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Congratulates the user on purchasing the PowerBass Xtreme 3XL series Super Subs.
Observing cautions prevents speaker damage from improper amplifier use and distortion.
Important notes on speaker weight, enclosure mounting, heat, and voice coil connections.
Rugged cone material for structural integrity and maximum cone area for SPL.
Rigid, non-resonant frame for maximum excursion and alignment.
Ensures tight, energy-efficient connection for maximum capability.
Handles high temps and power from Class D amps for precise excursion.
Handles extreme power from Class D amps for accurate linear movement.
Secures surround for better grip and prevents displacement during high excursion.
Increases SPL, ensures linear travel, and provides more bass output.
Explains series, parallel, parallel-parallel, and series-parallel wiring for 1-ohm coils.
Illustrates parallel, series, and series-parallel wiring for 2-ohm voice coils.
Contact details for technical assistance and product support.
Guidance on selecting between sealed, vented, and bandpass enclosures for optimal performance.
Details on bandpass enclosures, potential trade-offs, and system configuration notes.
Guidance on calculating required enclosure volume and unit conversions.
Advice on break-in, power, wiring, and porting for best results.
Recommended break-in period of 40 hours at 1/3 volume for optimal performance.
Guidelines for enclosure materials, joints, sealing, and bracing for durability.
Using electronic crossovers (LPF) between 80-100Hz for optimal subwoofer performance.
List of tools and essential safety steps before starting installation.
Detailed technical specifications for all 3XL subwoofer models.
Explanation of Nominal, Pe-RMS, and Pe-Maximum power handling for speakers.
Recommended enclosure volumes and porting for 12-inch models.
Recommended enclosure volumes and porting for 15-inch models.
Instructions for safe unpacking and repacking of the subwoofer for transport.
Promoting safe listening levels with CEA to protect hearing.
Space to record model number, serial number, and date purchased.
Details on warranty period, coverage, exclusions, and return procedures.
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