Telex MRT-327 2-Channel User Station for RTS-TW and A5F Headsets, 24kHz-100Hz Talk-Off Frequency, 20kHz-100Hz Call Light Signalling Frequency

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Used Telex MRT-327 2-Channel User Station for RTS-TW and A5F Headsets, 24kHz-100Hz Talk-Off Frequency, 20kHz-100Hz Call Light Signalling Frequency

SKU: US1563546 MFR: F.01U.391.521
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$94.00
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What`s in the box:

  • Telex MRT-327 2-Channel User Station for A5F Headsets
  • Original Box
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Key Features

  • Can send and receive 20kHz call signals
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INCLUDES FREE WARRANTY

  • This used item comes with a free 90-day warranty. ?
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Telex MRT-327 Specifications

  • Input DC Voltage Mode

    18 to 35V DC

  • Input DC Voltage Local Power

    15 to 35V DC (12 to 15V DC, reduced performance)

  • DC Current Drawn from TW Line Quiescent

    45mA +/-10%

  • Operating 25Ohms Phone

    75mA +/-10%

  • Operating 25Ohms Phone + Call Light

    90mA +/-10%

  • Operating 8Ohms speaker

    240mA +/-10%

  • Operating 8Ohms Speaker + Call Light

    300mA +/-10%

  • Impedance Across Line

    10KOhms, minimum (designed for use with 200Ohms "TW" intercom lines)

  • Operating Temperature

    0 deg. C to 50 deg. C (32 deg. F to 122 deg. F)

  • Storage Temperature

    40 deg. C to 85 deg. C (104 deg. F to 185 deg. F)

  • Humidity

    Operating and Storage: 5% to 95%, non-condensing

  • Noise Contribution

    Channel 2: <-60dBp
    Channel 1: <-80dBp

  • Microphone Preamplifier: Input Impedance

    470Ohms +/-5% (dynamic mic)

  • Microphone Preamplifier:Source Impedance

    200Ohms (nom.)

  • Microphone Preamplifier: Maximum Input

    150mV

  • Microphone Preamplifier: Frequency

    -54dB input: 100Hz to 8KHz +/-3dB

  • Microphone Preamplifier: Limiter Range

    30dB

  • Microphone Preamplifier: Carbon Mic

    10mA, (nom.)

  • Microphone Current Source: Output

    3.3mA into 200Ohms = +/-1V peak, (nom.)

  • Speaker Amplifier: Maximum Voltage Gain

    30dB

  • Speaker Amplifier: Frequency Response

    100Hz to 8kHz +/-4dB

  • Speaker Amplifier: Output Power

    1.5 watts into 8Ohms (nom.)
    Speaker DIM (speaker muting during mic activation) adjustable
    -4 to -30dB (Factory set to -6dB)

  • Headphone Amplifier: Voltage Gain

    34dB

  • Headphone Amplifier: Output Voltage

    8V peak-to-peak into 25Ohms (nom.)

  • Headphone Amplifier: Output Power

    1/2W peak into 25Ohms

  • Headphone Amplifier: Frequency Response

    150Hz to 10KHz +/-3dB

  • Headphone Amplifier: Impedance Range

    25 to 600Ohms (600 to 2000Ohms with reduced levels)

  • Headphone Amplifier: Sidetone Adjustment

    -20dB to full on

  • Call Light: Signalling Frequency

    20KHz +/-100Hz

  • Talk-Off: Frequency

    24KHz +/-100Hz

  • Connectors: Dynamic Microphone Headset

    XLR type 6 pin female

  • Connectors: Panel Microphone

    1/4" standard phone jack, 3-circuit

  • Connectors: Line Input

    One (1) XLR type 3-pin female and one (1) XLR type 3-pin male, wired in parallel

  • Construction

    Aluminum case, thermoplastic front panel

  • Dimensions (H x W xD)

    1.71 x 8.2 x 9" / 43.434 x 208.28 x 228.6mm

  • Weight

    2.75lbs / 1.24kg

About Telex MRT-327 2-Channel User Station for RTS-TW and A5F Headsets, 24kHz-100Hz Talk-Off Frequency, 20kHz-100Hz Call Light Signalling Frequency

The Telex MRT-327 is a 2-Channel User Station for use in RTS-TW intercom systems and A5F Headsets. It may be used as a headset station or as a speaker station. It can be installed in rack mount configurations.

Telex MRT-327 2-Channel User Station for RTS-TW and A5F Headsets, 24kHz-100Hz Talk-Off Frequency, 20kHz-100Hz Call Light Signalling Frequency Features

  • Can send and receive 20kHz call signals
  • MIC on/off switch can be used as a momentary push-to-talk switch or as a latching on/off switch
  • Receives 24kHz talk-off (mic kill) signals for deactivation of the microphone from a remote location
  • The microphone pre-amplifier circuit contains a limiter which helps to equalize output for different voice levels
  • Accepts a dynamic-mic headset used in conjunction with an external speaker located on the rear panel. It also has an optional jack for gooseneck panel microphone
  • Receives operating power from the intercom line. It may be internally modified for local powering from a separate DC power supply or batteries

Warranty Information

This used item has a FREE 90-day warranty. See details.

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Key Features

  • Can send and receive 20kHz call signals