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Alpine SWS-1022D

10" subwoofer with dual 2-ohm voice coils

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Item# 500SWS1022
 
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Our take on the Alpine SWS-1022D

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 Authorized Online Dealer

Get a rush of clean, loud bass from a Type-S subwoofer, and you'll understand why so many car enthusiasts bask in Alpine sound. Housed in a heavy-gauge stamped steel frame, the SWS-1022D 10" sub brings out those forceful lows that your existing system can't produce.

Type-S subs use a Kevlar®-reinforced woofer cone for quick response and long-term dependability. The brushed aluminum finish on the cone matches the look of other Type-S speakers. A 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 perimeter venting system that forces hot air away from the voice coil. The tinsel leads are built directly into the tear-resistant, dual progressive Nomex spiders for reliable service. The dual 2-ohm design lets you wire for high output or a multiple woofer setup.

The SWS-1022D 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:
  • 10" subwoofer with dual 2-ohm voice coils
  • Kevlar®-reinforced pulp cone with aluminum finish
  • 3/4" Santoprene rubber surround
  • stamped steel basket
  • frequency response: 30-1,000 Hz
  • power range: 50-300 watts RMS (150 watts per coil)
  • peak power handling: 900 watts
  • sensitivity: 85 dB
  • mounting depth: 6"
  • sealed box volume: 0.65-1.5 cubic feet
  • ported box volume: 1.0-1.75 cubic feet
  • Recommended Q-Logic Box Type: 1, 2, 3
  • warranty: 1 year

Priced per speaker

Note: Sorry, Crutchfield cannot ship Alpine products to Guam or Puerto Rico.
 

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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2 ohms
Cone Material
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Kevlar Reinforced 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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1.2
Port diameter (inches)
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3
Port length (inches)
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9
Free-Air
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No
Dual Voice Coil
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Yes
Sensitivity
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85 dB at 1 watt
Frequency Response
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30 - 1000 Hz
RMS Power Range (Watts)
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50-300
Peak Power Handling (Watts)
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900
Top Mount Depth (inches)
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6
Bottom Mount Depth (inches)
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6 1/2
Cutout Diameter or Length (inches)
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9 1/16
Vas (liters)
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28
Fs (Hz)
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35
Qts
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0.64
Xmax (millimeters)
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12.9
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

  • 10" Subwoofer
  • Rubber screw cover gasket
  • Two 5-5/8" Speaker wire jumpers (with banana plugs on both ends)
  • Type-S Subwoofer Application Guide
  • Warranty card
  • Customer Care Registration card
  • Important Notice (concerning installation guidelines)

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

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 aluminum coated polypropylene inverted parabolic dust cap, 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.

Screw Cover Gasket: The woofer includes a rubber gasket to cover the screw holes. When mounted, the gasket adds approximately 3/16" to the flange height and approximately 1/8" to the mounting height of the woofer.

Dual 2-ohm Voice Coils: The SWS-1022D features dual 4-layer voice coils that utilize 180°C high-temperature wire and a high-strength brass former. Dual voice coil woofers offer flexibility in wiring. When the voice coils are wired in parallel with each other, the woofer presents a 1-ohm mono load. When the voice coils are wired in series with each other, the woofer presents a 4-ohm mono load. In addition, each coil may be connected to a different amplifier channel and each channel will see a 2-ohm load.

Spring Posts: The woofer has two pairs of spring posts that will accept pin connectors, banana plugs, and up to 8 gauge bare wire. All four speaker terminals are located on one side of the woofer to make it easier to connect the woofer in a parallel or series configuration.

Wire Jumpers: The woofer is equipped with two 5-5/8" speaker wire jumpers with banana plugs on both ends. These jumpers allow you to wire the voice coils in parallel (for a 1-ohm load) or series (for a 4-ohm load).

Mirrored Progressive Nomex Spiders: This subwoofer has mirrored 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.

Leg Vent System: The frame features an Integrated Leg Vent System to help cool the motor structure. Two vertical slits are cut into each of the six "legs" of the basket below the spider to allow cool air to flow in and heated air to flow out.

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 1-3/4" 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.

Enclosure Compatibility

Recommended Sealed Box Volume: The sealed box sizes recommended by Alpine range from 0.65 cu/ft to 1.5 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. Within this range, the ideal size recommended by Alpine is 1.2 cu/ft, so this is the enclosure recommended by Crutchfield. One 3" diameter x 9" long port should be used with the 1.2 cu/ft enclosure.

 
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