AUDIO-TECHNICA AT-MX351A

Audio TechnicaSKU: 1005324

No Longer Available Item has been discontinued by the Manufacturer.

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Description

SmartMixer® Five-channel Automatic Mixer

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

Input Impedance

Mic: 8,000 ohms
Line: 50,000 ohms
Aux: 50,000 ohms
Link In: 20,000 ohms

Output Impedance

Balanced
Line: 200 ohms
Mic: 300 ohms
Unbalanced: 400 ohms
Link Out: 100 ohms
Preamp Out: 750 ohms

Maximum Input Level

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

Maximum Output Level

+22 dBm

Master Level control at maximum (fully clockwise)

Nominal Output Level

(0 VU)
Balanced
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)

Master Level control at maximum (fully clockwise)

Maximum Monitor Output

700 mW, 20 ohm load

Maximum Gain

73 dB

Frequency Response

40 Hz to 22 kHz

Equivalent Input Noise

-128 dBV (150 ohms) at maximum gain

Input terminated with 150 ohms, A-weighted using Audio Precision System One.

Input Attenuation

10 dB

Mic/Line Input Pads

50 dB

Maximum NOMA Attenuation

approximately 20 dB (up to 100 microphones on simultaneously)

Microphone Phantom Power

+48V DC

Control Voltage Out

+4V DC

Power Supply

100V-240V AC, 50-60 Hz, 30W

Operating Temperature

32° to 104° F (0° to 40° C)

Dimensions

16.93" (430 mm) W x
9.38" (238 mm) D x
1.75" (44 mm) H
(including feet, knobs and connectors)

Weight

7 lbs. 6 oz (3.35 kg)

Accessories Included

AC power cable; AT8325/1.0 Link Cable; rack mount adapters; security caps

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