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Soundstream Reference 414s User Manual

Soundstream Reference 414s
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REFERENCE
414s
644s
4/3/2
Channel
Power Amplifiers
OWNER’S MANUAL
AND
INSTALLATION GUIDE
SOUNDSTREAM
_
TECHNOLOGIES
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Soundstream Reference 414s Specifications

General IconGeneral
BrandSoundstream
ModelReference 414s
CategoryAmplifier
LanguageEnglish

Summary

Design Features

Construction and Power Management

Details on circuit board, power supply design, and thermal management.

Performance Enhancements

Features like Class A stages, Drive Delay, and low impedance drive capabilities.

Input and Connectivity Options

Covers input sensitivity, balanced/unbalanced inputs, and AIRBASS™ upgrade.

Protection and Monitoring Systems

Smart Thermal Rollback™ and Fault Monitor LED functionality.

Installation Step 1: Mono/Stereo Modes

Coherent Stereo™ Mode

For identical left and right stereo channels, maximizing fidelity for satellite speakers.

Mixed-Mono Mode

For driving stereo and mono simultaneously, useful for center channels.

Bridged Mono Mode

For dedicated single channel operation, ideal for subwoofers or high power needs.

Installation Step 2: Input Types

Unbalanced RCA Input Advantages

Standard preamplifier outputs, no interface module needed.

Balanced Input Advantages

Improved S/N ratio, excellent noise cancellation, immune to radiated noise.

Using Unbalanced RCA Input

Configuration guidance for RCA inputs, including noise troubleshooting.

Using Balanced RCA Input

Guidance for 6-pin DIN balanced input, including level settings.

Installation Step 3: Wiring

Power and Ground Cable Requirements

Specifies gauge requirements for power and ground cables based on model and length.

Preventing Spark on Initial Connection

Procedure to charge the capacitor bank without a spark using a resistor.

External Fusing and Circuit Breakers

Requirement for fusing near the battery to prevent fire hazards.

Installation Step 4: Mounting

Amplifier Location Considerations

Choosing a secure location with adequate ventilation for optimal operation.

Switch Settings Before Mounting

Setting Coherent Stereo/Mixed-Mono/Bridged Mono and crossover switches.

Wiring and Power Up Procedures

Connecting audio, remote, power, and ground, followed by the power-up sequence.

Installation Step 5: Level Setting

Level Setting for Reference414s

Procedure for adjusting input levels for optimal output and balance.

Level Setting for Reference644s

Procedure for adjusting input levels, including sensitivity switch use.

Clipping Indicators and Subwoofer Level

Using clipping indicators and adjusting subwoofer level for balance.

Installation Step 6: Crossover Adjustments

Crossover Functionality

Details on the on-board staggered electronic crossover for high and low pass filters.

AIRBASS™ Accessory Option

Information on adding wireless remote control level adjustment for subwoofers.

Sample System Configurations

Sample System #1: Full Range Output

Wiring diagram for 4 channels of full range output with RCA input.

Sample System #2: High Pass & Subwoofer Output

Wiring for high pass satellite and RCA line out to subwoofer amplifier.

Sample System #3: High Pass & Subwoofer Line Out

Wiring for high pass satellite and RCA line out to subwoofer amplifier.

Sample System #4: High Pass & Bridged Low Pass

Wiring for high pass satellites and bridged low pass subwoofer.

Sample System #5: Bridged Low Pass & High Pass Line Out

Wiring for bridged low pass satellites and RCA line out to satellite amp.

Sample System #6: Bridged High Pass & Low Pass Line Out

Wiring for bridged high pass satellites and RCA line out to subwoofer amp.

Troubleshooting and Protection

Troubleshooting Common Problems

Identifies common issues like no sound, fault LED, and intermittent output.

Protection Circuitry Overview

Details circuits protecting against overheating and short circuits.

Specifications Summary

Key technical specifications including power, THD, and dimensions.

Series and Parallel Wiring

Wiring Diagrams for Impedance

Illustrates series and parallel wiring configurations for speaker loads.

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