The B-52 SPF-18A and SPF-1818A are designed for large permanent installation venues. They combine the advantage of a long throw folded horn design with the power and reliability of B-52's digital amplification. A 24 dB / octave electronic crossover, compressor and hard limiter are built into the amplifier allowing these subwoofers to easily patch into an existing system with just pair of full-range XLR input cables! These cabinets are built using 13-ply Baltic birch, scratch-resistant paint, will withstand the abuse of the road and can be used as dance platforms!
The B-52 SPF-18S is a passive version of the SPF-18A that utilizes the same B-52 18-200L, 4" voice coiled 1000-watt subwoofer. It can be powered by the SPF-18A (using the Neutriktm Speakon output on the SPF-18A amplifier) or via a conventional rack-mount amplifier. It features a solid Birch construction, tilt-back handles and 4" casters.
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