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Chevin Research Q900 - 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 and Initial Setup

Lists items included in the amplifier carton, detailing Speakon plugs per model.

Amplifier Placement and Ventilation

Provides guidance on amplifier ventilation and rack mounting requirements.

Mains Power Wiring

Details wiring requirements for mains supply, including earthing and cable colours.

Audio Input Connections

Balanced Audio Signal Input

Explains XLR connector wiring for balanced audio signals.

Unbalanced Audio Signal Input

Details wiring for unbalanced audio signals using XLR, jack, or phono connectors.

Line250;Line500 Input Wiring

Describes input connections for Line250 and Line500 using block connectors.

Mono Bridging Configuration

Mono Bridging Setup

Explains how to bridge amplifier channels for increased power output, excluding certain models.

Speaker Output Connections

A700 v Output Wiring

Details Speakon socket wiring for the A700v model, noting permanent bridge mode.

Standard Model Output Wiring

Describes parallel-connected Speakon socket wiring for various models.

A5000;A6000 Output Wiring

Details Speakon socket wiring for A5000/A6000, noting permanent bridge mode.

Q6;Q1004 Output Wiring

Explains Speakon socket wiring for Q6/Q1004, parallel connected in channel pairs.

QB1000;600 Output Wiring

Details Speakon socket wiring for QB1000/600, parallel connected in channel pairs.

Line250;Line500 Output Wiring

Describes output connections for Line250/Line500 using connector blocks for 70V/100V lines.

Speaker Load Specifications

Recommended Speaker Power Ratings

Suggests speaker ratings per amplifier channel in watts for various models and impedances.

Amplifier Impedance Loadings

Lists correct impedance loadings for all models, with warnings for minimum loads.

Mono Bridging Operation Details

Mono Bridging Input Wiring

Details the input wiring for mono bridging for specific amplifier models (A500, Q6, Q1004, A750-Q900).

Mono Bridging Output Wiring

Describes the speaker cable connections for mono bridging for specific amplifier models (A500-Q900, Q6, Q1004).

Gain Control for Bridged Operation

Explains setting gain controls for balanced load sharing in bridged mode.

Amplifier Operation and Servicing

Amplifier Power On Procedure

Guides the user through the procedure for powering up the amplifier safely.

Amplifier Power Off Procedure

Instructs on the safe procedure for powering down the amplifier and disconnecting mains.

Protection System Features

Explains various protection features like AutoMute, shorted output, low impedance, clipping, RF/DC, and cooling.

Servicing and Safety Precautions

Provides critical safety warnings and procedures regarding internal maintenance and potential hazards.

Front Panel Layouts

A500 Front Panel

Illustrates the front panel of the A500 amplifier, highlighting controls and indicators.

A700 v Front Panel

Shows the front panel layout for the A700v amplifier, including controls and indicators.

Q1004 and QB1000;600 Front Panels

Displays the front panels for Q1004 and QB1000/600, detailing controls and indicators.

Rear Panel Connectivity

A500 Rear Panel Connectors

Details the rear panel connectors for the A500 amplifier, including input, output, and mains.

A700 v Rear Panel Layout

Shows the rear panel layout for the A700v, illustrating input, output, fuse, and mains connections.

Q1004;QB1000;600 Rear Panel

Illustrates rear panels for Q1004 and QB1000/600, showing inputs, outputs, and fuses.

Additional Amplifier Front Panels

A750-A3000 Front Panels

Depicts front panels and controls for these amplifier models.

A4000;A5003 Front Panels

Illustrates the front panels for A4000 and A5003 amplifiers, showing controls and indicators.

A5000;A6000 Front Panels

Shows front panels for A5000/A6000, focusing on power, signal, limiter indicators, and switches.

Additional Amplifier Rear Panels

A750-A3000 Rear Panel Details

Details rear panel connections including input, output, link, and fuse for these models.

A4000;A5003 Rear Panel Details

Illustrates rear panel connections for A4000/A5003, showing input, output, link, and fuse.

A5000;A6000 Rear Panel Details

Shows rear panel connectivity for A5000/A6000, including inputs, outputs, and fuses.

More Front Panel Layouts

Q6 Front Panel

Displays the front panel of the Q6 amplifier, highlighting controls and indicators.

Q900 Front Panel

Shows the front panel for the Q900 amplifier, detailing gain controls and switches.

Line250;Line500 Front Panels

Illustrates the front panel for Line250/Line500 stereo line amplifiers.

More Rear Panel Connections

Q6 Rear Panel Connectors

Details rear panel connections for the Q6 amplifier, including inputs and outputs.

Q900 Rear Panel Connectors

Shows rear panel connectivity for the Q900 amplifier, including inputs and outputs.

Line250;Line500 Rear Panel Connectors

Illustrates rear panel connector blocks for Line250/Line500 amplifiers.

General Amplifier Specifications

Power Output and Bandwidth

Lists RMS power output into various impedances and the power bandwidth for each model.

Distortion, Noise, and Crosstalk

Provides data on total harmonic distortion, signal-to-noise ratio, and crosstalk.

Input Sensitivity and Impedance

Details input impedance, common mode rejection, and input sensitivity for models.

Protection and Power Consumption

Outlines protection features, power consumption, and voltage selection for amplifiers.

Dimensions and Weight

Lists rack unit size, physical dimensions, gross, and net weight for each amplifier.

More General Specifications

Advanced Power and Performance Specs

Details power output, bandwidth, slew rate, gain, distortion, and noise for various models.

Input and Protection Specifications

Lists input impedance, CMR, sensitivity, clipping, and output protection details.

Power Consumption and Dimensions

Covers power consumption, AC input voltages, and physical dimensions/weight for models.

Warranty Information

Mono Bridge Loading and Power Outputs

Provides mono bridge loading requirements and corresponding power output values for each model.

Product Warranty Terms

Details the 24-month warranty, restrictions, claim procedures, and registration process.

Contact and Legal Information

Lists Chevin Research contact details, website, and disclaimer regarding manual accuracy.

Chevin Research Q900 Specifications

General IconGeneral
BrandChevin Research
ModelQ900
CategoryAmplifier
LanguageEnglish

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