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12" Two Way, Bi-amp, Array Module

General Technical Specs

The SBLA121 is a compact line array enclosure designed to bring superb next generation line array performance to concert, theater and commercial events. It meets the need for a high power, high bass impact system that is versatile and scalable for a very wide range of applications in the live sound, corporate and fixed installation fields. The SBLA121 grids allow systems to be flown or ground stacked as required. Though compact in size, the SBLA121 is a full-bandwidth system and may be used without subwoofers in many applications.


The SBLA121 is a 2-way system that combines line array principles with innovative horn loading techniques to produce a very powerful compact line array with impressive dynamic impact. The low frequency section of the SBLA121 is comprised of a 12" / 3" (75mm) voice coil driver with phase adjust. The SBLA121 HF section is comprised of one 1.4" throat, 3" (75mm) voice coil horn elements to produce a low-curvature vertical wave front with an efficiency of 113dB at 1m for a 1W input. This optimal HF curvature enables the SBLA121 enclosures within the array to be splayed up to 8° without introducing gaps in the HF vertical coverage.

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