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Kicker 11S8L72

Solo-Baric L7 Series 8" subwoofer with dual 2-ohm voice coils

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  • Kicker 11S8L72

  • Kicker 11S8L72

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Our take on the Kicker 11S8L72

by John Pollard
Kicker

What's a component sub and why would I want one?

A component sub is simply a speaker that's designed to reproduce bass once it's installed in a compatible enclosure. Think about the impact of a movie soundtrack in a big theater or even in your own home HDTV setup. A component sub can add the same kind of power to the music in your car. And a car sub is not all about the boom that you hear on a street corner (although that's cool too) - you can pair a component sub with your choice of enclosure to get bass just the way you like it, from tight and punchy to fat and loose. And once you experience music in your car with a well-tuned subwoofer, you'll never go back.

Immense bass
Kicker builds the Solo-Baric L7 component subwoofer to deliver state-of-the-art bass. An ultra-rigid cast aluminum basket houses the patented SoloKon™ one-piece square cone to create a speaker that moves lots more air than a comparably sized round sub. The precision-built motor structure won't yield to stress, giving you chest-thumping low end that won't quit when you push your system hard.

Solo-Baric L7 Series 11S8L72 8 Built tough
The Solo-Baric L7 Series 11S8L72 8" subwoofer features an injection-molded polypropylene cone that works with a tough Santoprene™ rubber surround to dish out monster bass in a sealed or ported enclosure. Its unusual shape and black finish make a strong style statement, and you can add an optional grille to further enhances its looks. This sub packs dual high-temperature 2-ohm voice coils, giving you the flexibility to build a multiple sub setup or to draw more power from your amp with a low-impedance load.

Note: If you are wiring this DVC sub for lower impedance, make sure that your amp is compatible.

Highlights:

  • 8" subwoofer with dual 2-ohm voice coils
  • square SoloKon™ polypropylene cone with Santoprene rubber surround
  • aluminum basket
  • power range: 100-450 watts RMS (225 watts per voice coil)
  • peak power: 900 watts
  • frequency response: 28-100 Hz
  • sensitivity: 82.37 dB
  • mounting depth: 4-3/4"
  • sealed box volume: 0.5-0.75 cubic feet
  • ported box volume: 0.66-1.0 cu. ft.
  • warranty: 1 year
  • Our 60-day money-back guarantee
 

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Size
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8 -inch
Impedance
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2 ohms
Cone Material
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SoloKon
Surround Material
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Rubber
Ideal Sealed Box Volume (cubic feet)
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N/A
Ideal Ported Box Volume (cubic feet)
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N/A
Port diameter (inches)
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N/A
Port length (inches)
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N/A
Free-Air
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No
Dual Voice Coil
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Yes
Sensitivity
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82.37 dB at 1 watt
Frequency Response
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28 - 100 Hz
RMS Power Range (Watts)
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100-450
Peak Power Handling (Watts)
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900
Top Mount Depth (inches)
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4 3/4
Bottom Mount Depth (inches)
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N/A
Cutout Diameter or Length (inches)
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7 1/4
Vas (liters)
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9.127
Fs (Hz)
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47.2
Qts
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0.735
Xmax (millimeters)
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12.2
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Product Research
What's in the box?

Download owner's manual

  • One square 8" dual 2-ohm voice coil subwoofer
  • Owner's manual (English/ Spanish/ German/ French)
  • 2 Kicker decals
  • Template on box lid

Scratch & Dent items may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents.

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 open the box, verify contents, 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.

Features
Enclosure Compatibility

Features

Dual Voice Coils: For increased system flexibility, the woofer has two 2 ohm voice coils. When the voice coils are wired in parallel, the woofer presents a 1 ohm load. When the voice coils are wired in series, the woofer presents a 4 ohm load.

Square Design: By making the Solo-Baric square, Kicker is giving you the most possible cone area (Sd) for a given size baffle, 16% to 20% more area than a conventional round subwoofer. More cone area means the Solo-Baric L7 moves more air, resulting in louder, deeper bass.

Cone Material: The square SoloKon design is a unique one-piece construction, using polypropylene material that moves as a lightweight piston, for improved control. The cone remains rigid, minimizing cone flex and distortion. A rear cone brace integrates into the cone with a continuous contact perimeter weld, which improves strength and resistance to deformation under pressure.

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, even in the harshest conditions.

Spider: The woofer is equipped with a wide poly-cotton spider which easily handles high cone excursions due to its increased diameter and unique shape.

Enhanced BAM (Basket And Motor) Assembly: The Solo-Baric L7 utilizes a high strength stamped steel basket which features a low-profile open design and provides a solid foundation for the precision-aligned motor assembly. Perimeter venting in the BAM relieves pressure from under the spider, supports linear excursion, and helps dissipate heat from the voice coil and motor structure.

Voice Coils: The dual ultra length voice coils sustain enormous cone excursion and provide flexible impedance matching options. The high-temperature Polyimide Film Voice Coil former improves sonic and conducive properties, and prevents thermal-electrical meltdown. The voice coils are rated to 220° Celsius.

UniPlate Construction: The Solo-Baric L7 features a one-piece UniPlate construction with a vented hyper-extended pole piece and backplate. This unique design provides the following benefits:

  • Optimizes heat transfer efficiency for cooler operation and maximum power handling capability
  • Eliminates erratic magnetic flux from the voice coil gap
  • Releases pressure under the suspension for uniform cone movement and responsive low bass
  • Prevents the voice coil from bottoming out and the corresponding damage

Tinsel Lead Wires: The sleeved, high-power tinsel lead wires eliminate broken leads and power loss, due to the common use of insufficient gauge lead wires. The lead wires are terminated with multiple polymer-based strain relieving mechanical fasteners.

Speaker Terminals: The terminals are spring loaded and nickel plated for solid connections with speaker wire up to 10 gauge.

Break-in Period: Due to the complex nature of Kicker Solo-Baric L7 woofers, 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 two 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.

Enclosure Compatibility

Recommended Sealed Box Volume:

  • Compact (minimum enclosure volume): 0.5 cubic feet
  • SQ (maximum enclosure volume): 0.75 cubic feet

Recommended Vented Box Volume:

  • Compact: 0.66 cubic feet; 1.5" x 9.25" port opening; 19.25" port length
  • SQ: 1.0 cubic feet; 2" x 9.5" port opening; 21.25" port length

Cutout: The woofer will not mount in a standard enclosure with a round cutout. Instead, the woofer must be mounted in an enclosure with a 7.211" x 7.211" square opening.

 
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Add accessories for the Kicker 11S8L72

It's critical to have good wire, and none is included with the sub. See all categories & accessories

T-Spec 16-gauge Speaker Wire Black/white jacket — priced per foot
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T-Spec 12-gauge Speaker Wire Black/white jacket — priced per foot
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Stinger PRO Series 16-gauge Speaker Wire Black jacket — priced per foot
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Dynamat Xtreme Trunk Kit 5 sheets, 20 square feet
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Dynamat SuperLite Tri-Pak Triple package — 3 sheets, 12 square feet (Model #10612)
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Dynamat 19100 License Frame Kit
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Dynamat Xtreme Wedge Pack 1 sheet, 4 square feet
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Dynamat Dynaliner One 54" x 32" sheet (1/8" thick)
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Kicker 08GL78 8" grille for Solo-Baric L5 and L7 subwoofers
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Polyester Fiber Stuffing Make your subwoofer think it's in a bigger box (1-pound pack)
31 people say
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Metra Speaker Terminal Round terminal cup with binding post connectors (for do-it-yourself box builders)
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Metra Box Carpet Carpet roll (54" x 5 yards) — available in 3 colors (Black)
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Metra Speaker Terminal Square terminal cup with binding post connectors (for do-it-yourself box builders)
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Metra Speaker Terminal Round terminal cup with spring clip connectors (for do-it-yourself box builders)
5 people say
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Metra Speaker Terminal Square terminal cup with spring clip connectors (for do-it-yourself box builders)
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For a more in-depth review and enhanced detailed information on the Kicker 11S8L72, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_2061S8L72/Kicker-11S8L72.html ).