HDL 4212™ HIGH DEFINITION LINE™
The ISP Technologies HDL 4212™ speakers are a 4-way line array box of the highest performance and fidelity. The HDL 4212 is a 5-degree vertical box. ISP Technologies is the only manufacturer to offer the True 4-Way Line Array Technology design (the Clair I-4 is a proprietary 4-way box, but the 4th ‘way‘ is a built-in subwoofer). All other line array boxes are 2 or 3-way (the Meyer Milo is three 1/2-way, in that both 12-inch woofers operate below a certain frequency).
Specifications
Configuration: 4-way LF Drivers: 2 x 12 inch, very high sensitivity, neo magnet, reflex loaded LMF Drivers: 2 x 6.5 inch, very high BL, horn loaded HMF Drivers: 2 x 3 inch compression, low moving mass, horn loaded HF Drivers: 4 x 1.75 inch compression, very low moving mass, horn loaded, polyester diaphragms Coverage: 5 V x 90 H (-5) Splay Angles: 1 to 5 degrees (-5) Frequency Resp: 68 Hz (4 boxes) to 18 KHz Construction: Baltic birch plywood Dimensions: 43.5” W x 15” H x 23” D (without amp) 43.5” W x 15” H x 27.5” D (with amp) Weight: 150lbs. (without amp) 185lbs. (with amp) Amplifier: 2000 W RMS (per box) 4000 W Peak, 4 channels, high current DAA™, fan cooled Power Required: 10 Amps x 120 VAC Crossover: Outboard digital processor required which is capable of 5-way crossover. Rigging: 18 boxes @ 7:1 safety factor, aluminum alloy
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