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Alpine SWS-1041D

10" Dual 4-ohm Voice Coil Subwoofer

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  • Alpine SWS-1041D

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  • Alpine SWS-1041D

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Item #: 500S1041D
 
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Our take on the Alpine SWS-1041D

by Steven Johnson
Alpine

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.

Alpine's Type-S subwoofers are an ideal combination of price and performance. Housed in a heavy-gauge steel stamped frame, the SWS-1041D 10" 4-ohm DVC sub is a great way to bring out the lows your existing system can't produce.

With its dual 4-ohm coils, you can wire this sub for maximum output or efficiency, depending on your system. The Kevlar®-treated pulp woofer cone hits quickly, but is durable enough to stand up to punishing use. The 3/4" Santoprene rubber surround promotes maximum cone travel, while an extended spider landing area provides extra excursion for full bass.

You'll enjoy distortion-free sound, thanks to a heat transfer plate that limits built-up heat. The tinsel leads are built directly into the tear-resistant, dual progressive Nomex spiders for long-term reliability. A special-design motor structure and patent-pending magnetic circuit make this one crankin' sub.

The SWS-1041D is designed for use in sealed or vented enclosures.

Note: If you are wiring this DVC sub for lower impedance, make sure that your amp is compatible. Most car amplifiers are stable down to 2 ohms in standard mode, or 4 ohms in bridged operation.

Details:
  • Kevlar®-treated pulp cone
  • 3/4" Santoprene rubber surround
  • dual 4-ohm voice coils
  • stamped steel basket
  • frequency response 30-1,000 Hz
  • power range 50-200 watts RMS (100 watts per coil)
  • peak power handling 600 watts
  • sensitivity 87 dB
  • top-mount depth 6-1/16"
  • sealed box volume: 0.65-1.25 cubic feet
  • ported box volume: 1.0-1.75 cubic feet
  • Recommended Q-Logic Box Type: 1, 2, 3
  • 1-year warranty

Priced per speaker

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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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Kevlar Pulp
Surround Material
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3/4" Santoprene Rubber
Ideal Sealed Box Volume (cubic feet)
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1
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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87 dB at 1 watt
Frequency Response
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30 - 1000 Hz
RMS Power Range (Watts)
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50-200
Peak Power Handling (Watts)
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600
Top Mount Depth (inches)
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6 1/16
Bottom Mount Depth (inches)
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6 9/16
Cutout Diameter or Length (inches)
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9
Vas (liters)
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34
Fs (Hz)
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34
Qts
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0.68
Xmax (millimeters)
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13.5
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 10" Dual-voice-coil subwoofer
  • Type-S subwoofer application guide
  • Warranty card
  • Product survey card

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

Manual Corrections

Features

Dual Voice Coils: For increased system flexibility, the woofer has two 4 ohm voice coils. When the voice coils are wired in parallel with each other, the woofer presents a 2 ohm mono load. When the voice coils are wired in series with each other, the woofer presents an 8 ohm mono load. In addition, each coil may be connected to a different amplifier channel and each channel will see a 4 ohm load.

Kevlar Reinforced Pulp Cone: This Alpine Type-S subwoofer has a Kevlar reinforced pulp cone. Kevlar adds strength and tear resistance to the woofer cone while maintaining the benefits of a pulp cone design. There is also an oversized inverted dust cap of the same material, which increases rigidity and virtually eliminates distortion at extreme volume levels.

Santoprene Rubber Surround: The high-excursion 3/4" Santoprene rubber surround is durable and resistant to the elements, resulting in a very reliable performance. The surround is specially designed to resist deformation that is common in most woofers with wide surrounds. This design gives the surround more control over the woofer cone to reduce distortion and possible driver failure.

Dual Progressive Nomex Spiders: This subwoofer has dual progressive Nomex spiders for added stability and mechanical durability. The custom progressive rolls gives the woofer a longer, more linear stroke with maximum centering and restoring force. Special edge control design and Nomex construction provide excellent tear resistance, strength and long-term reliability. The tinsel speaker leads are integrated into the top spider.

Heavy Gauge Steel Basket: The frame is custom stamped from heavy gauge steel for maximum strength.

Heat Transfer Plate: This subwoofer contains a heat transfer plate that is thermally coupled to the voice coil. This plate pulls heat away from the voice coil, achieving up to 10% additional power handling, and better reliability.

Bumped Back Plate and Extended Vented Pole Piece: This woofer combines a bumped back plate and an extended pole piece, giving it a nearly 2" peak-to-peak cone excursion. This extra long cone movement provides a higher bass output. The vents and dual flared design of the pole piece maximize airflow around the voice coil, giving it a more reliable performance.

Spring Posts: The woofer has two pairs of spring posts which will accept pin connectors and up to 8 gauge bare wire.

Specifications

Power Handling: This woofer has a total RMS power rating of 200 watts and a total peak power rating of 600 watts. Each voice coil carries an RMS power rating of 100 watts and a peak power rating of 300 watts. 

Recommended Sealed Box Volume: The sealed box sizes recommended by Alpine range from 0.65 cu/ft to 1.25 cu/ft. Within this range, the ideal size recommended by Alpine is 1.0 cu/ft, so this is the enclosure recommended by Crutchfield.

Recommended Vented Box Volume: The vented box sizes recommended by Alpine range from 1.0 cu/ft to 1.75 cu/ft. No port sizes are listed by the manufacturer.

Manual Corrections

Frequency Response: The manual lists the frequency response as "Fs-1kHz" (Fs=Free Air Resonance frequency). According to Alpine, the actual frequency response is 30Hz-1kHz.

Recommended Enclosures: The manual only lists the recommended sealed box volume range. The vented box volume recommendations were obtained directly from Alpine.

 
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