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Critical Mass UL-12 5000 Watts peak 12 inches Subwoofer - UL12

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Performance

BEST WOFFER I HAVE EVER TESTED

by Richard Clark on 5/21/2010

''wow'' is all i can say... this speaker subwoofer by critical mass the ul12 is by far the best speaker i have ever tested. i have used many of the other top brands and they make some great subs, but this one is the best. the sound is just on point the bass is powerfull and clean at the same time and the drum notes are crystal clear... if you want the best, in my opinion as a person that has had sound systems in my cars for over 25 years, this speaker is the best.

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Product Overview

THE PERFECT SUB Car Audio and Electronics Mag The Subwoofer By Which All Others Will Be Judged Car Audio and Electronics Mag Rated#1 Car Audio and Electronics Mag The Highest Test Scores Ever! Car Audio Magazine Tested the sub in an SPL enclosure and got it to hit 154db James Claridy of Audio Enhancers Its surely the best subwoofer Ive had the pleasure of auditioning. Car Audio magazine the performance was no less than outstanding and every bit of resonance recreated with distinction. Car Audio magazine Id gladly sell a few things to scrounge up the $1,999.00 price tag. Car Audio and Electronics Mag Its worth every dollar. Car Audio magazine Exceptional! Car Audio magazine The BEST LISTENING scores in CAR AUDIO history! INSTRUMENTAL Score: 9/10, REGGAE Score: 9.5/10, ELECTRONIC/HOUSE Score: 9/10, R&B Score: 9/10, JAZZ Score: 9.5/10 Car Audio magazine Its imaging was perfect, the impact striking. Car Audio magazine The output was unapologetic and powerful with a capital P. Car Audio magazine It played effortlessly across all genres of music with precision. Car Audio magazine There was no distortion to speak of. Car Audio magazine The Critical MASS UL12 is that rarity in mobile audio, a dream product for BOTH audiophile and bass head. Car Audio magazine when a product is this good youre naturally tempted to doubt your own evaluation process. Car Audio magazine The UL12 is an incredible tour-de-force in high SPL loudspeaker engineering Car Audio magazine just when I think that subwoofer technology has pretty much reached its pinnacle, a new sub comes along to shatter my illusions of stability Car Audio magazine There has always been a strong correlation between subwoofer performance, dollar cost and sheer mass. That truism has come to a grinding halt with the new Critical MASS UL12, as this serious maximum performance 5,000 watt peak subwoofer weighs in like a high-maintenance super model at a mere 16.6 pounds. The story of how this is done is a tutorial in state-of-the-art speaker engineering. Car Audio magazine ULTRA-PERFORMANCE LIGHTWEIGHT SUBWOOFER DESIGN: This driver is the first Ultra-Performance Subwoofer to be made with the automotive performance enthusiast in mind. At only 18 lbs, this subwoofer handles up-to 3 times more power, has a considerably higher linear and maximum excursion, and audibly lower distortion, while weighing as much as 66% less than other Ultra-Performance Subwoofer (woofers with an excursion capability of greater than 2.5). These subwoofers made by other companies can weigh as much as 55 lbs. On the other hand, the Critical MASS Ultra-Performance Lightweight Subwoofer will not only play louder and handle more power, but it will also play in a smaller box, andtherefore, can save you as much as 100 lbs from subwoofer system weight when combined with the reduced weight of a smaller enclosure (based on two 12 subs). A 100 lbs reduction in your system weight, translates to accelerations gains resulting in up to 1/10th of a second off your 0-60 mph times, or as much as 1 car length faster. So the next time you plan to invest $1000 on an exhaust system, keep in mind that you may have already lost your expected performance gains, unless you are using Critical MASS UL-Series subwoofers and speakers.MMAG TECHNOLOGY:Allows for much greater linear excursion and power handling than conventional drivers. This Ultra-Performance Subwoofer utilizes the Dual Gap configuration of the patented MMAG motor technology, which results in up to 2.5 times more X-max than conventional motor designs. Huge, radial slot vented, NEO motor structure. Utilizing high temp, high grade Neodymium-Iron-Born magnets, which generate up-to 10 times more magnetic energy than conventional ceramic magnets of equivalent size. The radial slot vents keep the motor running cool, enabling much greater power handling capability than conventional Neo designs. OSD TECHNOLOGY: Up to 25% more air movement do to Oversized Sd technology as compared to other drivers with comparable excursion capability. Combined with the X-max improvements of the Dual Gap geometry, this subwoofer delivers over 200% more linear air movement (more Bass) than conventional subwoofers with the same size voice coil. HEAT-SINK BASKET TECHNOLOGY: Utilizing a unique and efficient way of transferring heat, from the motor, to the basket body, and then to the basket mounting flange. This Ultra-Performance Subwoofer actually transfers the heat from inside the Box to the outside world by utilizing its heat-sink fins on the face of the woofers mounting flange. Not only does this technology allow for increased short-term power handling, but also for greater power handling over long periods of time (many more hours than conventional designs. CARBON FIBER SANDWICH CONE: This cone is one of the only cones that will withstand 5000 Watts of peak music power. The Lightweight Carbon Fiber Sandwich Cone increases rigidity, and therefore efficiency, which ultimately means more, undistorted, car-shaking bass.

Specifications

Manufacturer Critical Mass
Mfg Part# UL12
SKU 210518814
Features
Fs Klipple-LSI: 31 Hz
Maximum Excursion one way: 46 mm Almost 4in peak-to-peak
Motor Type: Dual Gap Internal NEO Magnet
Peak Power handling: 5000 Watts
Qts Klipple-LSI: 0.81
Recommended Box Volume: 1.2 cuft. Sealed
RMS Power handling: 2500 Watts undistorted power
Sensitivity: 96.7 db 2.83V 1m coils in parallel
Subwoofer Size: 12 inches
Vas Klipple-LSI: 47.7 Liters
Voice Coil Diameter: 3 in
Voice Coil Impedance: 1.5 ohm nominal per coil
Voice Coil Type: Ultra-High Temp Dual Coil Made in the USA
Weight: 16.6 lbs
Xmax one-way linear excursion: 36 mm 3in peak-to-peak
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BEST WOFFER I HAVE EVER TESTED by Richard Clark on May 21, 2010

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