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Crown 800CSL - User Manual

Crown 800CSL
36 pages
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Power Base-2 & 800CSL Amplifier Service Manual
1
POWER BASE-2
®
& 800CSL
POWER AMPLIFIER
SERVICE MANUAL
K-SVCPB2
1-95
CSL
is a trademark and Power Base-2,
®
ODEP,
®
and Crown
®
are registered trademarks of Crown International, Inc.
Mailing Address:
P.O. Box 1000
Elkhart, IN U.S.A. 46515-1000
Shipping Address:
57620 C.R. 105
Elkhart, IN U.S.A. 46517
©1995 by CROWN INTERNATIONAL, INC.
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Crown 800CSL Specifications

General IconGeneral
Channels2
Power Output at 4Ω800W
8 Ohms Per Channel200W
Frequency Response20Hz - 20kHz
Total Harmonic Distortion< 0.05%
Input Sensitivity1.4V
Signal-to-Noise Ratio>100 dB
Damping Factor>200
Dimensions19" x 3.5" x 15.2" (48.3 cm x 8.9 cm x 38.6 cm)
Weight38 lbs (17.2 kg)
Voltage120V
Input Impedance20kΩ

Summary

Introduction

Scope and Warranty

Describes the manual's content and warranty policies.

Parts Information

Part Numbering and Ordering

Explains part numbering systems, types, and how to order.

Specifications

Power and Performance Metrics

Details power ratings, AC mains, performance, and protection systems.

Voltage Conversion

Theory of Operation

Overview, Features, and Front End

Covers general amplifier overview, key features, and input signal processing.

Error Amp and Voltage Amplification

Describes the error amp, voltage translators, and last voltage amplifiers.

Grounded Bridge Topology

Explains the unique grounded bridge output stage design and its operation.

Output Device Emulation Protection (ODEP)

Details the ODEP protection circuitry and its function.

Checkout Procedures

Test Setup and Initial Conditions

Covers general information, initial conditions, and basic tests like DC offset.

DC Offset and Bias Adjustment

Procedures for measuring DC offset and adjusting output bias.

ODEP Voltage Adjustment

Procedure for ODEP voltage calibration.

Power Draw, Signal, and Gain Tests

Covers AC power draw, CMR, voltage gain, phase response, level controls, and crosstalk tests.

Output Power and Load Tests

Covers current limit, slew rate, output power, and reactive loads tests.

Protection and Transient Tests

Covers ODEP limiting, LF protection, signal-to-noise, and transient tests.

Distortion and Clipping Tests

Covers intermodulation distortion and clipping tests.

Post-Testing Control Settings

Describes returning amplifier controls to factory default settings after testing.

Mechanical (Non-Module) Parts

Supplemental and NA-Specific Parts

Lists supplemental items and parts specific to North American voltage.

Assembly Specific Parts Lists

Lists parts for fanformer, filter capacitor, fuse board, and LED assemblies.

Output and Back Panel Assembly Parts

Lists components for the output assembly and back panel.

Chassis Front Assembly Parts

Lists components for the front chassis assembly.

Main Chassis Assembly Parts

Lists hardware and components for the main chassis assembly.

Module Information

Module History and Types

Provides historical context and lists output and main module types.

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