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TELIKOU TM-800 eight channel wired party line intercom main station master station for broadcast television station, communication center, UB truck, live performance, theater, football games

HomeProductsWired Intercom 2-Wire/Party Line Main StationsTELIKOU TM-800 eight channel wired party
TELIKOU TM-800 eight channel wired party line intercom main station master station for broadcast television station, communication center, UB truck, live performance, theater, football gamesTELIKOU TM-800 eight channel wired party line intercom main station master station for broadcast television station, communication center, UB truck, live performance, theater, football gamesTELIKOU TM-800 eight channel wired party line intercom main station master station for broadcast television station, communication center, UB truck, live performance, theater, football games

TELIKOU TM-800 eight channel wired party line intercom main station master station for broadcast television station, communication center, UB truck, live performance, theater, football games

  • Category:2-Wire/Party Line Main Stations
  • Description

    TELIKOU TM-800 eight channel wired party line intercom main station master station for broadcast television station, communication center, UB truck, live performance, theater, football games


    Eight channel 2-wire/party-line main station

    Four channels support IFB function

    Panel speaker

    Gooseneck microphone and Headset connector

    Stage Announce

    PGM In and Program Feed control

    RMK function

    Built in power supply

     

    TM-800 intercom main station is suitable for television station, communication center, UB truck, live performance and any other environment which requires communication. We recommend you read through this manual to better understand the functions of TM-800。

    This system adopts wired connection, and has following features, free of external emission interference, stable and reliable performance, flexible configuration, full-duplex communication, clear and loud communication sound, easy operation, and strong noise resistance.

    I. Characteristics

    l Remote Microphone kill function (RMK).

    l IFB function

    l Announcement output

    l Controllable background input

    l Automatic circuit short protection and indication.

    l Special Feedback control circuit

    1. Headset connector

    4-pin XLR Male or 5-pin XLR Female

    Earphone: Dynamic 8-300 ohm

    Microphone: Dynamic 200 ohm 

    The wiring of headset is as follow:

    Pin 1 --- Mic. common

    Pin 2 --- Mic. hot

    Pin 3 --- Earphone -

    Pin 4 --- Earphone +

    Pin 5 --- NULL

     Intercom cable

    A). Rules for cable selection

    TELIKOU intercom system adopts double-core shielded audio cable, one core is used for transmitting audio signal, another core is used for transmitting DC power or control signal, and the shielded layer is used as common line for audio and power supply. To decrease resistance of common line and crosstalk interference, the cable with larger cross section area should be used. When it is used in fixed way, the cross section area of single line should be at least 1.5mm2, when it is used in mobile mode, the cross section area of single line should be at least 0.75mm2. When the cable is longer, the cross section area of cable should be larger. If the cable has more than 2 cores, it is recommended to use the additional core as common line.

     

    B). Cable connection

    The standard TELIKOU intercom cable is connected with a pair of 3-pin XLR connectors. If longer cable is required, you can connect several cables together with head-end method.

    The wiring of connector is as follows:

    Pin 1 --- Common (Shield)

    Pin 2 --- Power or Control Signal

    Pin 3 --- Audio Signal

    Notice: the pin-1 GND connection for each XLR connector must be insulated from cabinet, and cannot be connected to shell of XLR connector.

     

    V Troubleshooting

    Problem: Power LED wink

    Cause 1: Direct short on the intercom channel

    Solution 1: Remove all the intercom cables from TM-800. Check each channel one by one, until find the short channel.

     

    Cause 2: Overload

    Solution 2: Decrease the amount of remote stations.

     

    Problem: System feedback (Acoustical)

    Cause 1: Listen level control at this station or a remote station is set too high

    Solution 1: Reduce the volume

     

    Cause 2: Sidetone null control at this station or a remote station is not adjusted correctly

    Solution 2: Adjust sidetone again.

     

    Cause 3: Channel un-terminated.

    Solution 3: Set the TM-800 termination switch to the ON position.

     

    Cause 3: A headset cord is too long or jointing quality.

    Solution 3: Check headset cord

     

    Problem: Excessive crosstalk

    Cause 1: High DC resistance in ground return.

    Solution 1: Use heavier cable; add additional conductor(s) to ground return.

    Cause 2: Headset cables are not wired properly or shielded properly.

    Solution 2: Correct wiring. Use headsets with properly shielded wiring.

     

    Problem: Low Listen Level

    Cause 1: Some microphone on belt pack or stations are no turned off after talking. The noise goes into the system through these microphone.

    Solution 1: Press RMK to shut off all the microphone in the system.

     

    Problem: Hum or buzz in system

    Cause 1: Inductive pickup caused by close proximity of this main station or connected remote stations to power lines or transformers.

    Solution 1: Relocate the offending unit.

     

    Cause 2: Intercom line cable is not wired properly; the shield of microphone cable is not connected to Pin-1 of 3-XLR

    Solution 2: Check intercom line cable. Make sure all the cables’ Pin-1 of 3-XLR connects correct.

    If this condition occurs, it is because the system ground came into contact with something that was "HOT" with respect to the power supply earth ground. Carefully check the system ground and AC distribution in the area.

    WARNING: THIS IS A POTENTIALLY DANGEROUS SITUATION. A SHOCK HAZARD MAY EXIST BETWEEN A REMOTE STATION HEADSET AND GROUND.

     

    VI Technical Specification

    BANDWIDTH:

    300Hz-4000Hz ±3dB

    SIDETONE:

    Adjustable range: >32dB

    EARPHONE:

    Dynamic 8 - 300ohm

    HEADSET MICROPHONE:

    Dynamic 200-600 ohm    

    POWER SUPPLY:

    AC 90-260V, 50-60Hz, <45VA

    DIMENSION:

    19” (W) x1.75” (H) x9.48” (D), 482mm x 44.5mm x 241mm 

    WEIGHT:

    2.6kg


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      • 4-Wire Belt Packs
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    • Wireless Intercom
    • IFB System
    • Headset & Microphone
      • Headset
      • Gooseneck Micrphone
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      • Wired & Wireless Tally
      • Audio Mixer / Monitor
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