The SB28 is designed as the successor to its SB218 subwoofer. The four-ohm SB28 contains two front-loaded, 18-inch direct radiating transducers integrated into a bass-reflex tuned enclosure capable of operating down to 25 Hz.
The LF transducers are designed to provide a cone excursion capability combined with low-thermal compression even at the highest operating levels. The enclosure’s bass-reflex vents feature a progressive profile allowing for laminar airflow.
According to the manufactuer, the combination of the modern components with the new vents delivers an improved +5 dB SPL output. Control and amplification of the SB28 is managed by the LA8 amplified controller platform. The LA8’s DSP filtering encompasses advanced crossover functions, system EQ and L-DRIVE thermal and over-excursion protection of the transducers.
Made of high grade Baltic birch plywood, the cabinet also features industry-standard aeroquip rails for column rigging, a single 4-pin Neutrik Speakon connector on the rear panel, integral side handles for portability and a durable black epoxy perforated steel grille covered with an acoustically transparent Airnet cloth.
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For information, please visit www.l-acoustics.com.
