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WWW.POWERACOUSTIK.COM 

Royal Blue Finish w/ Diamond Cut Accents

 

Die Cast Aluminum Voice Coil Heatsink 

Non-Pressed Pulp Cone 

Polyether Foam Surround 

2.5” 4-Layer Voice Coil on Aluminum Former

 

Nickel Plated 8ga Compression Wire Terminals 

Dual Poly-Cotton Spiders 

Die-Cast Aluminum Frame 

170oz Strontium Ferrite Magnet 

Vented Pole Piece

 

MOFO-X Features

 

Turn over for woofer wiring diagrams... 

Driver Specifications

 

All  enclosures  should  be  made  of  .75”  (3/4”)  material  only. 
When possible, make the baffle 1.5” (1 1/2”) thick and 
add .75” (3/4”) to the depth of the enclosure to compensate. 
All volumes INCLUDE vent/port and subwoofer displacements. 
DO NOT change the volume unless you plan on adding a sub-
stantial amount of bracing. For added performance, applying 
a coat of fiberglass resin to the interior walls will greatly 
improve sealing the enclosure. Adding a thin layer of poly-fill 
will improve response by smoothing out enclosure reflections.

 

Enclosure Recommendations

 

 

When technology advances, products do as well.  Does Lamborghini need to refine their cars every 2 years?  

NO, they do because they can. After 6 years, it is time for a change. Say “See Ya!” to the old MOFO, and wel-
come the new MOFO-X subwoofers! The new motor is refined and increases efficiency dramatically! MOFO-X subs 
use a non-pressed pulp cone for durability and smooth low bass. Like the original MOFOs, the new models use an 
aluminum dustcap that couples to the voice coil former and extends over the cone. Why? The fins brace the cone 
and eliminate cone flex during high excursion.  Since the cap is aluminum and coupled to the coil former, it acts as 
a heat sink or heat extractor.  Using the latest materials, the new MOFO-X subs yield superior performance!

 

Series Wired 

122X 

152X 

FS (Hz) 

28.9 24.1 

QMS 

5.559 6.103 

VAS (ft

3

1.367 3.761 

X-MAX (mm) 

15 15 

X-MECH (mm) 

23 23 

QES 

0.429 0.480 

RE (

3.922 3.95 

BL (Tesla) 

20.28 21 

RMS Power 

1,500 1,700 

MAX Power 

2,700 3,000 

QTS 

0.399 0.445 

SPL (1w/1m dB) 

85.4 86.9 

Voice Coil 

DVC 2

Ω

 DVC 

2

Ω

 

Overall Diameter 

12.625" 15.5" 

Overall Height 

7.875" 9.25" 

Mounting Depth  

6.875" 8.125" 

Cutout Diameter  

11.25" 14.125" 

Motor Diameter 

7.875" 7.875" 

Motor Height 

3" 3" 

Flange Width 

.75" .75" 

Flange Height 

.625" .625" 

Weight 

26lbs. 30lbs. 

124X 

30.3 

6.11 

1.353 

15 

23 

0.47 
7.22 
25.7 

1,500 

2,700 

.44 

85.4 

DVC 4

Ω

 

12.625" 

7.875" 
6.875" 

11.25" 

7.875" 

3" 

.75" 

.625" 

26lbs. 

154X 

24.4 
5.95 

4.077 

15 

23 

0.51 

7.23 
26.3 

1,700 

3,000 

0.47 

87 

DVC 4

Ω

 

15.5" 

9.25" 

8.125" 

14.125" 

7.875" 

3" 

.75" 

.625" 

30lbs. 

MOFO-12 Sealed 

MOFO-12 Ported 

Cubic 

Feet 

F3 (Hz) 

Cubic 

Feet 

Port Diameter 

Tuning 

(Hz) 

1.00 54.0 2.00 4" 

12"  36.8 

 

 

 

 

 

MOFO-15 Sealed 

MOFO-15 Ported 

Cubic 

Feet 

F3 (Hz) 

Cubic 

Feet 

Port Diameter 

Tuning 

(Hz) 

2.00 

40 

4.00  (2) 4" x 11.75" 

35.6 

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