Mackie HD1801 Owner's Manual - Page 17

Owner's Manual Appendix C: Technical Information HD1801 Specifications Acoustic Performance Frequency Response (-10 dB): Frequency Response (-3 dB): Max peak SPL (calculated)1: Max peak SPL (measured)2: Transducer Diameter: Voice Coil Diameter: Diaphragm Material: Magnet Material: Power Amplifier Rated Power: THD: Design: Cooling Input/Output Input Type Input Impedance: Full Range Output: High Pass Output: Output Impedance: Level Control: Electronic Crossover Crossover Type Crossover Frequency: Protection Features Over-excursion Protection Thermal Protection Driver Protection: Display LEDs 35 Hz - 145 Hz 44 Hz - 95 Hz 133 dB 129 dB 18.0 in / 457 mm 4.0 in / 102 mm Paper Ferrite 800 watts rms 1600 watts peak < 0.03% Class D Active, twin thermally controlled vari-speed fans Female XLR Balanced differential (stereo left/right) 20 k Male XLR Balanced (parallel with input) Male XLR Balanced 300 -6 dB to +6 dB 24 dB/oct. Symmetrical Linkwitz-Riley 100 Hz 40 Hz 24 dB/oct. Butterworth High Pass Filter Amplifier mute, auto reset, twin thermally controlled vari-speed fans Peak/RMS Limiter Power Light ON, Polarity Invert, Thermal, Sig/Limit, Front Power ON AC Power Requirements US: Europe: AC Connector: Construction Features Basic Design: Material: Finish: Handles: Grille: Fly Points: Physical Properties Height: Width: Depth: Weight: 100-120 VAC, 50-60 Hz, 300 watts 220-240 VAC, 50-60 Hz, 300 watts 3-pin IEC 250 VAC, 15 A male Rectangular 15 mm exterior grade premium birch plywood High durability black paint One on each side Powder-coated galvanized steel Twelve M10 x 1.5 mm 23.0 in / 584 mm 23.0 in / 584 mm 25.8 in / 655 mm 106 lb / 48.1 kg Mounting Methods Floor mount or fly via 12 integrated M10 mounting points (using M10 x 1.5 x 37 mm forged shoulder eyebolts). See page 12 for more information. Disclaimer Since we are always striving to make our ­products better by incorporating new and improved materials, components, and manufacturing methods, we reserve the right to change these specifications at any time without notice. "Mackie" and the "Running Man" figure are registered trademarks of LOUD Technologies Inc. All other brand names mentioned are trademarks or ­registered trademarks of their respective holders, and are hereby acknowledged. 1 Calculated from peak driver sensitivity and amplifier power, half space. 2 Measured with swept sine at 1 W within operating range, scaled for max power, half ©2010 LOUD Technologies Inc. Owner's Manual 17 space. All Rights Reserved.