SPECIFICATIONS
Transducer SpecificationsDisclaimer
Low-Frequency TransducerSince we are always striving to make our
Diameter300mm (12�)products better by incorporating new and improved
Voice Coil Diameter175mm (3�)materials, components, and manufacturing methods,
Sensitivity (1W@1m) 98 dBwe reserve the right to change these specifications at
Nominal Impedance8 ohmsany time without notice.
Power Handling300 wattsOMackie� and the ORunning Man� figure are
Frequency Range50Hz � 3000Hztrademarks or registered trademarks of Mackie
High-Frequency Driver and HornDesigns Inc.
Diaphragm Diameter 44.5mm (1.75ý)All other brand names mentioned are trade-
Exit Throat Diameter 24.5mm (1ý)marks or registered trademarks of their respective
Diaphragm Material Mylarholders, and are hereby acknowledged.
Sensitivity (1W@1m) 106 dB?1999 Mackie Designs Inc.
Nominal Impedance8 ohmsAll Rights Reserved.
Power Handling150 wattsPrinted in the U.S.A.
Frequency Range1000Hz � 20,000Hz
Horn Type
Composite: Exponential and Conical
Mouth Size
304.8mm (12ý) W x 177.8mm (7ý) H
Horizontal Coverage
901 ? 101 (1kHz � 20kHz)
Vertical Coverage
451 ? 101 (2.8kHz � 20kHz)
System Specifications
Input Type (C300i)1/4-inch phone jack
Input Type (C300)Speakon¨
Input Impedance8 ohms
Maximum Input Power 300 watt
Enclosure Alignment Sixth-Order
Over-Excursion Protection
Second-Order High-Pass Filter
Acoustic Frequency Response
45Hz � 20,000Hz
Low-Frequency �3 dB Point55Hz
Maximum SPL @ 1m126 dB
Low-Frequency Crossover Type
24 dB/octave, time offset corrected
High-Frequency Crossover Type
24 dB/octave
Crossover Frequency1800Hz
Driver Protection
Dynamic protection for compression driver
Operating Temperature Range�101C - 451C
(141F - 1131F)
Physical Properties
Height66.0cm (25.98�)
Width39.6cm (15.58�)
Depth37.5cm (14.75�)
Weight19.5kg (43lbs.)
Enclosure Geometry
Asymmetrical Trapezoidal
Mounting Methods
Integrated mounting points
(10mm x 1.25mm)
Two each located on each side, top,
bottom, and rear of enclosure
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