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10" subwoofer with dual 2-ohm voice coils
Item # 500SWS1022 | MFR # SWS-1022D
This item is no longer available.
Our take on the Alpine SWS-1022Dby Crutchfield's Steven Johnson
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
What's in the Box:
- 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)
Features and Specs
|Impedance||1 ohm or 4 ohms|
|Cone Material||Kevlar Reinforced Pulp|
|Surround Material||3/4" Santoprene Rubber|
|Ideal Sealed Box Volume (cubic feet)||1|
|Ideal Ported Box Volume (cubic feet)||1.2|
|Port diameter (inches)||3|
|Port length (inches)||9|
|Dual Voice Coil||Yes|
85 dB at 1 watt
|Frequency Response||30 - 1000 Hz|
|RMS Power Range (Watts)||50-300|
|Peak Power Handling (Watts)||900|
|Top Mount Depth (inches)||6|
|Bottom Mount Depth (inches)||6 1/2|
|Cutout Diameter or Length (inches)||9 1/16|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
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.
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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