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Mackie HRS120 Active 12" Studio Subwoofer System The Mackie HRS120 is a THX-approved, twelve-inch active subwoofer that is ideal for applications where precise, low frequency reproduction and flexible monitoring and control options are required. The HRS120 is engineered to work in harmony with the HR824 and HR624. The Mackie HRS120 Active Subwoofer is one of the most flexible, responsive, and cost-effective active studio sub woofers on the market today. The HRS120 is perfectly suited for professional recording studios and film/video surround post-production facilities that require extremely accurate bass extension to 19Hz and below. It is also an excellent choice for home theater surround sound installations. In addition to surround applications, the HRS120 can add more low-end presence and enhancement to project and professional studios in a standard stereo configuration. Either way, the HRS120 is a must-have for those customers seeking crisp, clear, detailed low-frequency enhancement for virtually any application. Features: Active Technology Benefit: Precise phase alignment Benefit: Extremely low distortion Benefit: Minimal chance of speaker damage due to overdriving Servo Loop Woofer Technology Benefit: Output is as true to incoming signal as possible Benefit: Extraordinarily high damping factors Built-In, Front-Firing, Mass-Loaded Passive Radiator Benefit: Clear, detailed low frequency enhancement User-Adjustable Controls Benefit: Flexibility to adjust to wide range of user needs Specifications: Acoustic Performance Free field frequency response: 21Hz - 150Hz 1.5dB LF cut-off frequency: -3dB at 19Hz Sound Pressure Level @1 meter, 7.5dBu into balanced input: 100dB SPL@1m Transducers Low frequency: 12-inch (305mm) RCF Precision®, extended LF transducer with 4-inch voice coil and cast aluminum frame Passive radiator: 12"(305mm) Amplifier Power: 400 watts, 8 Ohm load (500 watts peak) Slew rate: >35V/ s Signal-to-noise ratio: >107db, referenced to 350 watts into 8 Ohm Distortion: THD/SMPTE/IMD/DIM100 Type: FR Series Class AB Construction Enclosure: 3/4" (19mm) MDF with 1.25" (32mm) MDF top panel, internal bracing Damping: Adiabatic foam Controls Subsonic Filter flat/15Hz, 18dB/octave filter Filter bypass In/full range (THX) Filter Select Variable/110Hz elliptical Polarity 0°/180° Variable crossover 55Hz to 110Hz, 24dB/octave Linkwitz-Riley filter Product weight & dimensions (without packaging): Height 21" (533mm) Width 18" (457mm) Depth 21.3" (541mm) Weight 94 lbs (42.6 kg) Shipping weight & dimensions (with packaging): Height 24.5" (622mm) Width 23.75" (603mm) Depth 26.25" (667mm) Weight 105 lbs (47.63 kg)
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