Extron electronic MPA 122 user manual Chapter Three, Remote Operation, Remote connector wiring

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Installation and operation, cont’d

Remote connector wiring

As shown below, Pin 1 is 10 VDC reference voltage. Pin 2 is volume control DC voltage; range is 0 to 10 V, where 0 V is mute and 10 V provides maximum volume. Pin 3 is ground.

All nominal levels are at ±10%

MPA 122

REMOTE

1

2

3

10V

VOL/MUTE

1

MAX

2K

10K

2

MIN

3 GND

MUTE

VOLUME

3

Figure 2-9 — Pinout diagram for optional remote connector

See Chapter 3, Remote Operation for more information on the three options (IR remote, MLC series, or DC volume/mute controller) for remote control.

Chapter Three

Remote Operation

Remote Control Options

2-10 MPA 122 • Installation and Operation

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Contents Mini Power Amplifier User’s ManualPrecautions Extron’s WarrantyFCC Class a Notice Quick Start Guide MPA Under Desk Projector MountTable of Contents Table of Contents, cont’d OneIntroduction MPAFeatures IntroductionAbout this Manual About the MPAInstallation and Operation TwoIntroduction MPA Installation and Operation Installation OverviewMounting the MPA Rack mountingInstallation and operation, cont’d Projector mountingUnder-desk mounting Rear Panel Features Power inputAudio inputs Front Panel Features Setting Up the MPA 122 AmplifierRemote control Audio outputRemote connector wiring Chapter ThreeRemote Operation Specifications, Part Numbers Accessories Remote Control OptionsAAppendix a Remote OperationSpecifications, Part Numbers, and Accessories AudioAudio input Control/remote amplifierOptional Accessories Included PartsSpecifications, Part Numbers, Accessories, cont’d

MPA 122 specifications

Extron Electronics is known for its innovative solutions in the field of professional AV systems, and among its comprehensive range of products, the MPA 122 stands out as a highly versatile audio amplifier. Designed to deliver clear and powerful audio in various applications, the MPA 122 is particularly well-suited for installations in conference rooms, classrooms, and other environments where high-quality sound reinforcement is essential.

One of the main features of the Extron MPA 122 is its ability to deliver 2-channel power, with output capabilities of 2 x 60 watts into 4-ohm loads. This dual-channel setup allows for extensive variances in configuration, catering to both stereo and monaural applications. Users can leverage the compact design of the MPA 122, which takes up minimal rack space while providing ample audio output.

The MPA 122 incorporates Extron's advanced Class D amplifier technology, which ensures high efficiency and low power consumption while still delivering impressive sound quality. This technology contributes to reduced operating costs and less heat generation, making the amplifier ideal for integration into tight spaces.

Another characteristic that enhances the MPA 122's appeal is its wide range of input options. The amplifier features both balanced and unbalanced inputs, including 3.5mm stereo and Euroblock connectors. This flexibility simplifies integration into existing systems, allowing users to connect various audio sources seamlessly.

The amplifier also offers comprehensive signal processing capabilities. Integrated DSP features include comprehensive equalization and limiting functions, which allow users to fine-tune the audio output for specific environments. This level of customization ensures that the sound produced is balanced and appropriate for the specific space being used.

Moreover, the MPA 122 is equipped with a built-in priority mixing capability. This function allows one signal to take precedence over others, making it ideal for applications that require announcements or emergency message broadcasting.

Reliability is another key consideration with the MPA 122. The unit is designed for long-term, continuous use and comes with a robust cooling system to prevent overheating during extended operational periods.

In conclusion, the Extron MPA 122 is a high-performance audio amplifier that combines compact design with extensive capabilities. With its advanced technology, versatility in connectivity, and user-friendly features, it stands as an excellent choice for various audio amplification needs in professional installations.