Executive Audio ALPHA Series User Manual

Amplificateurs professionnels à alimentation à
découpage
SERIE ALPHA
MANUEL D’UTILISATION
Nous vous recommandons de lire attentivement le manuel avant toute utilisation.
1
TABLE DES MATIERES
1. Instructions de sécurité
2. Caractéristiques générales de l’appareil
3. Recommandations générales
4. Face AVANT
5. Face ARRIERE
6. Branchements (signal d’entrée)
7. Branchements (signal de sortie)
8. Fonctionnement de l’appareil
9. Entretien de l’appareil
10. Dépannage de l’appareil
11. Spécifications techniques

Executive Audio ALPHA Series Specifications

General

Weight	12kg
Channels	2
Frequency Response	20Hz - 20kHz ±0.5dB
Input Impedance	47kΩ
Power Supply	AC 120V/60Hz or 230V/50Hz

Summary

Safety Instructions and Main Features

Main Features

Highlights key features of the professional power amplifiers.

Precaution

Important safety precautions to follow before installing and operating the amplifier.

Front Panel Overview

Details the controls and LED indicators found on the amplifier's front panel.

Rear Panel and Connectivity

Ventilation Slot Panel

Information on the removable ventilation slot panel for cleaning.

Low Cut Function

Describes the 75Hz-24Db/Oct Low cut function, which is optional.

Mode Switch

Explains how to select between Stereo, Bridge, or Parallel operating modes.

Input Sensitivity Selector

Details how to select input sensitivity (0.775V, 1.0V, or 1.44V).

Ground Lift Selector

Explains how to use the Ground/Lift switch to eliminate hum noises from ground loops.

Input and Output Connectors

Details XLR, Phone, and Speakon connectors for input and output.

Signal Connections and General Operation

Unbalanced Wiring

Explains unbalanced signal input using a 1/4 inch mono jack for CHA and CHB.

XLR Input and Link

Details XLR female connectors for input and daisy-chaining signals between amplifiers.

Stereo Mode Output

Describes using Speakon connectors for signal output in Stereo mode for CHA and CHB.

Bridge Mode Output

Details Speakon connector usage for signal output in Bridge mode.

Parallel Mode Output

Explains Speakon connector usage for signal output in Parallel mode.

General Operation Procedures

Provides a step-by-step guide for general amplifier operation procedures.

Mode Operation Procedures

Details specific operation steps for Stereo, Bridge, and Parallel modes.

Maintenance and Specifications

Maintenance

Guidelines for cleaning the unit and ventilation slots to maintain performance.

Troubleshooting

Lists common problems, their causes, and suggested remedies.

Specifications

Technical specifications for ALPHA series amplifier models.