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Automatic Microphone Mixer

AT-MX341b
  • Four Mic/Line inputs with individual priority pre-select switch for each channel
  • Balanced inputs and output are individually switchable between mic and line-level
  • Single threshold setting for all channels
  • Individual gain controls for each channel
  • Switchable manual mode overrides automatic functions
  • Master output level control
  • TTL logic output signals available to control speaker or camera switching, tally lights, etc.
  • 12V phantom power individually selectable for each channel
  • Off attenuation for each input adjustable to -20 dB
  • Output level meter with Peak and RMS modes
  • Mounts in a single 19" half-rack space
  • Includes rack mount adapters

    The AT-MX341b SmartMixer® Automatic Microphone Mixer is ideal for meetings, seminars, teleconferencing, worship services, radio and TV broadcasting and A/V applications.
    All switching is under microprocessor control with proprietary algorithms for instant, seamless operation. An individual priority pre-select switch for each mic/line channel allows choice of one-channel-at-a-time operation, all channels active, or any mix of moderator override.
    The last microphone on stays on so that ambient sound is never muted. Plus, any number of SmartMixers can be linked to create a system for large multi-mic installations. The priority control system extends throughout the entire chain.

    • audio technica AT-MX341b

    • AT-MX341b Specifications

    Input Impedance

    Mic: 4,000 ohms Line: 30,000 ohms
    Output Impedance

    Line: 200 ohms Mic: 320 ohms
    Maximum Input Level

    Mic: -20 dBV Line: +30 dBV
    Maximum Output Level

    Line: +14 dBm (600 ohms) Mic: -40 dBm (600 ohms)
    Nominal Output Level

    (0VU) Line: +4 dBm (600 ohms), +4.4 dBV (open circuit) Mic: -46 dBm (600 ohms), -44 dBV (open circuit)
    Maximum Gain

    ≧70 dB
    Frequency Response

    60 ~ 30,000 Hz at -3 dB points
    Dynamic Range (Typical)

    75 dB +/-10 dB, dependent upon gain control settings
    Equivalent Input Noise

    -120 dBV (150 ohms) at maximum gain
    Input Attenuation

    10 dB
    Mic/Line Input Pads

    50 dB
    Phantom Power

    +12V DC
    Control Voltage Out

    +4V DC
    Power Supply

    12V AC or 15-18V DC, either polarity; 300 mA
    Operating Temperature Range

    32°F to 104°F
    Weight

    1.4 kg
    Dimensions

    210.0mm X 238.0mm X 44.0mm (L X W X H)
    Accessories Furnished

    AC adapter, AT8325/1.0 Link Cable, Rackmount kit
    Accessories (Optional)

    AT8628 Double Rackmount Joining Plate

    Download

    audio technica support AT-MX341b SmartMixer_OM_0123.pdf - Operation Manual (English)
    audio technica support AT-MX341b_OMC.pdf - Operation Manual (Chinese)
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