SmartMixer Four-channel Automatic Mixer

SmartMixer Four-channel Automatic Mixer
AT-MX341
SmartMixer Four-channel Automatic Mixer

Overview

The AT-MX341a SmartMixer has been replaced with the AT-MX341b SmartMixer Four-channel Automatic Mixer. Click here for more information. The AT-MX341a automatic 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.

Features

  • 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
Tech Specs

Technical Specification

Frequency Response 60 Hz to 30 kHz at -3 dB points
Impedance Input : Mic: 4,000 ohms Line: 30,000 ohms, Output : Line: 200 ohms Mic: 320 ohms
Accessories AC adapter, AT8325/1.0 Link Cable, Optional : AT8628 Double Rackmount Joining Plate
Equivalent Input Noise -120 dBV (150 ohms) at maximum gain
Power Supply 12V AC or 15-18V DC, either polarity; 150 mA, minimum
CONTROLS +4V DC
Audio Output Attenuator 10 dB
Maximum Input Level Mic: -20 dBV Line: +30 dBV
Max Output level Line: +14 dBm (600 ohms) Mic: -40 dBm (600 ohms)
Maximum Output Level XLR (0VU) Line: +4 dBm (600 ohms), +4.4 dBV (open circuit) Mic: -46 dBm (600 ohms), -44 dBV (open circuit)
Operating Temerature Range 32° to 104° F (0° to 40° C)
Phantom Power Requirements +12V DC
Dynamic Range 75 dB +/-10 dB, dependent upon gain control settings
Dimensions 8.25" (210 mm) W x 9.38" (327 mm) D x 1.75" (44 mm) H (including feet, knobs and connectors)
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