Alesis CLX440 User Manual

CLX-440 Reference Manual 1
Compressor / Limiter / Expander
Reference
Manual
2001

Alesis CLX440 Specifications

General

Brand	Alesis
Model	CLX440
Category	Recording Equipment
Language	English

Summary

Important Safety Instructions

Chapter 1 Quick Start Guide

Step 1 Hook it up to a mixer

Step 2 Try some compression

Step 3 Try some gating

Chapter 2 Connections

Connecting Inputs and Outputs

Chapter 3 Basics of Compression

What is Compression

Explanation of the fundamental principles and purpose of audio compression.

Description of Compressor Controls

Detailed explanation of each control knob for the CLX-440's compressor section.

Threshold Control

Defines the signal level at which compression begins to take effect.

Ratio Control

Determines the amount of gain reduction applied once the threshold is crossed.

Knee Control

Limiting Function

Explanation of limiting as high-ratio compression and its use for peak control.

Chapter 4 Basics of Expansion

What is Expansion

Explanation of the expansion process, its inverse relationship to compression.

Description of Expander Controls

Detailed explanation of each control knob for the CLX-440's expander section.

Expander Threshold Control

Sets the signal level below which expansion or gating begins.

Expander Ratio Control

Determines the amount of attenuation applied when the signal falls below the threshold.

Expander Release Control

Keyed Expansion

Chapter 5 Applications

Compressor Applications

Vocal Limiting Application

Ducking Application

Expander Applications

Chapter 6 Troubleshooting

Troubleshooting Index

A quick reference table for identifying and resolving common operational problems with the CLX-440.

Avoiding Ground Loop Noise

Obtaining Repair Service

Specifications

Audio Input Specifications

Audio Output Specifications

Alesis Limited Warranty