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Soundstream PICASSO Stereo Amplifier User Manual

Soundstream PICASSO Stereo Amplifier
20 pages
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1
REFERENCE Class A
PICASSOPICASSO
4/3/2 Channel
Power Amplifier
OWNERS MANUAL AND
INSTALLATION GUIDE

Questions and Answers:

Soundstream PICASSO Stereo Amplifier Specifications

General IconGeneral
BrandSoundstream
ModelPICASSO Stereo Amplifier
CategoryAmplifier
LanguageEnglish

Summary

Soundstream Picasso Amplifier Owners Manual

Welcome and Owner Information

Congratulates the user, emphasizes manual reading, and provides fields for recording purchase details.

Design Features

Audiophile Circuit Topology and Components

Details shortest signal path, esoteric components like polypropylene capacitors, and low-noise operational amplifiers.

Power Output and Construction

Covers Pure Class A output, mil-spec boards, brass connections, Chassisink, and power supply design.

Amplifier Component Layout

Front and Top Views

Illustrates the front and top panels of the amplifier, showing input/output connectors and controls.

Bottom View and Switches

Depicts the bottom panel, highlighting speaker outputs and mode selection switches.

Key to Callouts

Component Identification

Explains the function of each numbered component shown in the amplifier diagram on page 6.

Installation Step 1: Operating Modes

Coherent Stereo Operation

Describes the mode for identical left/right stereo channels, ideal for satellite speakers.

Mixed-Mono Operation

Explains how to drive stereo and mono simultaneously, suitable for center channels.

Bridged Mono Operation

Details dedicated single-channel operation for higher power needs, primarily for single speakers.

Installation Step 2: Input Selection

Unbalanced RCA Inputs

Discusses standard RCA outputs and their advantages like common availability.

Balanced Pro Audio Inputs

Covers higher S/N ratio and noise cancellation benefits of balanced inputs.

Input Level Sensitivity

Explains selectable input ranges (0.2-2.0V, 0.5-5.0V) and gain adjustment.

Installation Step 3: Wiring

Power and Ground Connections

Details power/ground cable gauge, internal/external fusing, and battery connection.

Signal and Speaker Wiring

Covers remote turn-on, signal cable quality, and speaker cable gauge recommendations.

Wiring Diagram

Provides a visual representation of how to connect the head unit, amplifier, and speakers.

Installation Step 4: Mounting and Power-Up

Amplifier Location and Mounting

Guides on selecting a location, securing the amplifier, and ensuring adequate ventilation.

Initial Power-Up Procedure

Describes observing the power LED and expecting a short delay upon system activation.

Installation Step 5: Level Setting

Input Level Adjustment Process

Details the dual-stage input level control adjustment for optimal undistorted output and S/N ratio.

Clipping Indicators

Explains the function of input overload indicators and how to avoid clipping the preamp or amplifier output.

Sample System #1: 4-Channel Full Range

System Diagram and Configuration

Illustrates a system with 4 channels of full-range output and external input to channels 3 & 4.

Sample System #2: High Pass to Satellites

System Diagram and Configuration

Shows a system with high pass to satellites and low pass to subwoofers via another amplifier.

Sample System #3: Internal Crossover Input

System Diagram and Configuration

Demonstrates a system using internal input to channels 3 & 4 from an external crossover.

Sample System #4: Bridged Satellites

System Diagram and Configuration

Features 2 channels of bridged high pass output to satellite speakers and low pass to subwoofers.

Sample System #5: Band Pass Speakers

System Diagram and Configuration

Configures systems with high pass tweeters, band pass mid-range, and low pass subwoofers.

Protection Circuitry

Overheating and Short Circuit Protection

Details main power supply fuses, thermal rollback at 85°C, and fail-safe thermal protection at 95°C.

Troubleshooting Guide

Common Problems and Solutions

Lists issues like no sound, fault LED, blown fuses, and input overload with their causes and fixes.

Service Information

Warranty Details

Mentions limited warranty and refers the user to the enclosed warranty card for further information.

Technical Specifications

Power Output and Performance

Lists power ratings (25W x 4 @ 4Ω, 50W x 4 @ 2Ω), THD, Signal to Noise, and frequency response.

Input and Dimensions

Details input sensitivity, impedance, and the physical dimensions of the amplifier.

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