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Crest Audio 8002 - User Manual

Crest Audio 8002
42 pages
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owner’s manual
Crest Audio Inc.
100 Eisenhower Dr., Paramus NJ 07652 USA
TEL: 201.909.8700 FAX: 201.909.8744
http://www.crestaudio.com
*A4400076*
v. 1.0 4/29/98
Ch A Ch B
-
80
-
30
-
15
-
10
-
6
-
3
-
1
ØdB
-
80
-
30
-
15
-
10
-
6
-
3
-
1
ØdB
8002
Professional Power Amplifier
Status
Signal
ACL
8002 power amplifier
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Crest Audio 8002 Specifications

General IconGeneral
TypePower Amplifier
Number of Channels2
Input Impedance10 kOhms Unbalanced, 20 kOhms Balanced
Frequency Response20 Hz - 20 kHz
Signal to Noise Ratio100 dB
CoolingVariable speed fan
Dimensions19" x 3.5"

Summary

How to Use This Manual

Manual Conventions and Guidelines

Explains terms, actions, warnings, indicators, and tips used in the manual.

Introduction

Welcome and Product Overview

Congratulates the user and introduces the Pro II Series amplifier's benefits.

Installation

Unpacking

Instructions for inspecting the amplifier after removing it from the shipping carton.

Mounting

Guidelines for rack-mounting the amplifier, including front and rear support.

Cooling and Ventilation

Explains the forced-air cooling system and ventilation requirements for optimal operation.

Powering

Details the voltage configurations for different regions and safe power-up procedures.

Maintenance

Outlines routine maintenance, primarily cleaning fan filters, and internal non-serviceability.

Features Overview

Front Panel Features

Details rack mounting ears, handles, fan outlets, LEDs, attenuators, and power switch.

Rear Panel Features

Covers rear panel connectors, mode selection, inputs, sensitivity, fan ports, and ground-lift switch.

Operation Modes

Stereo Mode

Explains independent channel operation with separate controls and load impedance.

Parallel Mode

Describes amplifying a signal to both outputs using Channel A input and controls.

Bridged Mode

Details strapping channels for a powerful single-channel amplifier with specific wiring cautions.

Connections

Input Connections

Explains using male/female XLR connectors and input sensitivity options.

Output Connections

Covers speaker connections via binding posts and Speakon connectors for different modes.

Safety

User Responsibility

Emphasizes proper installation, wiring, and operation of the amplifier.

Speaker Protection Features

Explains protection against DC voltage, subsonic frequencies, clipping, and thermal issues.

TourClass Protection

Details ACL, IGM, AutoRamp, Thermal, Short Circuit, DC Voltage, and Subsonic protection.

Service and Support

Obtaining Service Support

Guides on how to get service, contacting centers, distributors, or the factory.

Contact Information

Provides phone, fax, email, and mailing addresses for customer and technical support.

Specifications

Technical Specifications

Lists detailed technical parameters like power, frequency response, impedance, and connectors.

Block Diagram

Signal Flow and Channel Architecture

Illustrates the signal path through preamp, attenuator, and output stage for channels A and B.

Wire Gauge Charts

Wire Gauge for Cable Lengths (Meters)

Provides tables showing wire gauge, load resistance, and power loss for various cable lengths in meters.

Wire Gauge for Cable Lengths (Feet)

Provides tables showing wire gauge, load resistance, and power loss for various cable lengths in feet.

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