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Chevin Research A750 - User Manual

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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
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Summary

Installation Guide

Box Contents

Details the items included in the amplifier carton, such as Speakon plugs and warranty card.

Positioning Recommendations

Provides guidance on amplifier placement for proper ventilation and rack mounting.

Power Wiring and Mains Supply

Covers earthing, power cable specifications, and safe mains supply connections.

Power and Input Configuration

Three Phase System Considerations

Discusses neutral current balance and capacity for three-phase power systems.

General Input Information

Explains that inputs are electronically balanced and accept various sources.

Balanced and Unbalanced Source Inputs

Details wiring for balanced and unbalanced signals using XLR and other connectors.

Line250;500 Model Input Details

Specifics on using block connectors for Line250 and Line500 model inputs.

Mono Bridging Overview

Introduces the concept of bridging amplifier channels for increased power output.

Amplifier Output Connections

A700 v Output Wiring

Specific Speakon wiring for the A700v model, noting its permanent bridge mode.

A500-Q900 Output Wiring

Details Speakon wiring for A500, A750, A1000, A1004, A1500, A2000, A3000, A4000, A5003, Q900 models.

A5000;A6000 Output Wiring

Wiring specifications for A5000 and A6000 models, noting their permanent bridge mode.

Q6;Q1004 Output Wiring

Speakon wiring for Q6 and Q1004 models, connecting parallel channels.

QB1000;600 Output Wiring

Wiring details for QB1000/600 model outputs, connecting parallel channels.

Line250;500 Output Wiring

Instructions for connecting loads to connector blocks on Line250/500 models.

Speaker Load Specifications

Speaker Power Ratings Chart

A table listing suggested speaker ratings in watts for various amplifier models.

A700 v Impedance Limitations

Specifies the minimum system impedance for the A700v amplifier.

A500-QB1000;600 Impedance Limits

Defines minimum total impedance per channel for A500, A750, A1000, A1004, A1500, Q6, Q1004, QB1000/600.

A2000-Q900 Impedance Limits

Specifies minimum total impedance per channel for A2000, A3000, A4000, A5000, A5003, A6000, Q900.

Mono Bridging Operation

Mono Bridging Input Wiring

Detailed wiring instructions for connecting sources to amplifier inputs for mono bridging.

Mono Bridging Output Wiring

Instructions for connecting speakers to amplifier outputs in mono bridge mode.

Mono Bridging Gain Control

Guidance on setting gain controls for bridged channels to ensure equal load sharing.

Bridging Loading Reference

Points to the rear page for mono bridge loading and power output values.

Operation and Servicing Procedures

Switching On and Off Procedures

Step-by-step instructions for powering the amplifier on and off safely.

Amplifier Protection Systems

Describes various protection mechanisms like AutoMute, shorted output, and clipping.

Servicing and Safety Guidelines

Emphasizes referring servicing to authorized dealers and outlines safety precautions.

Front Panel Diagrams

A500 Front Panel Layout

Illustration of the front panel controls and indicators for the A500 model.

A700 v Front Panel Layout

Diagram showing the front panel components of the A700v amplifier.

Q1004;QB1000;600 Front Panels

Illustrations of the front panels for Q1004 and QB1000/600 models.

Rear Panel Diagrams

A500 Rear Panel Layout

Diagram of the rear panel connections, including inputs, outputs, and fuse for the A500.

A700 v Rear Panel Layout

Illustration of the rear panel connections for the A700v amplifier.

Q1004;QB1000;600 Rear Panels

Diagrams showing rear panel connections for Q1004 and QB1000/600 models.

Additional Front Panel Diagrams

A750-A3000 Front Panels

Illustrations of front panel layouts for A750, A1000, A1004, A1500, A2000, A3000.

A4000;A5003 Front Panels

Diagrams of the front panels for A4000 and A5003 amplifier models.

A5000;A6000 Front Panels

Illustrations of the front panels for A5000 and A6000 amplifier models.

Additional Rear Panel Diagrams

A750-A3000 Rear Panels

Diagrams of rear panel connections for A750, A1000, A1004, A1500, A2000, A3000.

A4000;A5003 Rear Panels

Illustrations of rear panel connections for A4000 and A5003 models.

A5000;A6000 Rear Panels

Diagrams of rear panel connections for A5000 and A6000 models.

More Front Panel Layouts

Q6 Front Panel Layout

Illustration of the front panel controls for the Q6 amplifier.

Q900 Front Panel Layout

Diagram showing the front panel components of the Q900 amplifier.

Line250;500 Front Panels

Illustrations of the front panels for Line250 and Line500 line amplifiers.

More Rear Panel Layouts

Q6 Rear Panel Layout

Diagram of the rear panel connections for the Q6 amplifier.

Q900 Rear Panel Layout

Illustrations of rear panel connections for the Q900 amplifier.

Line250;500 Rear Panels

Diagrams showing rear panel connections for Line250 and Line500 models.

Comprehensive General Specifications

Model Specifications Table (Part 1)

Table detailing power, bandwidth, slew rate, gain, and THD for various models.

More General Specifications

Model Specifications Table (Part 2)

Table detailing signal-to-noise, crosstalk, impedance, sensitivity, power consumption, and dimensions.

Warranty Information

Mono Bridge Loading and Power Output

Table listing minimum load and power output for models in mono bridge mode.

Product Warranty Terms

Details Chevin's 24-month warranty, restrictions, and return procedures.

Chevin Research A750 Specifications

General IconGeneral
BrandChevin Research
ModelA750
CategoryAmplifier
LanguageEnglish

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