Infinity 1211a - User Manual

Thank you for purchasing a Reference Series amplifier.
In order that we may better serve you should you require warranty
service for your new amplifier, please retain your original purchase
receipt and read the enclosed warranty information card.
reference series
311a,611a,
1211a,7521a,
7541a,5761a
instructions

Summary

Reference Series Instructions

Introduction

Installation Warnings and Tips

Essential safety precautions and tips for installing the amplifier.

Mounting and Connections

Location and Mounting

Guidance on choosing a suitable location and mounting the amplifier securely.

Electrical Connections Guide

Details on power, ground, remote, speaker, and high-level connections.

Applications - 311 a, 611 a and 1211 a

Woofer Configurations

Diagrams for connecting one or two subwoofers for these amplifier models.

Applications - 7521 a

Operation Modes

Setup diagrams for stereo and bridged-mono operation of the 7521a amplifier.

Applications - 7541 a

Configuration Options

Setup diagrams for 4-channel stereo, 3-channel, and bridged 2-channel modes.

Applications - 5761 a

Channel Configuration Modes

Diagrams for 6-channel, 5-channel, and 3-channel operation of the 5761a amplifier.

Installation and Setup

Crossover and Mode Settings

How to adjust crossover frequency, mode, and input sensitivity for optimal sound.

Control Features

Information on optional remote control, bass boost, and auxiliary outputs.

Installation and Setup (Cont.)

Dynamic Bass Optimizer and Status

Using DBO for bass enhancement and understanding amplifier status LEDs.

Troubleshooting

Audio Issues

Diagnosing and resolving common audio problems and LED indicators.

Sound Quality Issues

Addressing distorted audio and issues with music sounding weak or lacking impact.

Specifications

Model Specifications

Detailed technical specifications for all Reference Series amplifier models.

Infinity 1211a Specifications

General

Brand	Infinity
Model	1211a
Category	Amplifier
Language	English