications:
Panel Microphone Input
Input Type: Electret
Input Impedance: >=2kohm
Mic Limiter Threshold: 0dBu +/-3dB
Mic Limiter Range: >=20dB
Headset Microphone Input
Input Type: Dyanmic
Input Impedance:>=1k ohm
Mic Limiter Threshold: 0dBu +/-3dB
Mic Limiter Range: >=15dB
Program Line Input
Maximum Level before Clipping: >=20dBu
Input Impedance:>=5k ohm
< /UL>
Headset Output
Load Impedance: >=8 ohms
Output Impedance: <=25ohms
Output Limiter Threshold: +5dBu +/-3dB
Maximum Output Level before Distortion: >=17 dBu
< /UL>
Speaker Output
Load Impedance: >=4 ohms
Max Output Level before 1%Distortion: 20dBu +/-2dBu
Party Line Output
Off Noise: <-74dBu
Output Impedance: >10k ohms
Party Line 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
< /UL>
IFB/Hot Mic\
Type: Unbalanced
Output Impedance: 180 ohms
Load Impedance: >=600 ohms
< /UL>
Frequency Response
Panel Mic - Party Line: 600-10kHz +/-3dB
HeadsetMic - 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 - 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%
Party Line - Headset Out: <= 0.2%
Party Line - Speaker Out: <= 0.5%
< /UL>
Noise
Panel Mic - Party Line: < -65 dBu
Headset Mic - Party Line:< -70 dBu
Headset Mic - Line Out: < -55 dBu
Program Input - PartyLine: < -85 dBu
Program Input - Headset Out: < -60 dBu
ProgramInput - Speaker Out: < -60 dBu
Party Line - Headset Out: < -50dBu
Party Line - Speaker Out: < -50 dBu
Max Gain
Panel Mic - Party Line: >= 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 - Party Line: >= -16dB
Program Input - Headset Out: >= 18 dB
Program Input - Speaker Out:>= 24 dB
Party Line - Headset Out: >= 34 dB
Party Line - Speaker Out: >= 40 dB
< /UL>
Min Gain
Panel Mic - PartyLine” <= 25 dB
< /UL>
Mains Power
Input Voltage Range: 100 - 240 VAC
Input FrequencyRange: 50 - 60 Hz
Input Power: <= 60 VAC
Output Voltage: 30 VDC ±0.5V
Output Current per Channel (Continuous): 1.2 A
Output Current perChannel (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): <= 0.5sec
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 both channels
Rear Panel Connectors
Intercom: (6) XLR-3M (3 per channel)
AnnounceOut: (1) XLR-3M (audio)
Announce Relay: (1) 1/4 in. (0.64 cm) phone jack(relay)
Program: (1) XLR-3F
Hot Mic / IFB Interface: (1) 1/4 in. (0.64cm) phone jack
AC Power: IEC 320 connector
Rear Panel Controls
(2) Termination On-Off switches
(8) Optionswitches
(1) Power switch
(1) Tone alertvolume control
Front Panel Connectors
Panel Mic: (1) 1/4 in. (0.64 cm) panel mountingjack
Headset: (1) XLR-4M
Front Panel Controls & Indicators
(1) Panel / headset micswitch
(1) Announce button
(1) Party line link button
(2) ProgramON-OFF-INTERRUPT switches
(3) Program level controls
(2)Listen controls
(2) Sidetone null controls
(2) Talk buttons
(2) Callbuttons
(1) Tone alert button
(1) RMK button
(1) Speaker ON-OFF switch
(2) Short LEDs
Environmental: 32 - 122°F
Dimensions: 19" W x 1.75" H x 6.5" D
Weight: 6.06 lbs

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Clear-Com MS-702 Master Station **

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