Crown D Series User Manual

Operation Manual
D-45
Obtaining Other Language Versions: To obtain information in another language about the use of this product, please contact your
local Crown Distributor. If you need assistance locating your local distributor, please contact Crown at 574-294-8000.
This manual does not include all of the details of design, production, or variations of the equipment. Nor does it cover every possible
situation which may arise during installation, operation or maintenance.
The information provided in this manual was deemed accurate as of the publication date. However, updates to this information may have
occurred. To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com.
Trademark Notice: Crown, Crown Audio, Amcron and IOC are registered trademarks of Crown International. Other trademarks are the
property of their respective owners.
Some models may be exported under the name Amcron.
®
©2007 by Crown Audio
®
Inc., 1718 W. Mishawaka Rd., Elkhart, Indiana 46517-9439 U.S.A. Telephone: 574-294-8000
125243-10
10/07
D Series
D-75A
SIGNAL
IOC
CHANNEL 1 CHANNEL 2
HEADPHONES POWER
OFF ON
LEVEL
30
50
40
0
10
20
LEVEL
30
50
40
0
10
20

Crown D Series Specifications

General

Brand	Crown
Model	D Series
Category	Amplifier
Language	English

Summary

Important Safety Instructions

General Safety Precautions

Essential safety precautions for operating the amplifier.

Electrical Safety Warnings

Warnings about electrical hazards like shock and opening the unit.

Magnetic Field Considerations

Caution regarding the amplifier's magnetic field impacting sensitive equipment.

FCC Compliance Statement

Information regarding the device's compliance with FCC regulations.

Declaration of Conformity

Welcome and Product Overview

Key Amplifier Features

Highlights the main features and technology of the D Series amplifiers.

How to Use This Manual

Guidance on navigating and utilizing the operation manual effectively.

Setup

Unpacking and Installation

Steps for unpacking, inspecting, and installing the amplifier.

Input and Output Wiring

Guidance on selecting and connecting input and output wires and connectors.

System Wiring Modes

Instructions for Dual Mode and Bridge-Mono Mode wiring configurations.

AC Mains Connection

Procedures for connecting to AC power and voltage configuration.

Startup Procedure

Step-by-step process for safely powering on the amplifier.

Operation

Operating Precautions

Essential precautions for safe and effective amplifier operation.

Controls and Indicators

Identification and explanation of front panel controls, indicators, and connectors.

Indicator Light Functions

Explains the meaning and behavior of the amplifier's indicator lights.

Level Controls and Power Switch

Details on using the level controls and power switch for operation.

Fuse Replacement

Step-by-step guide for safely replacing the AC mains fuse.

Advanced Features and Options

Amplifier Protection

Overview of the amplifier's protection circuits against various hazards.

Bridge-Mono and Sensitivity Options

Information on optional bridge-mono configuration and input sensitivity adjustments.

Troubleshooting

Specifications

Service

International and Canada Service

How to obtain service outside the US.

US Service Options

Methods for service within the US (service centers or factory).

Factory Service Shipping Instructions

Guidelines for shipping units to the Crown factory for repair.

Packing and Shipping Advice

Recommendations for safely packing the amplifier for shipment.

Service Estimate and Payment

Policies on estimate approval and payment for non-warranty repairs.

Warranty

Product Registration

Crown Audio Factory Service Information