Chevin Research A3000 - User Manual

Installation.................................................. 2
Box contents, positioning & power................ 2
Inputs ........................................................... 3
Outputs ........................................................ 4
Speaker power ratings .................................. 5
Speaker impedances ..................................... 5
Mono bridge mode....................................... 6
Bridge input & output wiring ........................ 6
Operation ................................................... 7
Protection systems ........................................ 7
Servicing.......................................................7
Front & rear panels ....................................... 8
Specications.............................................. 14
Warranty & mono bridge loadings .............. 16
CONTENTS
USER MANUAL
for
PROFESSIONAL POWER AMPLIFIERS:
A500
•
A700v
•
A750
•
A1000
•
A1004
•
A1500
•
A2000
•
A3000
•
A4000
A5000
•
A5003
•
A6000
•
Q6
•
Q900
•
Q1004
•
QB1000/600
•
Line250
•
Line500

Summary

Installation

Box Contents and Accessories

Lists items included in the amplifier carton, such as Neutrik Speakon plugs and warranty cards.

Amplifier Placement and Ventilation

Provides guidance on amplifier placement, emphasizing ventilation and rack mounting considerations.

Mains Power Wiring Guide

Details mains supply wiring, earthing, and cable colour coding for European standards.

Mains Supply Voltage and Safety

Covers power rating requirements, voltage selection, and safety hazards related to the mains supply.

Input Connectivity

Connecting Balanced Audio Sources

Explains how to connect balanced audio sources using shielded XLR cables and pin configurations.

Connecting Unbalanced Audio Sources

Details connecting unbalanced sources using XLR, jack, or phono plugs and wiring conventions.

Line250;500 Series Input Methods

Specifies input connections for Line250/Line500 models using block connectors instead of XLRs.

Output Configuration

Speakon Speaker Output Wiring

Details wiring for Speakon outputs across various Chevin amplifier models (A700v, A500, A750, etc.).

Line Amplifier Output Options

Specifies output connections for Line250/Line500 models using terminal blocks for 70V/100V lines.

Speaker Load Management

Amplifier Speaker Power Ratings

Presents a table of suggested speaker ratings (watts) for various amplifier models across different impedances.

Minimum Speaker Impedance Guidelines

Provides warnings and guidelines on correct speaker loading and minimum impedance for different amplifier series.

Mono Bridge Operation

Mono Bridge Input Signal Wiring

Details input wiring procedures for mono bridging on specific Chevin amplifier models (A500, Q6, Q1004, etc.).

Mono Bridge Speaker Output Wiring

Explains speaker cable connections for mono bridging on models like A500, Q6, and Q1004.

Optimizing Gain for Bridged Mode

Guides on setting gain controls for mono bridging and managing gain from elsewhere in the system.

Amplifier Operation and Servicing

Powering the Amplifier On and Off

Step-by-step instructions for powering on and off the amplifier, including indicator lights and safety.

Understanding Protection Systems

Details the amplifier's built-in protection mechanisms against shorted outputs, low impedance, clipping, and RF/DC signals.

Servicing and Safety Precautions

Provides critical warnings regarding internal maintenance, advising referral to authorised Chevin dealers and safety precautions.

General Specifications

Amplifier Technical Data and Ratings

Provides detailed technical specifications for various Chevin amplifier models, covering power, bandwidth, distortion, and impedance.

Mono Bridge Loading and Power

Mono Bridge Load and Output Values

Lists minimum load and power output values for various models when operating in mono bridge mode.

Warranty and Support Information

Product Warranty Terms and Conditions

Outlines the product warranty terms, coverage, restrictions, and procedure for service claims.

Chevin Research A3000 Specifications