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PowerBass S-6903 - User Manual

PowerBass S-6903
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AUTOSOUND S-SERIES SPEAKERS
Application Guide
Please read through this manual to familiarize yourself with your new speakers. Should your PowerBass
Autosound speakers ever require service, you will need to have the original dated receipt.
S-6903
S-6902T
S-6802
S-4102
S-6752
S-6502
S-650T
S-5202
S-4602
S-4002
S-3502
S-275CF
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Summary

PowerBass Autosound S Speaker Features

Cone Material and Finish

Paper cone with Dynamic Damping Coating for warm sound and uncompromised fidelity.

Tweeter Design and Type

Silk dome tweeters for accurate high frequencies; some models use PEI or mylar.

OEM Drop-in Replacement Capability

Designed to fit most OEM speaker applications for easy installation behind factory grills.

Rolled Foamed Surround

Double pressed treated foam surround ensures linear travel for more bass and higher efficiency.

Sound Expander Tweeter Lens

Tweeter ring design to re-focus high frequencies for a more spacious sound.

Additional Included Features

Includes acoustically transparent speaker grills, mounting hardware, and wiring harness.

Tips for Optimal PowerBass System Performance

Proper Amplifier Power and Clipping

Supply speakers with enough unclipped amplifier power to avoid damage from underpowering or clipping.

Amplifier and Crossover Configuration

Utilize separate amplifiers and electronic crossovers for better system performance and less stress.

Preventing Sound Cancellation

Use mounting panels (Masonite or MDF) to prevent sound cancellation from front to rear.

Correct Speaker Wire Polarity

Ensure correct polarity when connecting speaker wires for optimum sound reproduction.

Sealing for Dynamic Performance

Use weather stripping to ensure a tight seal for maximum dynamic performance.

Moisture Protection for Components

Avoid mounting speakers or external crossovers in locations where they can get wet.

Installation Measurement Best Practice

Follow the golden rule 'Measure twice...cut once' for accurate installations.

Speaker Mounting Locations and Examples

Dash Mounting

Designed as drop-in replacements for dash speakers, may require dash or grill removal.

Door Mounting

Check door assembly operation and stabilizer stops to ensure proper speaker placement.

Rear Deck Mounting

Check trunk suspension and tension bars for interference during rear deck installation.

Speaker Specifications

Model and Size Compatibility

Details model numbers, sizes, and OEM drop-in replacement capabilities.

Electrical and Performance Metrics

Provides nominal impedance, frequency response, and sensitivity ratings.

Physical and Power Ratings

Lists magnet size, mounting depth, and power RMS/peak ratings.

PowerBass Autosound Limited Warranty Policy

Warranty Coverage Period

Covers defects in material and workmanship for one (1) year.

Warranty Eligibility and Requirements

Applies to US sales by authorized dealers; requires original dated receipt for service.

Exclusions from Warranty

Excludes damage from bent frames, water, abuse, clipping, or improper installation.

Service and Return Procedure

Contact customer service for RA#, ship product with receipt and handling fee.

PowerBass S-6903 Specifications

General IconGeneral
Speaker Type3-Way
Power Handling (RMS)150 Watts
Impedance4 Ohms
Sensitivity92 dB
Size6" x 9"

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