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Infinity Reference 1242w

12" subwoofer with dual 4-ohm voice coils

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  • Infinity Reference 1242w

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Item #: 1081242W
 

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Our take on the Infinity Reference 1242w

by Ken Nail
Infinity

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.

Infinity Reference subwoofers add a strong jolt of bass to your system at an affordable price. Their solid construction and innovative basket design provide extended low-frequency response and excellent power handling.

The Reference 1242w 12" subwoofer features a polypropylene cone, suspended in a large-roll rubber surround that absorbs distorting vibrations for cleaner sound. A progressive spider design applies more force to the cone as it travels to its limit, for superb control in extreme conditions.

Integrated venting cools the sub's internal parts for increased reliability, while the aggressively-styled basket minimizes depth while allowing plenty of woofer excursion. The 1242w's dual voice coil design gives you plenty of options when wiring up your system.

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Highlights:

  • 12" subwoofer with dual 4-ohm voice coils
  • polypropylene woofer cone with large-roll rubber surround
  • innovative basket design
  • progressive spider improves control during extreme cone movement
  • frequency response: 23-400 Hz
  • power range: 60-300 watts RMS (150 watts per voice coil)
  • peak power: 1200 watts
  • sensitivity: 93 dB
  • top-mount depth: 5-1/8"
  • sealed box volume: 1.25 cu. ft.
  • ported box volume: 2.0 cu. ft.
  • warranty: 1 year
  • Our 60-day money-back guarantee

Priced per speaker

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

Features and Specs
Size 12 -inch
Impedance 4 ohms
Cone Material Polypropylene
Surround Material Rubber
Ideal Sealed Box Volume (cubic feet) 1.25
Ideal Ported Box Volume (cubic feet) 2
Port diameter (inches) 4
Port length (inches) 12.25
Free-Air No
Dual Voice Coil Yes
Sensitivity 93 dB at 2.83 watts
Frequency Response 23 - 400 Hz
RMS Power Range (Watts) 60-300
Peak Power Handling (Watts) 1200
Top Mount Depth (inches) 5 1/8
Bottom Mount Depth (inches) 5 3/4
Cutout Diameter or Length (inches) 11 3/16
Vas (liters) 98.64
Fs (Hz) 24.23
Qts 0.48
Xmax (millimeters) 12.5
Parts Warranty 1 Year
Labor Warranty 1 Year
Product Research
What's in the box?

Download owner's manual

  • 12" woofer
  • Self-adhesive foam gasket
  • Instructions
  • Technical Data sheet
  • Warranty card
  • Infinity sticker (8" x 2-1/2")

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. In addition, each coil may be connected to a different amplifier channel and each channel will see a 4 ohm load.

High-efficiency Polypropylene Woofer Cone: This lightweight and popular material is used to ensure maximum woofer efficiency. The benefit is high output with modest amplifier power.

Large-roll Rubber Surround: The large-roll rubber surround provides optimum cone-edge suspension and absorbs distortion that may travel up the cone edge, ensuring clean, tight bass.

Proprietary Basket: The unique in-board motor structure reduces the overall mounting depth, without limiting enclosure options.

Vented Polepiece: The vented polepiece provides additional cooling of the motor structure, thus increasing power handling.

Progressive Spider: The subwoofer uses a progressive spider, which provides better control at excursion limits than more commonly used linear spiders. The result is reduced distortion at high output levels.

Gold-plated Binding Posts: The gold-plated binding posts will accept pin connectors, spade connectors, banana plugs, and bare wire up to 10 gauge.

Note: The binding posts are positioned too far apart to accept dual banana plugs.

Enclosure Compatibility

Sealed Box Volume: Infinity recommends a sealed enclosure with an internal volume of 1.25 cu/ft. Sealed enclosures provide the most control over a woofer, will handle more power, and provide more accurate sonic reproduction, making them suitable to all types of music.

Ported Box Volume: Infinity recommends a ported enclosure with an internal volume of 2.0 cu/ft with one 4" diameter x 12.25" long port. Ported (or vented) enclosures provide better efficiency in the 40-50Hz range, and are suitable for use with small amplifiers, giving you more bass output from less power. However, this efficiency comes at the expense of sound quality at low frequencies (40Hz and below), and control.

Bandpass Box Volume: Infinity recommends a bandpass enclosure with an internal volume of 2.5 cu/ft. The enclosure has a sealed chamber volume of 1.25 cu/ft and a ported chamber volume of 1.25 cu/ft with two 4" diameter x 8" long ports. Bandpass enclosures often provide the most output available from any amplifier and subwoofer combination at the expense of sonic accuracy. If sheer SPL is desired most, a bandpass enclosure is recommended.

 
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Infinity Reference 1242w Reviews

Average Customer Review:

8 people say:

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Filter by rating:
5 out of 5

Incredible woofers for the price.

Written By mszkoda, Erie, PA on Friday, April 06, 2007
 
I have owned these subs for about 3 months now, and have them wired to an infinity 5761a amp @ 2 ohms. They hit fantastically hard, and are certainly worth the price. I'd suggest these to anyone who is looking for good quality with a great price.
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5 out of 5

undescribably bassy

Written By Tural, Morgantown, WV on Tuesday, November 28, 2006
Crutchfield Customer Review (What's this?)
 
ok, i just got them today, quickly wired them up in parallel to acheive a 2 ohm load, and hooked them up to a kenwood 7202, and omg...i have an xplod receiver, and like at volume 8 the car shook, at volume 15, ur feet shook, at volume 25 the rear windshiled was getting read to pop off!! BEST SUBS I HAVE EVER OWNED! they r a 100 bucks, ye sure u can go get a rockford for 200 the p3 series, but why? it hits the lows so well, that my ears clogged up! buy these!
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5 out of 5

Awesome choice!

Written By Omar, SM AZ on Friday, November 10, 2006
Crutchfield Customer Review (What's this?)
 
These subs pound! Definently a great choice for someone who wants to save money and sound awesome! Great impact bass and low ends!
2 out of 2 people found this helpful
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5 out of 5

WOW!!

Written By Anthony, Salem,Illinois on Tuesday, November 07, 2006
Crutchfield Customer Review (What's this?)
 
These things are amazing! Definatly underrated. Infinity rocks.
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5 out of 5

SICK

Written By Henri, Charlottesville, VA on Saturday, September 30, 2006
Crutchfield Customer Review (What's this?)
 
These subs are incredible. I got one of the two I bought in a box behind my seat in my 97 f150 and it pounds with a 350 watt profile amp. Great sub for the money, and very clean.
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5 out of 5

This subs are GREAT

Written By memphisH, Purdy, MO on Tuesday, September 26, 2006
Crutchfield Customer Review (What's this?)
 
I love these subs! I got to of these for my 2003 Eclipse GT! With a 1000 watt amp! Rattled my whole car in cars something this new should not start rattling. I think these speakers are the best i ever got...!
1 out of 1 people found this helpful
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5 out of 5

WOW!

Written By Chi-town Civic, Chicago,IL. on Sunday, August 27, 2006
Crutchfield Customer Review (What's this?)
 
These subs are so clean its sick. I hooked them up to my Infinity 7541a amp and was floored when I heard em hit. They have the ability to make your ears bleed if you let em. If your looking for BIG, BIG bass at a really reasonable price then this is the sub for you.
4 out of 4 people found this helpful
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5 out of 5

Awesome!!!

Written By Chris, Navarre, FL. on Monday, July 17, 2006
Crutchfield Customer Review (What's this?)
 
I bought 2 and These Subs Rock!!!! I hooked them up to an OLD Fosgate ix-60 amp in my 1999 expedition and WOW!! If you like THUMP these subs are it. Now I wonder what they would sound like with a newer, bigger amp!!!
7 out of 9 people found this helpful
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Add accessories for the Infinity Reference 1242w

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

T-Spec 12-gauge Speaker Wire Black/white jacket — priced per foot
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Dynamat 19100 License Frame Kit
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Dynamat Xtreme Trunk Kit 5 sheets, 20 square feet
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Speaker Grilles (12" waffle style)
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Polyester Fiber Stuffing Make your subwoofer think it's in a bigger box (1-pound pack)
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Grille Clamps (Front/top mount clamps)
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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 Infinity Reference 1242w, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_1081242W/Infinity-Reference-1242w.html ).