SERIAL # REGISTERED WITH CRITICAL MASS FOR WARRANTY FROM PURCHASE DATE.

NO RETURNS, NO REFUNDS

ULTRA-PERFORMANCE LIGHTWEIGHT SUBWOOFER DESIGN:

This driver is the first Ultra-Performance Subwoofer to be made with the automotive

performance enthusiast in mind. 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, and

therefore, 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

Tech info:

Subwoofer Size: 13”

RMS Power handling: 2500 Watts (undistorted power)

Peak Power handling: 5000 Watts

Recommended Box Volume: 1.2 cuft. (Sealed)

Weight: 16.6 lbs

Motor Type: Dual Gap / Internal NEO Magnet

Voice Coil Type: Ultra-High Temp Dual Coil (Made in the USA)

Voice Coil Diameter: 3”

Voice Coil Impedance: 1.5 ohm nominal per coil

Xmax (one-way linear excursion): 36 mm (3” peak-to-peak)

Maximum Excursion (one way): 46 mm (Almost 4” peak-to-peak)

Sensitivity: 96.7 db (2.83V / 1m) (coils in parallel)

Fs (Klipple-LSI): 31 Hz

Qts (Klipple-LSI): 0.81

Vas (Klipple-LSI): 47.7 Liters

JL Audio W7 W6 W3 or any Woofer for that matter do not come close to this SUB

NO RETURNS, NO REFUNDS