C418D4

C418D4

C4 Series 18″ Subwoofer

Die Cast Aluminum Basket

Glass Fiber reinforced Paper Cone

2- 2 Layer Nomex Spiders with Bolt Down Ring

4 inch, 4 Layer Hi-Temp Voice Coil

3- 152 OZ High Grade Magnets

Total magnet weight 456 OZ

Total weight of speaker 112 LBS

Dual 4 Ohms

3500 Watts RMS Power

Cut out: 16.75 inches.
Mounting depth: 12.75 inches deep.
Magnet Diameter 10.25 inches

SPL: 86.19 1W/1m
R(e): 3.875 Ohms
Q(ts): 1.325
Q(es): 1.822
Q(ms): 4.858
L(e): 0.5389 mh(10k)
M(ms): 478 grams
V(as): 1.331 cu ft
Enclosure Spec’s

6 CUBIC FEET NET
83.25 SQUARE INCH PORT
25 INCHES DEEP
MUST ADD PORT DISPLACEMENT TO REAR CHAMBER
SPEAKER DISPLACEMENT 0.25 CUBIC FEET
MUST ADD SPEAKER DISPLACEMENT TO REAR CHAMBER