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Alpine 3547 User Manual

Alpine 3547
26 pages
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LL
N_PINE.
304
SERVICE
MANUAL
Bridgeable
Power
Amplifier
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Alpine 3547 Specifications

General IconGeneral
Frequency Response10Hz - 50kHz
THD at RMS Output0.08%
RMS Power at 4 Ohms50 Watts x 4
RMS Power at 2 Ohms75 Watts x 4
Bridged RMS Power150 Watts x 2
Input Voltage14.4V
Input Sensitivity0.2V - 4V

Summary

Specifications

Features

Versatile Operation Modes

Combines Multimode and Channel Operations for flexible system configuration.

Advanced Circuitry

Details Duo-Beta, No Current Limiting, and STAR Circuitry for enhanced performance.

Built-in Crossover Network

Features an 80 Hz electronic crossover for subwoofer or tweeter/midrange integration.

Input Mode Selector

Switch to select input signal type (Stereo, Mono, or summed Mono).

DC-DC Switching Power Supply

Efficient power supply for excellent output throughout the audio bandwidth.

Robust Construction

Features glass-epoxy boards and high-current bus-bars.

Adjustable Input Gain

Allows matching amplifier gain to various preamp output levels.

High Performance Output and Terminals

Combines discrete output circuitry and gold-plated terminals.

High-Quality Components

Uses high-quality components for superior audio performance and consistency.

Stable Input Stages

Ensures stable and low-noise operation through regulated input stages.

Quality Signal Input

Provides accurate signal transmission with minimal loss via gold-plated RCA connectors.

Power Supply Filtering

Filters power supply for RFI immunity and system noise reduction.

Switches and Terminals

Input and Mode Controls

Covers Input Gain, Active Dividing Network, and Input Mode selector switches.

Connectivity Terminals

Identifies RCA inputs, Speaker outputs, Fuse, Battery, Remote, and Ground terminals.

Connections

Signal and Speaker Connections

Details RCA input and speaker output terminal connections.

Power and Control Wiring

Explains battery, remote turn-on, and ground lead wiring.

Advanced Input Interfacing

Guides on connecting units without pre-amp outputs and specific switch settings.

Switch Settings

Crossover and Status Controls

Explains the Active Dividing Network and Status Monitor switch/indicator.

Characteristic Curves

Performance Graphs

Presents Power vs. Distortion and Frequency Response curves.

Troubleshooting

Common Issues and Solutions

Analyzes symptoms, causes, and remedies for operational problems.

Special Features

Integrated Audio Enhancements

Covers Active Dividing Network, Duo-Beta, and STAR circuits.

System Configuration Options

Details Input Mode Selector and Power Protection Circuitry.

Part Identification

Control and Indicator Identification

Locates adjustment controls and status indicators.

Terminal Identification

Identifies various input, output, power, and ground terminals.

Connections and Operation

Switch and Control Operation

Guides on setting input modes, crossover, and gain controls.

Indicator Functionality

Explains the behavior of the power/protection indicator.

Block Diagram

Parts Layout on P.C.Boards and Wiring Diagram

Schematic Diagram

Electrical Parts List

Electrical Parts List (Miscellaneous)

Cabinet Assembly Parts List

Exploded View (Cabinet)

Packing Assembly Parts List

Semi-Conductor Lead Identifications

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