Audiocenter MA Series - User Manual

Installation
MA Series Active Speaker
MA series active DSP-controlled speaker
MA Series is a portable active DSP-controlled speaker. It is Audiocenter ’s first lightweight integrated speaker crafted
with excellent sound, compact size, and stylish industrial design. It is versatile, portable and plug-and-play, and can be
used in various touring performances and fixed installations.
MA series cabinets are molded and made from a new type of polypropylene composite material. They are one-piece
molded, strong and wear-resistant, and can suppress vibration even under high dynamics. The cabinet structure has
been carefully tested and developed to achieve the ultimate acoustic performance, providing clear, delicate and smooth
sound.
The MA series is built with the advanced BrainCore™ technology, which can deeply analyze and process signal input,
Class D amplifier and DSP module, and optimizes the audio performance of the whole system.
Built-in wireless Bluetooth makes MA can easily connect with various Bluetooth devices.
MA series has two models of full-range speakers, MA12 and MA15. Both are created with features of excellent sound
performance, compact size, and modern design, and easy to use. They can be used as PA speakers and stage monitor.
There are multiple way of mounting and installation, for example, pole mount with a three-feet stand, or hanging
installation.

Summary

MA Series Active DSP-Controlled Speaker Overview

MA Series Speaker Description

Overview of the portable, lightweight, DSP-controlled MA series speaker, highlighting its sound quality, design, and versatility.

Installation Options

Details on various mounting and installation methods for the MA series speakers, including pole mounts and hanging.

Control Panel and Functions

Indicators and Basic Controls

Explanation of status indicators (Protect, Limiter, Signal, Power), Bluetooth functions, and the front LED disable switch.

Audio Controls

Description of audio adjustment controls including the Low Shelf filter and Bluetooth pairing functions.

Detailed Control Panel Functions

Equalization and Gain Controls

Details on EQ parameters, High Shelf, and Gain controls for Line A, Line B, Bluetooth, and AUX inputs.

Input;Output and Filtering

Explanation of input/output sockets (Line A/MIC, Line B, AUX, Mix Out) and the Low Cut filter.

Power and AC Input

Instructions for operating the power switch and connecting the AC power input.

MA Series Specifications

Performance Specifications

Key performance parameters including frequency response, SPL, driver details, coverage angle, and amplifier output.

Technical Specifications

Details on processor, signal input/output, power input, working voltage, cabinet material, dimensions, and net weight.

Overview

1. Function Description
2. Important Technical Specifications
3. MA12 Model
4. MA15 Model
5. Usage Features
6. Maintenance Features

The MA Series Active Speaker is a portable, active DSP-controlled loudspeaker designed by Audiocenter. It is characterized by its lightweight, integrated design, excellent sound quality, compact size, and stylish industrial aesthetic. This versatility makes it suitable for various touring performances and fixed installations.

Function Description:

The MA Series utilizes advanced BrainCore™ technology, which intelligently analyzes and processes signal input. This technology integrates a Class D amplifier and a DSP module to optimize the overall audio performance of the system. A key feature is the built-in wireless Bluetooth connectivity, allowing for easy pairing with various Bluetooth-enabled devices.

The series offers two full-range speaker models: MA12 and MA15. Both models are designed for excellent sound performance, compact size, modern design, and ease of use. They can function as both PA speakers and stage monitors.

Important Technical Specifications:

MA12 Model:

• Frequency Response (-6dB anechoic chamber): 50Hz-20KHz
• Maximum SPL: 131dB
• LF Driver: Audiocenter customized LF driver, 2.5-inch voice coil
• HF Driver: Audiocenter customized HF driver, 1.4-inch voice coil
• Coverage Angle (symmetrical): 80°x50°
• Amplifier: Class D
• Maximum Output Power: 1600W
• Amplifier Frequency Response: 20Hz-20kHz (±1dB)
• Cooling: Air convection
• Processor: 96KHz signal sampling frequency, 24bit quantization accuracy
• Signal Input: 2x female XLR input (6.35 three core), Bluetooth, 3.5mm three core
• Signal Output: 1x male XLR output
• Power Input: IEC female connector
• Working Voltage: 100V~240V 50Hz/60Hz
• Monitor Angle: Symmetrical 45° monitoring angle
• Pole Mount Gear: 35mm mounting hole
• Cabinet Material: New polypropylene composite material
• Dimensions (WxHxD): 345x610x352mm
• Net Weight: 14.0Kg

MA15 Model:

• Frequency Response (-6dB anechoic chamber): 45Hz-20KHz
• Maximum SPL: 133dB
• LF Driver: Audiocenter customized LF driver, 3-inch voice coil
• HF Driver: Audiocenter customized HF driver, 1.4-inch voice coil
• Coverage Angle (symmetrical): 80°x50°
• Amplifier: Class D
• Maximum Output Power: 1600W
• Amplifier Frequency Response: 20Hz-20kHz (±1dB)
• Cooling: Air convection
• Processor: 96KHz signal sampling frequency, 24bit quantization accuracy
• Signal Input: 2x female XLR input (6.35 three core), Bluetooth, 3.5mm three core
• Signal Output: 1x male XLR output
• Power Input: IEC female connector
• Working Voltage: 100V~240V 50Hz/60Hz
• Monitor Angle: Symmetrical 45° monitoring angle
• Pole Mount Gear: 35mm mounting hole
• Cabinet Material: New polypropylene composite material
• Dimensions (WxHxD): 417x702x426mm
• Net Weight: 17.5Kg

Usage Features:

• DSP-Controlled: The integrated DSP module optimizes audio performance, ensuring clear, delicate, and smooth sound.
• Bluetooth Connectivity: Built-in Bluetooth allows for wireless connection to various devices. The "Bluetooth PAIR" button facilitates pairing with a source device (e.g., mobile phone) or speaker-to-speaker pairing for stereo operation.
• Input/Output Flexibility: Features include balanced XLR and PHONE type multi-purpose input sockets (LINE A/MIC, LINE B), a 3.5mm AUX input, and a balanced XLR MIX OUT socket for integrating signals from all channels.
• Gain Control: Independent GAIN knobs for LINE A/MIC, LINE B, and BLUETOOTH C/D/AUX inputs allow for precise sensitivity adjustment and volume control.
• EQ Parameter Equalizer: Includes a Peaking Filter with a GAIN knob and a FREQ knob (center frequency options: 160Hz, 320Hz, 630Hz, 1KHz, 1.6KHz, 2.5KHz, 4KHz, 6.3KHz, 8KHz).
• High Shelf 10KHz HF Control: A High Shelf Filter with a 10kHz cut-off frequency to reduce or boost high frequencies.
• Low Shelf 100Hz LF Control: A low shelf filter with a 100Hz cut-off frequency to reduce or boost low frequencies.
• LOW CUT 80Hz Switch: Activates a high pass filter at 80Hz, eliminating frequencies lower than 80Hz.
• LINE/MIC Switch: Allows selection between LINE (for high-level signals like instruments) and MIC (for low-level signals like microphones) input levels.
• Front LED Disable Switch: Allows the user to turn off the front panel LED indicator if not needed.
• Protection Indicators:
  • PROTECT indicator: Illuminates when the system detects an abnormality and enters protection mode.
  • LIMITER indicator: Illuminates when the output limiter is activated due to the amplifier's output voltage exceeding the maximum value.
  • SIGNAL indicator: Illuminates when an input signal is detected.
  • POWER indicator: Illuminates when the speaker is connected to power.
• Mounting Options: Multiple installation methods are supported, including pole mount with a three-feet stand and hanging installation. The cabinet features a 35mm mounting hole.
• Cabinet Design: Cabinets are molded from a new polypropylene composite material, making them strong, wear-resistant, and capable of suppressing vibration even under high dynamics.

Maintenance Features:

• Robust Cabinet Construction: The one-piece molded polypropylene composite material ensures durability and wear resistance, contributing to a longer lifespan.
• Protection Mechanisms: The amplifier includes comprehensive protection against DC, short circuit, overheating, input and output overload, soft start, overvoltage, and undervoltage, safeguarding the device from potential damage.
• Universal Power Supply: Supports an AC power input voltage range of 100-240Vac (50/60Hz), requiring only the selection of the correct power cable for different regions.
• No User Serviceable Parts Inside: The warning "NO USER SERVICEABLE PARTS INSIDE" indicates that internal repairs should be handled by qualified technicians, preventing user-induced damage.

Audiocenter MA Series Specifications