Sound Barrier CORE8218SP — 18-Inch Passive High Power Subwoofer
CORE8218SP Overview
The Sound Barrier CORE8218SP is a passive 18-inch sub-bass system built for professional live sound reinforcement, touring, and installed audio applications requiring high output and extended low-frequency performance. At its core is a single ultra-long-excursion 18-inch woofer with a 4-inch voice coil, front-loaded in a reflex-ported enclosure that extends low-frequency output below the driver’s natural cutoff point. The cabinet is designed primarily as a companion to the CORE 8218A active sub-bass cabinet, while remaining fully compatible with external rack-mount amplification for passive system configurations. Audio engineers, system integrators, and touring companies will find the CORE8218SP a versatile, deployment-ready solution for demanding sub-bass applications.
The CORE8218SP is compact and lightweight for its class, supporting both flown and ground-stacked deployment, and features a proprietary rigging system directly compatible with the CORE 82A, CORE 82P, and CORE 8218A cabinets for seamless system integration.
Key Features
- 18-Inch Ultra-Long-Excursion Woofer — Single 18-inch driver with a 4-inch voice coil delivers high-output sub-bass performance with extended low-frequency reach
- Front-Loaded, Reflex-Ported Enclosure — The woofer is front-loaded while the rear of the driver is reflex loaded, extending low-frequency output below the driver’s natural cutoff point
- Passive Design with Flexible Amplification — Operates as a passive companion to the CORE 8218A active subwoofer or with rack-mount amplifiers in fully passive system configurations
- Proprietary Rigging System — Directly compatible with the CORE 82A, CORE 82P, and CORE 8218A cabinets for integrated flown or ground-stacked arrays
- Threaded Pole-Mount Socket — Top-mounted threaded socket accepts the CORE82-BPSYS pole-mount and bracket system for flexible speaker placement
- Fly and Ground-Stack Ready — Compact, lightweight enclosure supports both flown and ground-stacked deployment to suit a wide range of venue configurations
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