Dual Voice Coils: For increased
system flexibility, the woofer has two 4 ohm voice coils. When the voice coils
are wired in parallel, the woofer presents a 2 ohm load. When the voice coils
are wired in series, the woofer presents an 8 ohm load. In addition, each coil
may be connected to a different amplifier channel and each channel will see a 4
Square Design: By making the
Solo-Baric square, Kicker is giving you the most possible cone area (or Sd) for
a given size baffle, 16% to 20% more area than a conventional subwoofer. More
cone area means the Solo-Baric L7 moves more air, resulting in louder, deeper
Cone Materials: An aluminum
deposit impregnated cone is used resulting in greater rigidity for less cone
flex and less distortion. In addition, the cone is also very resistant to
environmental extremes. A rear cone brace provides added strength and reduces
cone flex under stress.
Surround: The tough, flexible
santoprene rubber surround has a long-throw, positive-roll design, which
controls extreme cone excursion and is highly tear-resistant. The corners of the
surround are ribbed to ensure linear cone motion. The surround is stitched to
the reinforced cone edge, making separation between them virtually impossible.
Inverted Structural Dome: The
Inverted Structural Dome replaces a conventional dustcap and locks into the cone
for unmatched structural integrity and greatly reduced cone flexing/resonance.
Patented Enhanced BAM (Basket And
Motor) Assembly: The cast aluminum basket features a low profile, open
design to provide a solid anti-resonant foundation for the motor assembly.
Spider: The durable
resin-impregnated poly-cotton spider provides precise coil alignment and
critical cone motion control.
Voice Coil: The multi-layer
voice coil and Kapton former create a superior magnetic field and effectively
Chromed UniPlate Construction:
The UniPlate construction combines the backplate and extended pole piece into a
single unit to maximize magnetic efficiency and minimize alignment problems
often caused by two-piece construction. The bottom of the UniPlate is chromed to
provide enhanced heat transfer for cool operation and maximum power handling.
Bumped Back Plate: The deep
bumped back plate lets the voice coil reach maximum excursion without
Perimeter Venting: The
perimeter venting cooling system continuously pumps hot air away from the voice
coil, replacing it with cool outside air.
Gaskets: The one piece front
beauty ring and separate one-piece rear gasket insure an airtight seal and
provide enhanced cosmetics.
Rubber Magnet Boot: A black
rubber boot covers the outside edge of the magnet structure to improve the
cosmetics of the woofer and protect the magnet from chipping or breaking during
Tinsel Leads: The speaker
features sleeved high-power tinsel lead wires to resist breakage and
power-robbing resistance losses.
Speaker Terminals: The
terminals are spring loaded and nickel-plated for solid connections with speaker
wire up to 11 gauge.
Due to the complex nature of Kicker Solo-Baric L7 speakers, they require a
break-in period in order to produce optimum low-bass response. The
high-performance suspension system makes the speakers very stiff
"out-of-the-box". Approximately 2 weeks of daily playing will allow
the suspension to break-in and reach its optimum equilibrium. A
"broken-in" subwoofer will exhibit stronger bass performance, smoother
response, and greater low-bass extension.
Power Handling: When
the subwoofer is mounted in a sealed enclosure that has a volume from 0.66 cu/ft
to 1.0 cu/ft, the woofer can handle up to 600 watts RMS. When the woofer is
mounted in a vented enclosure, its power handling varies depending upon the size
of the enclosure. In a 1.25 cu/ft vented enclosure, the woofer can handle up to
500 watts RMS. In a 1.75 cu/ft vented enclosure, the woofer can handle up to 525
watts RMS. In a 2.25 cu/ft vented enclosure, the woofer can handle up to 550
Recommended Sealed Box
- Compact (minimum enclosure
volume): 0.66 cu/ft; the woofer can handle up to 600 watts RMS
- SQ (maximum enclosure volume):
1.0 cu/ft; the woofer can handle up to 600 watts RMS
Recommended Vented Box
- Compact: 1.25 cu/ft;
2.5" x 11.25" port opening; 19.75" port depth; the woofer can
handle up to 500 watts RMS
- Street Bass: 1.75 cu/ft;
2.75" x 11.25" port opening; 17.75" port depth; the woofer
can handle up to 525 watts RMS
- SPL/Deep Bass: 2.25 cu/ft;
3" x 11.25" port opening; 18" port depth; the woofer can
handle up to 550 watts RMS
Note: The power handling
specifications listed with the vented enclosure recommendations apply only
when a 25Hz, 24dB/octave subsonic filter (sold separately) is used with this
woofer; if a subsonic filter is not used, the power rating will decrease and
excessive port noise can occur.
The woofer will not mount in a standard enclosure with a round cutout. Instead,
the woofer must be mounted in an enclosure with a 9.5" x 9.5" square
Manual Note: The specifications
printed in the manual are for the 2 ohm model. The 4 ohm model specifications in
the Crutchfield database were obtained directly from Kicker.