Dual 2-ohm Voice Coils: This
woofer features dual 2-ohm voice coils that offer flexibility in wiring. When
the voice coils are wired in parallel with each other, the woofer presents a
1-ohm mono load. When the voice coils are wired in series with each other, the
woofer presents a 4-ohm mono load. In addition, each coil may be connected to a
different amplifier channel and each channel will see a 2-ohm load.
The aluminum parabolic woofer cone is lightweight
and extremely strong, giving the woofer very high power handling, low distortion,
and superior bass response.
Excursion Thermo-Rubber Surround: The use of a "tall/skinny" high excursion thermo-rubber surround allows for
linear cone travel on a high excursion driver without reducing cone area.
Parabolic Triangular Cone Geometry
Support System: By bonding an aluminum parabolic dust cap of equivalent
size to the cone body, a balanced triangular structure is created. This system
reduces piston flex and eliminates cone distortion.
Mirror Image Symmetrical Spiders: Dual-opposing spiders
offer superior mechanical stability during high excursions, while maintaining
Spider Support Ring: This
integrated ring increases the bonding surface area between the voice coil former
and spider, establishing a stronger joint. The result is increased mechanical
power handling under high power/high excursion situations.
Anodized Aluminum Voice Coil
Former: Aluminum voice coil formers offer superior heat dissipation over
other commonly used materials. The hard-anodized finish increases the former
strength. These two factors combine to improve the overall power handling
characteristics of the subwoofer.
Precision Cast Aluminum Alloy
Basket: A two-piece "basket in a bucket" design adds rigidity and eliminates
multiple acoustic resonances. Additionally, the large aluminum mass helps reduce
voice coil former temperature and increase power handling.
Double Stacked Magnet Motor
Assembly: The stacked magnet assembly is used to create a powerful linear
motor with increased excursion capability for superior bass output.
The proprietary, slot-loaded spring terminals will accept pin connectors and up
to 8-gauge bare wire.
Concealing Ring: Once the
subwoofer is mounted, the metal concealing ring can be installed to hide the mounting
screws, giving the subwoofer a finished look.
Recommended Sealed Box
Volume: Rockford Fosgate recommends mounting this woofer in a sealed
enclosure with an internal volume of between 1.0 cu/ft. and 1.5 cu/ft. with an
ideal volume of 1.25 cu/ft.
Recommended Vented Enclosures:
Rockford Fosgate recommends mounting the woofer in a vented enclosure with an
internal volume of between 1.25 cu/ft. and 2.25 cu/ft. with an ideal volume of 1.75
cu/ft. One 4" port is recommended at the following lengths for each size
Our Product Research Team
At Crutchfield, you'll get detailed, accurate information that's hard to
find elsewhere. That's because we have our own in-house Product Research
team. They verify what’s in the box, check the owner's manual, and record
dimensions, features and specs. We stay on top of new products and technologies
to help people make informed choices.