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Mackie SRM450 (No Longer Available)

Item ID: SRM450

12" 2-way 300W/100W Bi-amped Speaker (ea)

Sorry, the Mackie SRM450 is no longer available. We've left this page up for reference only. Check out the great alternatives on this page or call toll-free (800) 222-4700 to speak with a Sweetwater Sales Engineer about similar products.

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From Our Research Team:

The Active Loudspeaker with Studio-Quality Sound!

For a lot of us at Sweetwater, it's impossible to sum up the Mackie SRM450 in one sentence. Saying, "The SRM450 is the ultimate sound reinforcement speaker and live workhorse," might be true, but it doesn't do justice to the SRM450's fantastic sound. And saying, "The SRM 450 brings the precision of a studio monitor into a live environment," doesn't do justice to the fact that the SRM450 is one tough speaker. But whatever you think is best about the Mackie SRM450, it's probably the most versatile, reliable, feature-packed speaker around.

Mackie SRM450 Active Loudspeaker at a Glance:
  • A portable PA speaker with studio-quality sound
  • Great response and dispersion from 12" woofer and titanium High-frequency driver
  • High SPL and low distortion with built-in Fast Response amplifiers
  • Internal electronics package protects speakers
  • Extra-tough enclosure fits anywhere, is easy to transport

A portable PA speaker with studio-quality sound
Why are Mackie's SRM450 speakers among the most popular powered loudspeakers in the world? Because the SRM450 delivers studio-quality reproduction to portable PA applications at an affordable price. With full, warm lows and crisp highs, the SRM450 sounds great in the club, the community room, the coffeehouse, the school auditorium - anywhere you need great sound!

Great response and dispersion from 12" woofer and titanium High-frequency driver
With tight, steel-fisted bass to below 55Hz and detailed, articulate treble out to 20,000Hz, the Mackie SRM450 delivers superb sound. Midrange is warm, natural, and free from ear-fatiguing harshness. The SRM450 has astonishingly wide dispersion that lets your whole audience hear clearly, whether they're in the front, back, or way out on the sides of the room.

High SPL and low distortion with built-in Fast Response amplifiers
Most of all, the SRM450 cranks! Without a hint of distortion, its FR Series Fast Recovery design amps provide superior control over clipping when the amp is driven to extremes. The result? The SRM450 effortlessly achieves a maximum SPL of 127dB, a level that would melt conventional speakers into a pile of molten slag. Rated at 300 watts RMS for low frequencies and 100 watts for highs, The SRM450's built-in power amps will perform night after night, gig after gig.

Internal electronics package protects speakers
The Mackie SRM450 features a premium collection of internal electronics for frequency management and speaker protection. A dynamic signal level-dependent filter handles bass rolloff. Acoustic Contour equalization is time-corrected and phase-aligned for crystal-clear output. The SRM450 includes a thermal protection amplifier shutdown circuit with, auto reset. 24dB-per-octave low and high-frequency crossovers ensure smooth frequency transitions.

Extra-tough enclosure fits anywhere, is easy to transport
The Mackie SRM450's unmistakable appearance is built around its super-strong polypropylene case. Its assymetrical trapezoid design provides optimum utilization of interior space for the drivers and amplifiers. In addition, the SRM450 is easy to carry, with molded-in handles. You can also fly SRM450s using the built-in M10 fly points.

So mount it anywhere, use it every night, and slam it into the van - the Mackie SRM450 is one tough loudspeaker that does the job every time!


Mackie SRM450 Active Loudspeaker Features:
  • 2-way bi-amplified, optimized active system
  • Built-in FR Series 300 and 100-watt amps
  • Built-in precision 24dB/octave Linkwitz-Riley electronic crossover
  • 12" long throw low-frequency transducer
  • High-output precision titanium compression driver
  • studio quality maximum dispersion horn design
  • High SPL output/extremely low distortion
  • Electronic time correction, phase alignment and equalization
  • Servo feedback controlled woofer

The Mackie SRM450 is a workhorse loudspeaker with high-quality sound!

SRM450 Image Gallery

Specification Detail
Manufacturer Part Number 090-132-90

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Additional Online Resources:

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    Ask questions, get answers about the Mackie SRM450 in Sweetwater's Noise Gate Forum.

Reviews

Fantastic Speakers

by D. Collins from Statesboro, GA
October 28, 2007
Music Background: Pro Musician
Before getting these I was hauling around several heavy amp racks plus speakers and moved to these about ten months ago. I am AMAZED every time I set up and hear these. They are very easy to handle ... read more [+]due to the great location of the handles, not too heavy, and sound incredible by themselves for small-medium sized jobs...I can't believe these are 12's that put out all this bass. Coupled with a 1200 watt subwoofer...absolutely AWSOME! One of the best purchases I've ever made...very versatile for small, medium and large (with subs) venues. close [-]

Perfect!

by Josh Reid from Richmond
September 19, 2007
Music Background: Live Sound Engineer
We travel on tour with 12 of these and 4 active 18" subs and we beat these things to death and they just keep kicking out the best sound we have ever heard. light enough to carry two and loud enough t... read more [+]hat 2 would do, but we have spares :)
dont even think about it, just by them, or it if your on a tight budget. close [-]

Nice loud, clear and easy to set up public address system.

by sabianq from Washington D.C.
October 4, 2006
Music Background: Live sound engineer
The SRM-450 speaker by Mackie is a very nice, easy to transport loud speaker system.
These speakers are bi-amplified and they do a great job in an outdoor or large indoor venue.

... read more [+]Overall, this system is a good addition to any Public Address system, and since they are powered, you do not have to lug around an amp.

my main gripes are,
A: they are somewhat noisy, the noise floor is not as quiet as can be, I thought there was something wrong with them when i first powered them up but every SRM-450 i have heard has the same "hiss", this is not a real problem unless you want to use them as near-field monitors in a studio environment. but the fact that the 121 db distortion free SPL (measured at 2-3 meters) clearly makes up for the noisy operation.

B: There is no Phantom-power integrated into the amp, this is annoying, as when you need to use a condenser microphone in a setup you have to pull out a mixer or a phantom power supply. close [-]

SRM450 - Right on the money

by Justin Miller from Bedford, England
April 12, 2006
Music Background:
The Mackie SRM450 is an extremely versatile speaker. It has the advantage of built in amplifiers, together with thermal and overload protection. I run a hire firm, pa2hire.co.uk, and we like these f... read more [+]or several reasons – for one, they are difficult to damage, you can’t overdrive them very easily as the limiter kicks in. Secondly, they have excellent sonic characteristics. We also use d&b Q7 and HK concert touring (contour) speakers, these are far more expensive, but the Mackie SRM450’s stand up surprisingly well – especially at moderate volumes. The more expensive speakers sound a little more hi fidelity, but you certainly pay for this.
The dispersion pattern is wide, and very even. There is no tendency for beaming (high directionality at high frequencies).
Of course the other nice thing is you can use these as powered monitors, side or front fills, drum fills, or front of house, so they really are multi-role.
On the down side, some may find they are a little heavy. But quality is heavy, honestly! They are a bit lighter than some of the competition. They also have a tendency to cut out if pushed very hard for a prolonged period. This is the thermal cut-out on the amplifier, you can tell right away as the blue light goes out. It can happen if you feed too much bass into them, so it’s a good idea to use the low-cut switch to help. Some people retrofit fans to the heat sink to combat this, but they tend to be vulnerable to knocks.
On the subject of bass, using subs with these is pretty important in anything but a small venue, but I would say the same of any 12 inch speaker. Depends on the program material of course.
All in all, the SRM450 is right on the money for a medium size active speaker – I would recommend them.

Take care,
Justin Miller
http://pa2hire.co.uk close [-]

Mackie SRM450 for keyboards

by Kirk Fischer from Temple, Texas
March 1, 2004
Music Background:
After a five year search for the perfect keyboard amp I bought a pair of SRM450's and a 1202VLZ Pro. It's awesome - the best multiple keyboard combo I've heard. My piano has brilliance ... read more [+]and clarity while the Roland VK7 can growl with real guts.

Yea - it's an awesome PA but to me, it's the best keyboard amp on the planet. close [-]
See Also: Powered PA Speakers , Mackie , Mackie Active / Powered PA Speakers

Mackie SRM450

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