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Audio-Technica® AT-MX351a 5 Channel Automatic SmartMixer®-AT-MX351a

Model #: AT-MX351a
151126
Audio-Technica
At a Glance

Audio-Technica® AT-MX351a 5 Channel Automatic SmartMixer® with automatic threshold setting and indivdual gain controls

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Get to know this product.

The AT-MX351a automatic mixer is ideal for meetings, seminars, teleconferencing, worship services, courtroom proceedings, 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 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.

  • Four automatic Mic/Line inputs, plus Aux in
  • Automatic threshold setting
  • 48V phantom power individually selectable for each channel
  • Limiters on each mic channel prevent individual channel overload
  • Balanced inputs and output, selectable Mic/Line-level
  • Individual gain controls for each channel
  • Switchable manual mode overrides automatic functions
  • Master output level control
  • Pre- or post-controller audio outputs from Mic/Line channels
  • Off attenuation for each input adjustable to -40 dB
  • Sub-D connector for TTL output, plus closure-control input for external control of each channel
  • NOMA operation provided, can be turned on/off
  • Output level meter with Peak and RMS modes
  • Monitor headphone output with adjustable level
  • Internal AC supply
  • Mounts in a single 19" rack space
  • Includes rack mount adapters
Useful Documents
Manual
Specifications

Input Impedance

Mic8,000 ohms
Line50,000 ohms
Aux50,000 ohms
Link In20,000 ohms

Output Impedance

Balanced Yes
Line200 ohms
Mic300 ohms
Unbalanced400 ohms
Link Out100 ohms
Preamp Out750 ohms

Maximum Input Level

Mic-24 dBV
Line+27 dBV
Aux+17 dBV

Maximum Output Level

+22 dBmYes

Nominal Output Level

Balanced Yes
Line+4 dBm (600 ohms), +4.4 dBV (open circuit)
Mic-46 dBm (600 ohms), -44 dBV (open circuit)
Unbalanced-10 dBV (open circuit)
Preamp Out -10 dBV (open circuit)

Additional Specifications

Maximum Monitor Output700 mW, 20 ohm load
Maximum Gain73 dB
Frequency Response40 Hz to 22 kHz
Equivalent Input Noise-128 dBV (150 ohms) at maximum gain
Input Attenuation10 dB
Mic/Line Input Pads50 dB
Maximum NOMA Attenuationapproximately 20 dB (up to 100 microphones on simultaneously)
Microphone Phantom Power+48V DC
Control Voltage Out+4V DC
Power Supply100V-240V AC, 50-60 Hz, 30W
Operating Temperature32° to 104° F (0° to 40° C)
Dimensions16.93" (430 mm) W x 9.38" (238 mm) D x 1.75" (44 mm) H (including feet, knobs and connectors)
Weight7 lbs. 6 oz (3.35 kg)
Accessories IncludedAC power cable; AT8325/1.0 Link Cable; rack mount adapters; security caps

Misc. Specs

Product Weight7
Depth (in.)9.38
Height (in.)1.75
Manufacturer Warranty2 Year
WarningProposition 65 Warning for California Residents
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