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Kicker Solo-Baric L7 Series 11S12L74

12" subwoofer with dual 4-ohm voice coils

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  • Kicker Solo-Baric L7 Series 11S12L74

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  • Kicker Solo-Baric L7 Series 11S12L74

  • Kicker Solo-Baric L7 Series 11S12L74

  • Kicker Solo-Baric L7 Series 11S12L74

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Our take on the Kicker Solo-Baric L7 Series 11S12L74

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 11S12L74 12

Built tough

The Solo-Baric L7 Series 11S12L74 12" 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 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.

See more info on this item

Highlights:

  • 12" subwoofer with dual 4-ohm voice coils
  • square SoloKon™ polypropylene cone with Santoprene rubber surround
  • aluminum basket
  • power range: 100-750 watts RMS (375 watts per voice coil)
  • peak power: 1,500 watts
  • frequency response: 20-100 Hz
  • sensitivity: 86.9 dB
  • mounting depth: 6-3/4"
  • sealed box volume: 1.25-2.0 cubic feet
  • ported box volume: 1.75-3.25 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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12 -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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86.9 dB at 1 watt
Frequency Response
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20 - 100 Hz
RMS Power Range (Watts)
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100-750
Peak Power Handling (Watts)
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1500
Top Mount Depth (inches)
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6 3/4
Bottom Mount Depth (inches)
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N/A
Cutout Diameter or Length (inches)
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11 1/16
Vas (liters)
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54.274
Fs (Hz)
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34
Qts
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0.539
Xmax (millimeters)
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14.1
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 12" 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): 1.25 cubic feet
  • SQ (maximum enclosure volume): 2.0 cubic feet

Recommended Vented Box Volume:

  • Compact: 1.75 cubic feet; 2.5" x 13.25" port opening; 22.5" port length
  • SQ: 3.25 cubic feet; 3" x 13.25" port opening; 14.5" 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 11.048" x 11.048" square opening.

 
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Kicker Solo-Baric L7 Series 11S12L74 Reviews

Average Customer Review:

6 people say:

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Filter by rating:
5 out of 5

One awsome sub!

Written By Matt, sacramento, ca on Saturday, September 20, 2014
 
Besides the fact that this thing is built like a tank and consumes mass amounts of power, I have no complaints.....oh, an those things I stated are not even complaints, but rather just some of the facts! Lol! Make sure your amp & system are wired & ready to feed this hungry little monster!
Pros:
Durable, capable of handling some serious power, small enclosure capable increasing flexibility in box desigin and positioning.
Cons:
Needs an extremly stable power supply. Ie; serious amplifier & wiring to feed said amplifier.....additional battery and/or power cap recomended??
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"Coolness Factor"
Build Quality
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5 out of 5

L7

Written By cadillac91brougham, Atlanta ga. on Wednesday, March 12, 2014
 
I have two L7 12" dual 2 in factory box with side port in my Cadillac brougham 1991 and I promise you wont find a better low bass sub ...I have it currently running on a kicker zx1500 and waiting on my mtx te4001d amp to come out of repair it realllly makes these beat low hard and loud moves lots of air and everyone swears I have 15"s or 4-12" subs lol
Pros:
Owning them
Cons:
If u dont own them
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5 out of 5

great subwoofer

Written By big b, fayetteville nc on Wednesday, February 26, 2014
 
this sub was meant for one thing only,! deep bass! i only have a 200 watt class d mtx amp pushing it and it slams. can hear me coming two blocks away. bout to upgrade to a rockford 750.1 amp. and then its really gonna be beast. it only go up to 100hz so the higher bass notes it wont hit, but who cares. the low lows are what you want if you want to be felt and heard!! the price is a lil steep!
Pros:
reliability, durability, build quality.
1 out of 1 people found this helpful
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"Coolness Factor"
Build Quality
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5 out of 5

good woofer

Written By nckwho, richmond tx on Thursday, December 12, 2013
 
Woofer is great! Sounds a whole lot better now that I upgraded my amp and got an extra battery.
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2 out of 5

I did spend money for a custom box for nothing...

Written By rocketman, houston on Wednesday, August 14, 2013
 
I had a custom-made box by a local shop that deals with supercars also. But it is no match against JL audio sub that was in a Bentley. Hands down, you can hear the big difference. Sorry that I dropped a lot of money for this square thing. If it looks like a square, then it will sound as square as it can be...
Pros:
different looking
Cons:
I you love your ride. Find other subs that will make you love your ride more...
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3 out of 5

Meh

Written By basshead, va on Wednesday, February 13, 2013
 
This sub just doesn't cut it when it comes to sound quality. I really tried to liked the sub and spent hours trying to tune it to my liking. Don't get me wrong this thing thumps but it sounds awful. The square cone pushes more air but isn't as responsive as a 12 inch round sub. So if youre into dubstep and other terrible music then this will be fine for you, but if you want clear precise bass this isnt what you want. I'm going back to my JL's, I dont care if theyre "overpriced" the sound quality cant be matched.
Pros:
sound pressure
Cons:
sound quality
10 out of 17 people found this helpful
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1 question already asked

what size and kind of amp should i use wigh two of these subs??? would a hifonics brutus 1600 watt mono block be enough to get full potential out of them?? [ chad  Feb 04, 2014 ]
1 answer
  • Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Krissy Staff  Feb 04, 2014 ]

Add accessories for the Kicker Solo-Baric L7 Series 11S12L74

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

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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 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 Solo-Baric L7 Series 11S12L74, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_2061S12L74/Kicker-Solo-Baric-L7-Series-11S12L74.html ).