Audio-Technica AT-MX351 manual Contents

Page 2

Contents

 

Introduction

5

What is a SmartMixer?

5

Features

5

Front Panel

6

Rear Panel

7

Installation and Setup

8

Priority Microphones and Lockout Bus

8

NOMA

9

Auxiliary Input

9

Preamplifier Gain

9

Output Level

10

Phantom Power

10

Output Level LED Meter

10

Adjusting “Off” Attenuation

12

Preamp Outputs

12

Input Limiters

12

Force-on/Force-off

12

Control Voltage Out

13

Daisy-chaining Mixers

14

Rack Mounting

14

Security Caps

14

Specifications

15

Warranty

Back cover

Compliance with FCC rules (USA only)

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Caution for FCC

You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.

Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harm- ful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

IC statement (Canada only)

This Class A digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la classe A est conforme á la norme NMB-003 du Canada.

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Contents AT-MX351 SmartMixer Contents Safety Cautions Introduction What is a SmartMixer?Features Priority Pre-selectPower switch Power on indicator AT-MX351 Front PanelAT-MX351 Rear Panel Unbalanced line-level -10 dBV output. RCA jackInstallation and Setup Priority Microphones and the Lockout Bus ChannelsAuxiliary Input Preamplifier GainOutput Level LED Meter Phantom PowerOutput Level Summary of Internal ControlsInternal view of mixer Preamp Outputs Adjusting Off AttenuationExternal Control Connector Pinout Input LimitersControl Voltage Out Driving One LEDSecurity Caps Daisy-chaining MixersRack Mounting Specifications† One-Year Limited Warranty
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AT-MX351 specifications

The Audio-Technica AT-MX351 is a versatile mixer that has gained a strong reputation amongst audio professionals for its performance and utility. Designed for various applications, from live sound to permanent installation, the AT-MX351 boasts features that enhance audio quality and ease of use.

One of the standout features of the AT-MX351 is its ability to handle multiple audio sources with ease. It features three programmable microphone inputs, making it perfect for settings where multiple speakers or performers are involved. This is especially useful in conference rooms, lecture halls, and places of worship, where different users may need to take turns speaking without the hassle of connecting and disconnecting microphones.

The mixer is equipped with advanced automatic mixing technology, which intelligently manages the audio levels from various microphones. This prevents feedback and minimizes background noise, resulting in clear and intelligible sound. The AT-MX351 utilizes Audio-Technica's proprietary Automatic Gain Controls (AGC) to ensure that the audio levels remain consistent, providing a professional sound experience.

In terms of connectivity, the AT-MX351 features balanced XLR inputs, allowing for secure connections that maintain audio integrity. It also includes unbalanced line inputs, catering to a wider array of equipment. The mixer offers both balanced and unbalanced outputs, providing flexibility for integration into different sound systems.

Another notable characteristic of the AT-MX351 is its user-friendly interface. The layout of the controls is intuitive, allowing operators to make quick adjustments on the fly. The clear LED indicators help users monitor signal levels easily, making it easier to identify any issues. This is particularly beneficial during live events where quick decision-making is crucial.

The AT-MX351 also incorporates a built-in limiter and compressor, which help to avoid distortion and maintain a consistent sound quality. This feature is especially important in environments with varying acoustic dynamics or when dealing with powerful audio signals.

In summary, the Audio-Technica AT-MX351 mixer stands out due to its robust features, including multiple programmable microphone inputs, advanced automatic mixing technology, and user-friendly controls. This combination of technology and usability makes it an ideal choice for audio professionals seeking reliability and high-quality sound in their applications. Whether for live performances, conferences, or installations, the AT-MX351 proves to be a reliable and effective solution in the audio mixing landscape.