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Avionixx AXA 740 - User Manual

Avionixx AXA 740
16 pages
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AXA 740
AXA 850M
AXD 2200M
AXD 3000M
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Summary

Welcome and Product Information

Company Message

Congratulatory message on purchasing the AX Series amplifier, highlighting design and materials.

Product Description

Details AX Series amplifiers, their compatibility, power, and installation requirements.

Safe Listening and Operation Guidelines

Practice Safe Sound

Warning about high sound pressure levels and potential hearing loss from prolonged exposure.

Sound Pressure Examples

Examples of decibel levels for common sounds to illustrate safe listening practices.

Operational Recommendations

Advice on reading, following instructions, and retaining the manual for future reference.

Warranty Information

Warranty Service and Terms

Details the one-year warranty, registration, and service contact procedures.

Installation and Use

Amplifier Mounting

Step-by-step guide for mounting the amplifier, including location selection and safety checks.

Installation - Power Connections

Power Cable and Fuse Installation

Specifies wire gauges for power/ground cables and installing an in-line fuse holder for protection.

Remote Turn-On and Ground Connections

Guidance on connecting the remote turn-on wire and establishing a secure ground connection.

Main Power Connection

Steps for connecting the main power cable to the amplifier's +12V terminal.

Installation - Speaker Connection

Speaker Wire Preparation

Instructions for running, stripping, and tinning speaker wires for secure connections.

AXA 740 Speaker Terminals (4 Channel)

Diagram and notes for connecting speakers to the AXA 740 in a 4-channel configuration.

Speaker Connection Configurations

3 Channel System Configuration

Instructions for bridging rear channels to create a 3-channel amplifier setup.

2 Channel Bridged System Configuration

Instructions for bridging front and rear channels to create a 2-channel amplifier setup.

Amplifier Speaker Terminals

AXA 850 M Mono Channel Operation

Diagram for mono channel speaker connections for the AXA 850M, noting impedance.

AXD 2200 M;3000 M Mono Channel Operation

Diagram for mono channel speaker connections for AXD 2200M/3000M, noting impedance.

RCA Jack Connections

Guidance on running and connecting RCA cables for audio input/output.

AX Series Input Connects

RCA Input Jack Configurations

Diagrams showing RCA connections for single and bi-amplified systems.

Final Connection Check

Instruction to recheck all connections before reconnecting battery and inserting fuse.

Operation - Controls and Indicators

Input Level Adjustments (Gain)

How to adjust the input level using the GAIN control for optimal performance.

Built-in Crossovers (AXA 740)

Explanation of crossover selection (FULL, LPF, HPF) and frequency adjustment on the AXA 740.

Protection Circuits and LED Indicators

Description of POWER and PROTECT LEDs, and thermal/overload protection mechanisms.

Amplifier Accessory (Remote Control)

Information on the remote control module available for certain AX Series models.

AXA 740 - Terminals, Controls, and Indicators

Front Panel Controls and Jacks

Identification and function of front panel controls like Frequency, Gain, Crossover, Bass Boost, and RCA jacks.

Rear Panel Terminals and Indicators

Identification of rear panel components: FUSE, Power Terminals (+12V, REM, GND), and Speaker Terminals.

AX 850 M, AXD 2200 M, AXD 3000 M - Terminals, Controls, and Indicators

Front Panel Controls and Jacks

Identification and function of front panel controls like RCA, Remote, Gain, Subsonic, Low Pass, Bass Boost, Phase Shift.

Rear Panel Terminals and Indicators

Identification of rear panel components: FUSE, Power Terminals (+12V, REM, GND), and Speaker Terminals.

Troubleshooting

Amplifier Not Turning On

Possible causes and solutions for the amplifier not powering up (e.g., remote connection, fuse).

Amplifier Shut Down

Causes and solutions for amplifier shutdown (e.g., thermal, overload, short circuit protection).

Audio Output Issues

Troubleshooting low output, distortion, poor bass response, and noise issues.

Specifications

Power Output and Impedance Ratings

Detailed specifications for RMS power output at various impedances and bridged configurations.

Performance and Electrical Specifications

Signal to noise ratio, damping factor, frequency response, input sensitivity, and impedance.

Crossover and Feature Specifications

High pass, low pass frequencies, dynamic bass boost, bass EQ frequency, and phase shift capabilities.

Avionixx AXA 740 Specifications

General IconGeneral
Channels4
Frequency response10 Hz - 40 kHz
Signal-to-noise ratio> 90 dB
THD< 0.05 %
Input sensitivity200mV - 4V
Signal to Noise Ratio> 90 dB
Lowpass filter50Hz - 250Hz
Fuse25 A

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