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Mackie SRM450v2 Active Speaker (Black)

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The Mackie SRM450 v2 Active Speaker puts your focus on your performance instead of the distraction of constant EQ and level tweaks. While live sound ...Click To Read More About This Product

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OVERVIEW

2-way biamplified, optimized Active loudspeaker system with smooth, ultrawide dispersion.

The Mackie SRM450 v2 Active Speaker puts your focus on your performance instead of the distraction of constant EQ and level tweaks. While live sound can sometimes seem like a wild, uncaged animal, with the SRM450 Portable Active Loudspeaker, Mackie has created technology to help tame the beast.

Thanks to the Mackie SRM450 v2 speaker's all-new design”from adding new amps and transducers to a new lightweight power supply”the SRM450 v2 surpasses the performance of the original SRM450 to deliver pure studio monitor sound at more powerful, full-on loudspeaker levels. Mackie has also managed to keep the SRM450 v2 affordable for musicians despite a complete redesign from the inside out.

The "SRM" Stands for Sound Reinforcement Monitor
Over a decade ago, Greg Mackie and a dedicated team of engineers set out to create a portable loudspeaker that could deliver studio monitor sound quality. Unlike a relatively small, acoustically controlled studio where the sweet spot is well-defined, live venues vary greatly and most are far from acoustically balanced. Despite the challenges, after 2 years of extensive research and development, the first Mackie Sound Reinforcement Monitor was born”a loudspeaker that truly lived up to its name. The Mackie SRM450 v2 continues the SRM450's tradition of studio monitor sound quality delivering sound that makes any venue seem like a well-tuned studio.

Ultrawide Dispersion
Undoubtedly you've been to a show where the sound is all over the map. For instance, stand in front of the band and it sounds okay, but move a little to your left or right and all of a sudden you've got mud in your ears. When Mackie SRM450 v2 loudspeakers are onstage, no matter where you stand, you hear sound with impeccable stereo imaging, depth of field, and definition”at full-on loudspeaker levels. This is due to the Mackie SRM450 v2 speaker's wide dispersion pattern, which is achieved through its multi-cell horn throat aperture. The multi-cell horn throat aperture allows for much wider and more even dispersion of high and mid frequencies. So whether you're listening intently front and center, or playing it cool on the perimeter, you'll hear the same great mix.

Stunning Bass via Servo Feedback Controlled, all new Neodymium Woofer
Many portable loudspeakers produce lows that lack that chest-pounding punch. But the SRM450 v2 delivers astonishingly deep and defined bass frequencies. In fact, it outperforms the original SRM450, which was renowned for its ability to deliver real low-down sound. That's thanks to the SRM450 v2's servo feedback technology combined with its all-new neodymium woofer and 3" voice coil.

Based on Mackie's award-winning HR824mk2 studio monitor technology, the servo feedback damping electronic circuit within the Mackie SRM450 v2 locks the woofer in place with the positive and negative outputs of the amplifier. This creates a solid, direct-coupling that allows the SRM450 v2 to deliver extremely deep bass from a small cabinet. The new neodymium woofer's magnet is lighter in mass, therefore faster than ceramics, giving the SRM450 v2's bass more punch. The new longer 3" voice coil allows the woofer to handle heat more efficiently, so it produces a consistently full dynamic range”even at maximum output. So you get full, thumping, detailed lows even after long hours of use at near-peak volumes.

Super low distortion thanks to Mackie's own Class D, Fast Recovery Amplification
With its combination of Class D topology and Fast Recovery circuitry, the SRM450 v2 operates with incredible efficiency, and delivers much more power and clarity. With this Class D Fast Recovery amplification, the SRM450 v2 handles maximum volume”and associated heat”with ease, so there's no unwanted noise or thermal problems. Even after hours of sustained use at near-peak levels, your sound remains clean and your SRM450 v2 keeps cool.

Legendary Active Electronics
In a passive loudspeaker setup, an external amplifier is connected to a passive crossover inside the speaker, which distributes frequencies to the transducers. Because power amps and transducers vary widely in sound and quality, trying to match the right power amp with the right speaker can be challenging, especially if you're not a professional acoustic technician or rolling in cash so you can hire one. Mackie's proven Active design does all the work for you. With the SRM450 v2, you get a complete loudspeaker system, with complex electronics and carefully chosen components, all precisely tuned and tweaked to work together. The result is a loudspeaker with phenomenal sound quality and power that is completely plug-and-play”no EQ needed.

Built-In Protection Circuitry for Long Life
Active loudspeakers are pushed hard, often to, or beyond the limit. That's why Mackie built reliable protection circuitry into every unit. The SRM450 v2 employs a built-in limiter for less distortion at peak levels, and an automatic sliding high-pass filter to give you that little bit of extra volume when the crowd demands more. Thanks to the advanced technology of its power supply and Class D amp topology, the SRM450 v2 is greater than 90 percent efficient”more of the power from your outlet goes straight to the transducer, without the power supply and amp giving off loads of heat. Less heat means better performance and a longer life.

Versatile, Portable, Tough
When designing the SRM450 v2, Mackie considered every angle. You can still achieve great sound whether you polemount it from the bottom, fly it vertically or horizontally via its integrated M10 mounting points, or use it as a wedge monitor. With all this flexibility, it's one of the most versatile portable active loudspeakers around. Moving it into place is easier than ever too. Weighing in at about 40 lb.”11 lb. lighter than the original SRM450”you'll have plenty of strength left over to play after loading in. Plus, the SRM450 v2 retains its rugged, Mackie built-like-a-tank durability, thanks to the polypropylene cabinet.

FEATURES
2-way biamplified, optimized Active loudspeaker system
High-output precision titanium compression driver
Neodymium long-throw low-frequency transducer with 3" voice coil
Servo Feedback controlled woofer for tight low-end punch
300W Class D, Fast Recovery LF amp/100W HF amp
Ultrawide, smooth dispersion via multi-cell horn aperture and HF waveguide
Built-in phase-accurate 24dB Linkwitz-Riley electronic crossover
Mackie Active Electronic time alignment, phase correction, and EQ for studio quality sound
Mic/line input and pass-thru connector
Lightweight for ultimate portability
Flyable
Pole-mountable
Floor wedgeable

Get live sound that sounds like it should without breaking the bank. Order a SRM450vs today!

SPECIFICATIONS
System Specifications
Frequency Response (-3dB): 55Hz-18kHz
Frequency Range (-10dB): 45Hz-20kHz
Directivity Factor; Q (DI):9.95 (99.8), averaged 2kHz to 10kHz
Max SPL Long-term @ 1m: 124dB
Max SPL Peak @ 1m: 127dB
Crossover: Linkwitz-Riley, 24dB/octave @ 1600Hz

Audio
Input Type: Balanced Differential
Input Impedance: 20 kohms
Input Protection: RFI and level protected
Sensitivity: Line: + 4dBu (center detent), Mic: -36dBu
Maximum Input Level: + 22dBu
Low-Cut Frequency: 75Hz, Second-order filter
Acoustic Contour Equalization
Peaking: + 3dB @ 100Hz, + 3dB @ 12kHz
Operating Temperature Range: -10C to 45C (14F to 113F)

Power Amplifiers
Low-Frequency Power Amplifier
Rated Power: 300 watts (Rated power is continuous rms wattage into transducer's rated impedance @ 5kHz for the HF amplifier and @ 500Hz for the LF amplifier)
Rated THD: < 0.1%
Cooling: Convection Extrusion
Design: Class D, Parametric Servo Feedback

High-Frequency Power Amplifier
Rated Power: 100 watts (Rated power is continuous rms wattage into transducer's rated impedance @ 5kHz for the HF amplifier and @ 500Hz for the LF amplifier)
Rated THD: < 0.1%
Cooling: Convection Extrusion
Design: Conventional Class AB

Transducers
Low-Frequency Transducer
Diameter: 12"/300mm
Voice Coil Diameter: 3.0"/75mm
Sensitivity (1W@1m): 98dB
Nominal Impedance: 8 ohms
Power Handling: 600 watts, program
Frequency Range: 45Hz-3kHz

High-Frequency Transducer
Diaphragm Diameter: 1.75"/44.5mm
Diaphragm Material: Heat-treated titanium
Sensitivity (1W@1m): 106dB
Nominal Impedance: 8 ohms
Power Handling: 100 watts, program
Frequency Range: 1kHz-20kHz

Horn Design
Type: Conical and Exponential
Mouth Size: 12"/304.8mm (W) x 7"/177.8mm (H)
Throat Diameter: 1"/25.4mm
Horizontal Coverage: 90 (1kHz-20kHz)
Vertical Coverage: 45 (2.8kHz-20kHz)

Line Input Power
US: 120 VAC, 60Hz, Recommended amperage service: 2.5 amps
Europe: 230 VAC, 50Hz, Recommended amperage service: 1.25 amps
Japan: 100 VAC, 50/60Hz, Recommended amperage service 3.0 amps
AC Connector: 3-pin IEC 250 VAC

Control System Function
Electronic Crossover
Phase Alignment
Equalization
Parametric Equalization

Safety Features
Over-Excursion Protection: Second-order high-pass filter
Thermal Protection: Amplifier shutdown, auto-reset
Low-Line Voltage Shut Down: 60% Nominal line
Driver Protection: Independent LF and HF compressors
Low-Freq Roll-Off: Dynamic, signal-level dependent

Construction Features
Basic Design: Asymmetrical Trapezoidal
Enclosure Alignment: Sixth-Order
Material: Polypropylene
Finish: Textured finish
Handles: One on each side, one on top
Mounting Methods:
Integrated mounting points, M10
2 each located on each side, top, bottom, and rear of enclosure
Grille: Perforated metal with weather-resistant coating
Display LEDs: Signal Present, Peak, Power ON, and Thermal

Physical Properties
Height: 6.0"/660mm
Width: 15"/0mm
Depth: 1.8"/76mm
Weight: 0 lb./18kg

Audio
Input Type: Balanced Differential
Input Impedance: 0 kohms
Input Protection: RFI and level protected
Sensitivity: Line: + dBu (center detent), Mic: -6 dBu
Maximum Input Level: + dBu
Low-Cut Frequency: 75Hz, Second-order filter
Acoustic Contour Equalization
Peaking: + dB @ 100Hz, +dB @ 1kHz
Operating Temperature Range: -10C to 5C (1F to 11F)

Power Amplifiers
Low-Frequency Power Amplifier
Rated Power: 300 watts (Rated power is continuous rms wattage into transducer's rated impedance @ 5kHz for the HF amplifier and @ 500Hz for the LF amplifier)
Rated THD: < 0.1%
Cooling: Convection Extrusion
Design: Class D, Parametric Servo Feedback

High-Frequency Power Amplifier
Rated Power: 100 watts (Rated power is continuous rms wattage into transducer's rated impedance @ 5kHz for the HF amplifier and @ 500Hz for the LF amplifier)
Rated THD: < 0.1%
Cooling: Convection Extrusion
Design: Conventional Class AB

Transducers
Low-Frequency Transducer
Diameter: 1"/00mm
Voice Coil Diameter: .0"/75mm
Sensitivity (1W@1m): 8dB
Nominal Impedance: 8 ohms
Power Handling: 600 watts, program
Frequency Range: 5Hz-kHz

High-Frequency Transducer
Diaphragm Diameter: 1.75"/.5mm
Diaphragm Material: Heat-treated titanium
Sensitivity (1W@1m): 106dB
Nominal Impedance: 8 ohms
Power Handling: 100 watts, program
Frequency Range: 1kHz-0kHz

Horn Design
Type: Conical and Exponential
Mouth Size: 1"/0.8mm (W) x 7"/177.8mm (H)
Throat Diameter: 1"/.5mm
Horizontal Coverage: 0 (1kHz-0kHz)
Vertical Coverage: 5 (.8kHz-0kHz)

Line Input Power
US: 10 VAC, 60Hz, Recommended amperage service .5 amps
Europe: 0 VAC, 50Hz, Recommended amperage service 1.5 amps
Japan: 100 VAC, 50/60Hz, Recommended amperage service 3.0 amps
AC Connector: 3-pin IEC 50 VAC

Control System Function
Electronic Crossover
Phase Alignment
Equalization
Parametric Equalization

Safety Features
Over-Excursion Protection: Second-Order High-Pass Filter
Thermal Protection: Amplifier shutdown, auto-reset
Low-Line Voltage Shut Down: 60% Nominal line
Driver Protection: Independent LF and HF compressors
Low-Freq Roll-Off: Dynamic, signal-level dependent

Construction Features
Basic Design: Asymmetrical Trapezoidal
Enclosure Alignment: Sixth-Order
Material: Polypropylene
Finish: Textured finish
Handles: One on each side, one on top
Mounting Methods:
Integrated mounting points, M10
2 each located on each side, top, bottom, and rear of enclosure
Grille: Perforated metal with weather-resistant coating
Display LEDs: Signal Present, Peak, Power ON, and Thermal

Physical Properties
Height: 26.0"/660mm
Width: 15.4"/390mm
Depth: 14.8"/376mm
Weight: 40lb./18kg
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