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JBL PRX512Mi and PRX718S

FOH Staff • New Gear • April 7, 2009

The PRX512Mi is a 12-inch, 2-way, truly multipurpose, self-powered sound reinforcement system, with a frequency range of 46 Hz to 20 kHz. The PRX512Mi is comprised of a 12-inch Differential Drive woofer, a neodymium compression driver mounted to a 70 x 70-degree horn, all driven by a multichannel Crown International Class-D digital power amplifier. The PRX512Mi features 400-watt low-frequency and 100-watt high-frequency amp channels, while weighing only 18 kilos (40 pounds).

At the core of the PRX512Mi is a fully integrated DSP input section, providing mic/line level input, selectable system EQ, and a premium A/D converter for a maximum signal-to-noise ratio. A dual socket pole mount, eight standard M10 suspension points and one M10 pull-back point enables a new level of multi-functionality.

Also new to the PRX family, the PRX718S is an 18-inch, self-powered subwoofer system, offering a frequency range of 33 Hz to 160 Hz, and a power rating of 1,400 watts peak. In addition to the 18-inch Differential Drive woofer, the PRX718S features JBL’s proprietary Dual-Bridge Technology (DBT), which directly links discrete amplifier channel outputs with each voice coil in the woofer. The PRX718S also offers a DSP input section,  a selectable high-pass filter on the stereo loop-through outputs and polarity reversal, all at a weight of 80 pounds.

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