In music, as in every part of modern day life, if you want to be noticed, you've got to be heard. More often than not these days, just being heard is an uphill battle, but the Mackie SRM450 powered loudspeaker makes it easier for you to cut through the everyday noise, and does it better and more reliably than just about any other powered speaker out there.
The PA system has evolved quite a bit since the early days of electrified music. While complex, multi-component systems still rule stadiums and arenas, self-powered PA speakers have made amplification in small and medium-sized venues much more accessible and a whole lot simpler. While they weren't the first "active-speaker" on the scene, the Mackie SRM450 changed the game when they were introduced. For starters, they sounded heads and shoulders better than the nearest competition; in fact, Mackie labeled them not "active loudspeakers," but "active monitors," a nod to the SRM's unprecedented fidelity in a live loudspeaker (and as makers of some of the most celebrated studio monitors around, Mackie knows a thing or two about audio fidelity). Designed in cooperation with legendary speaker designer RFC, the SRM450 provides 400 watts of amazing sonic clarity through two robust drivers: a 12" woofer and a 1.75" tweeter. Spoken word is crystal clear, and music has maximum punch while retaining nuance.
The self-powered Mackie SRM450s make setup a snap; in most cases, a pair of SRM450s will suffice, with pole-mount sockets and fly-points built-in to the shell for installation flexibility. In addition to their full-range frequency coverage, these speakers provide wide-dispersion sound coverage thanks to their specially designed, wave-guiding enclosure. You'll never worry abort whether everyone in the room is hearing the same performance, so won't have to sweat placement during setup. Carrying the Mackie Active Monitors around is easy, too, as the rugged composite housing has comfortable, integrated handles.
Neither will you ever again have to bother with trying to match speaker to power amp, or fooling with two-way crossovers. The SRM450 has its own, perfectly matched, perfectly bi-amped internal power, meaning you'll always get the most volume and fidelity for your wattage, not to mention you can forget about blown speakers. In addition to taking the hassle out of power-matching, the advanced Mackie protection circuitry in the SRM450 keeps its speakers and power section from overheating, prolonging their life and eliminating potentially dangerous situations.
A Mackie SRM450 makes amplification in any situation easier. At speaking engagements, the XLR input and basic tone controls let you plug a microphone directly into the SRM450 with no external mixer necessary. For DJs up through larger bands, mixers of any size can be plugged into a pair of SRM450s, and parallel, passive thru-puts mean you can add speakers without having to add additional power amps. The scalability of a Mackie SRM450 sound system is limited only by the number of power outlets at your disposal. The SRM450 doesn't only excel as a main PA speaker. . . Mackie designed the speakers' enclosure so that they effortlessly double as wedge monitors.
Ease of setup, amazing fidelity, and reliable performance in one, compact package. Your Mackie SRM450 Active Monitors will provide you with effortless live sound reinforcement, now and for years to come.
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Diameter: 300mm (12")
Voice Coil Diameter: 63.5mm (2.5")
Sensitivity: (1W@1m) 98 dB
Nominal Impedance: 8 ohms
Power Handling: 300 watts
Frequency Range: 55Hz - 3000Hz
Hi-Frequency Driver and Horn:
Diaphragm Diameter: 44.5mm (1.75")
Exit Throat Diameter: 24.5mm (1")
Diaphragm Material: Titanium
Sensitivity (1W@1m): 106 dB
Nominal Impedance: 8 ohms
Power Handling: 100 watts
Frequency Range: 1000Hz - 20,000Hz
Horn Type Composite: Exponential and Conical
Mouth Size (W x H): 304.8 x 177.8 mm (12 x 7 in.)
Horizontal Coverage: 90 degrees (1kHz - 20kHz)
Vertical Coverage 45 degrees (2.8kHz - 20kHz)
Power Amplifier and System Specifications
Low-Frequency Power Amplifier:
Rated Power: 300 watts
Rated THD: < 0.03%
Cooling Convection: Extrusion
Design Class: G, Parametric Servo Feedback
Rated Power: 100 watts
Rated THD: < 0.03%
Cooling Convection: Extrusion
Design: Conventional Class AB
Line Input Power
US: 120V, 60Hz
Europe: 230V, 50Hz
Japan: 100V, 50/60Hz
Dimensions (H x W x D): 660 x 390 x 376 mm (25.98 x 15.35 x 14.8 in.)
Weight: 23.2 kg (51 lbs.)
Enclosure: Geometry Asymmetrical Trapezoidal
Mounting Methods: Integrated mounting points, M10
Input Type: Balanced Differential
Input Impedance Line: 20k ohms
Input Protection: RFI and level protected
Sensitivity Line: +4 dBu (center detent)
Mic: -36 dBu
Maximum Input Level Line: +22 dBu
Low-Cut Frequency: 75Hz, Second-order filter
Acoustic Contour Equalization Peaking:
+3 dB @ 100Hz
+3 dB @ 12kHz
Enclosure Alignment: Sixth-Order
Over-Excursion Protection: Second-Order
Thermal Protection Amplifier shutdown, auto reset
Low-Line Voltage Shut Down 60% Nominal line
Acoustic Frequency Response: 55Hz - 20,000Hz
Low-Freq: -3 dB Point 55Hz
Maximum SPL @ 1m: 127 dB
Low-Freq Crossover: 24 dB/octave, time offset corrected
High-Freq Crossover: 24 dB/octave
Crossover Frequency: 1600Hz
Driver Protection: Independent LF and HF compressors
Low-Freq Roll-Off Dynamic-signal level dependent
Accessory Interface 15V DC, normalized signal I/O
Operating Temperature Range: -10 degrees to 45 degrees Celsius
(14 degrees to 113 degrees Fahrenheit)
If you have additional warranty questions,
please call the manufacturer at 800-898-3211
Mackie's new SRM450 is so precise, so powerful, and so easy to use, they refuse to call it a PA speaker. Active technology finally makes it possible for you to exercise listening criteria reserved for high-end studio monitors in a live sound environment. And since Mackie is the one unleashing the world's first active sound reinforcement monitor, you can be sure it's affordable.
The SRM450 active sound reinforcement monitor brings truckloads of power to any event, eliminating the need for external amplification and costly electronics (such as processors). In fact, this new Mackie loudspeaker - the first in a series of speakers developed with RCF, who has 50 years of speaker experience - uses technology and features found in systems costing thousands of dollars.
From beginning musicians to AV rental houses and everywhere in between, anyone who uses a PA will find the SRM450 to be the workhorse sound reinforcement solution. Everything you need for sound reinforcement - aside from the mixer (and they have those, too) - is in the SRM450. Take a look toward the top of this great-looking monitor and you'll notice the UltraWide Dispersion horn. Designed to deliver high frequency sounds across a spacious horizon, the SRM450 can be heard clearly by every person in the audience. Left, right, or behind that big post toward the back of the room, the crowd can hear it all.
You won't break your back hauling it around, either, thanks to the high-impact composite enclosure. Handles on both sides and on top make it easy to carry.
What's more, the SRM450 can be pole-mounted, flown, or even used as a floor wedge. In fact, the SRM450's asymmetrical geometry and wide-dispersion, studio-quality horn provide unobtrusive sight lines and optimized stage monitoring performance.
They've packed so many features, so much performance and versatility into the SRM450, you'll have to hear and see it for yourself. And they guarantee: once you do, you'll never have any question about who to trust your sound to.