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Kicker 11S15L74

Solo-Baric L7 Series 15" subwoofer with dual 4-ohm voice coils

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  • Kicker 11S15L74

  • Kicker 11S15L74

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Item #: 2061S15L74
 

Review Summary

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Our take on the Kicker 11S15L74

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 11S15L74 15

Built tough
The Solo-Baric L7 Series 11S15L74 15" subwoofer features an injection-molded polypropylene composite 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 4-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.

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Highlights:

  • 15" subwoofer with dual 4-ohm voice coils
  • square SoloKon™ polypropylene cone with Santoprene rubber surround
  • aluminum basket
  • power range: 100-1,000 watts RMS (500 watts per voice coil)
  • peak power: 2,000 watts
  • frequency response: 18-100 Hz
  • sensitivity: 88.56 dB
  • mounting depth: 8-5/8"
  • sealed box volume: 2.0-6.0 cubic feet
  • ported box volume: 3.0-6.0 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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15 -inch
Impedance
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4 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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88.56 dB at 1 watt
Frequency Response
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18 - 100 Hz
RMS Power Range (Watts)
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100-1000
Peak Power Handling (Watts)
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2000
Top Mount Depth (inches)
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8 5/8
Bottom Mount Depth (inches)
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N/A
Cutout Diameter or Length (inches)
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13 3/4
Vas (liters)
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149.048
Fs (Hz)
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26.3
Qts
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0.539
Xmax (millimeters)
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16.1
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 15" dual 4-ohm voice coil subwoofer
  • Owner's manual (English/ Spanish/ German/ French)
  • 2 Kicker decals
  • Template on box lid

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 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.

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): 2.0 cubic feet
  • SQ (maximum enclosure volume): 6.0 cubic feet

Recommended Vented Box Volume:

  • Compact: 3.0 cubic feet; 2.5" x 16.25" port opening; 19.5" port length
  • SQ: 6.0 cubic feet; 3.5" x 16.25" port opening; 13.75" 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 13.743" x 13.743" square opening.

 
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Kicker 11S15L74 Reviews

Average Customer Review:

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Filter by rating:
5 out of 5

NECK AND NECK WITH 6 ROCKFORD FOSGATE 12'S

Written By Justin H, Florida on Tuesday, July 31, 2012
 
I had 2 of these in a large slot ported box. I had a memphis mojo 1500rms @ 2ohms and I was running it @ 1ohm so I was getting somewhere around 1500rms to each sub and they took that without a problem! I also had 6 fosgate 12's in a slot ported box and these2 were just as loud. The fosgates had around 2400 rms going to them not sure cant remember exactly what amps I had of them. probably my hifonics 1800rms pushing 2 of them. Not sure of the rest but i was astonished that these 2 could pull that off since. I spent and incredible amount of time putting together the wall of fosgates I had. And not to mention that there was 6 of them!
Pros:
Great sound quality, can handle just about any amp u throw at them, rugged
Cons:
You cant power these with just any old amp I had some little amp I thru on them just for the hell of it and they wouldnt work at all lol They have a long break in period
6 out of 8 people found this helpful
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5 out of 5

Epic

Written By Physiks, Metro Detroit on Saturday, June 09, 2012
 
One of these single-handedly rattled the entire rear hatch of my 97 ford explorer, glass and all. Huge flex, deep bass. Running 1500 bridged to it and it asks for more. They're rated 1000 watts RMS/2000 watt peak. Ive seen them EAT 3000 watt amps no problem.
Pros:
You cant go wrong with Kicker. VERY tough speaker, durable as all hell.
Cons:
NON
2 out of 4 people found this helpful
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5 out of 5

GREAT SUBWOOFER

Written By KRAFTON, Wakefield, NH on Tuesday, May 15, 2012
 
Installed this speaker in my 2011 corolla and the thing hits so hard, great quality sound the will turn alot of heads
Pros:
great sound
Cons:
Heavy
4 out of 5 people found this helpful
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Add accessories for the Kicker 11S15L74

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 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 08GL715 15" 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)
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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)
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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 11S15L74, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_2061S15L74/Kicker-11S15L74.html ).