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MB Quart PWE 254

10" subwoofer with dual 4-ohm voice coils

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  • MB Quart PWE 254

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Item #: 049PWE254
 

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Our take on the MB Quart PWE 254

by Ken Nail

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.

Got enough juice? Get an amp for your new sub The PWE 254 10" subwoofer offers the exceptional performance you'd expect from an MB Quart Premium Series speaker. Its sturdy cast alloy frame suppresses resonances that can distort your bass. And a special-design dustcap strengthens and stiffens the treated-paper cone, so it holds its shape when you crank the volume.

The durable Santoprene rubber surround attaches to the bottom of the cone for enhanced excursion and a clean look. And you can wire up this 10" speaker as either an 8-ohm or 2-ohm sub, so you'll have plenty of options when building your system. MB Quart has created a subwoofer that handles plenty of power and produces deep, clean bass.

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Highlights:

  • 10" subwoofer two 4-ohm voice coils
  • treated paper cone with polypropylene dustcap and inverted Santoprene surround
  • cast-alloy basket
  • power handling: 400 RMS watts (200 watts per voice coil)
  • frequency range: 22-300 Hz
  • sensitivity: 90 dB
  • mounting depth: 5-7/8"
  • sealed box volume: 0.75 cu. ft.
  • Recommended Q-Logic Box Type: 1
  • warranty: 3 years
  • Our 60-day money-back guarantee

Priced per speaker

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

Features and Specs
Size
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10 -inch
Impedance
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4 ohms
Cone Material
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TreatedPaper/Poly dustcap
Surround Material
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Santoprene
Ideal Sealed Box Volume (cubic feet)
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0.75
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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90 dB at 1 watt
Frequency Response
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22 - 300 Hz
RMS Power Range (Watts)
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50-400
Peak Power Handling (Watts)
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---
Top Mount Depth (inches)
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5 7/8
Bottom Mount Depth (inches)
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N/A
Cutout Diameter or Length (inches)
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9 1/4
Vas (liters)
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11.1
Fs (Hz)
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42
Qts
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0.56
Xmax (millimeters)
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---
Parts Warranty
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3 Years
Labor Warranty
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3 Years
Product Research
What's in the box?

Download owner's manual

  • 10" Dual-voice coil subwoofer
  • Plastic cover ring
  • 3 Terminal jumpers (2 short/1 long)
  • 4 Terminal jumper screws
  • 2mm Allen wrench
  • "MB Quart Premium" badge
  • Self-adhesive foam gasket (in 4 pieces)
  • Installation Manual

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
Specifications

Features

Woofer Construction: This MB Quart Premium Series woofer is equipped with a treated paper diaphragm with an inverted parabolic polypropylene dust cap and a Santoprene synthetic rubber, inverted roll surround.

Basket: The PWE 254's motor structure is supported by a high-strength, non-resonant cast alloy basket.

Kapton Voice Coil Former: Kapton is a highly temperature-resistant, completely non-magnetic plastic foil. Because it has no affect on the magnetic field, the woofer provides more precise, distortion-free music reproduction.

Speaker Terminals: This dual-voice-coil subwoofer has a unique speaker terminal which can accept up to 10-gauge wire. The one-piece terminal block holds the speaker wire in place using set screws (2mm Allen wrench supplied). A plastic cover protects the terminal strip from unwanted contact.

Wiring: The woofer can be connected in the following ways:

  • Standard: You can connect the woofer to two separate amplifier channels, and each channel will see a 4-ohm load. Connections are made to the woofer's +1, +2, -1, and -2 terminals.
  • Parallel: You can connect the woofer to a single amplifier channel which will see a 2-ohm load. Connections are made to the woofer's +1, and -2 terminals. Two supplied short terminal jumpers are attached to the terminal block to link together the two positive terminals and the two negative terminals.
  • Series: You can connect the woofer to a single amplifier channel which will see an 8-ohm load. Connections are made to the woofer's +1, and -2 terminals. The supplied long terminal jumper is attached to the terminal block to link together the +2 and -1 terminals.

Logo Badge: The self-adhesive MB Quart Premium Logo badge can be mounted on the top of the screw cover ring in either direction.

Specifications

Enclosure Recommendation: MB Quart recommends a sealed enclosure with an internal volume of 0.75 cu.ft. for this woofer.

Mounting Recommendations: The PWE 254 can only be top-mounted into the enclosure. The supplied self-adhesive rubber gasket should be placed on the woofer to ensure a tight seal. No mounting hardware is included, however, MB Quart recommends M5 hex-head screws and lock nuts. After installation, the supplied screw cover ring can be fitted to the woofer's outer ring for a custom look.

Miscellaneous Specs:

  • Power Handling: 400 watts RMS (200 watts per voice coil)
  • Mounting Height: 0.298" without cover ring, 0.597" with ring installed
 
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MB Quart PWE 254 Reviews

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5 out of 5

MB Quart PWE 254

Written By Matt, chicago, il on Thursday, September 08, 2005
Crutchfield Customer Review (What's this?)
 
i'm hooked this up parallel, and i'm pushing 400 watts RMS into it. sounds so nice and clean, and this thing hits hard for just a 10. a 12 would be too overpowering for my corolla, so this is a perfect fit. if you're looking for tight bass, and great quality for a good price, look no longer.
28 out of 33 people found this helpful
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