Alpine S2-W12D2 S Series 12" 1800W Peak Power Handling at 2 Ohms, Dual Voice Coil Car Subwoofer
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What's Inside?
- • 12" Dual 2-ohm voice coil subwoofer
- • Trim ring (installed)
- • Subwoofer Application Guide (English/ French)
- • (2) 3" jumper cables (each has a single banana connector on each end)
- • On-line product registration information (English/ French/ Spanish)
- • Warranty information (English/ French)
- • Important Notice! (English/ French)
- • Owner's Manual
Why Choose Alpine S2-W12D2 Component Car Subwoofer?
Performance & Value
With an impressive power handling of 600W RMS and a peak power handling of 1800W, the Next-Gen 12” S-Series Subwoofers deliver outstanding performance value. Boasting a wide frequency response range of 23Hz to 215Hz and a sensitivity of 86dB (1W/1m), these subs ensure powerful and accurate bass reproduction across a diverse range of music genres.
Perfect Power Match
Maximize the potential of your S-Series subwoofers with Alpine's perfectly power-matched S-Series amps. Power up to two S2-W12D2 subwoofers effortlessly with the 600W S2-A60M mono amplifier, or for an even bigger impact, pair up to four S2-W12D2 subs with the powerful 1200W S2-A120M amp to ensure optimal sound quality and perfomance.
Features a Progressive Spider
Alpine's subwoofer features a progressive spider ensuring reliable tinsel lead control, compound radius curve pole geometry for optimized magnetic fields and reduced distortion, dual voice coils offering system flexibility, spring terminals for versatile wiring options, included jumpers for easy voice coil wiring, and recommends sealed enclosures for precise sonic reproduction or ported enclosures for increased output, with ideal volumes specified for each.
Frequently Asked Questions (FAQ)
- • What enclosure type should I use for the best bass performance?
The subwoofer performs well in both sealed and ported enclosures when built according to the recommended specifications. Selecting the proper enclosure helps maximize bass response, efficiency, and overall sound quality.
- • Why does the bass sound weak even though the subwoofer is moving?
This is commonly caused by incorrect crossover settings, improper enclosure volume, or amplifier gain that is set too low. Carefully tuning the amplifier and using the recommended enclosure usually restores stronger bass performance.
- • Can I wire the dual 2-ohm voice coils in different configurations?
Yes, the dual voice coil design allows multiple wiring options to match compatible amplifier impedance requirements. Following the recommended wiring diagram helps achieve reliable operation and maximum performance.
- • What amplifier size works best with this subwoofer?
An amplifier whose RMS power closely matches the subwoofer's continuous power rating provides the best balance of output and reliability. Proper power matching also minimizes distortion and helps extend the life of the subwoofer.
- • Why do I hear distortion or crackling when I turn the volume up?
Distortion is often caused by amplifier clipping, excessive bass boost, or incorrect gain settings. Reducing the gain and properly tuning the amplifier usually restores clean and controlled bass.
- • Can I install two of these subwoofers for even more bass?
Yes, many users install a pair to achieve greater low-frequency output and more balanced bass throughout the vehicle. Be sure your amplifier, enclosure, and vehicle's electrical system can support the increased power requirements.
- • What size power wire can the heavy-duty input terminals safely support?
The integrated spring-loaded push terminals on the basket frame are designed to securely accommodate bare speaker wire up to 8 AWG. Utilizing a high-quality thick gauge wire ensures maximum current transfer from your amplifier stage and prevents loose connections over time.
- • Why does my trunk or rear hatch rattle so much after installing the subwoofer?
The increased bass output can cause loose trim panels, license plates, and interior components to vibrate. Installing sound-deadening material and securing loose parts can greatly reduce unwanted rattles.
- • Does this speaker come with a protective mesh cover or grille inside the box?
No, a physical speaker grille is not included in the standard retail box and must be purchased as an optional accessory. The basket frame does, however, feature an integrated screwless twist-lock mounting rim designed to accept the compatible protective grille easily.
- Diameter : 12 Inch
- Sensitivity : 85.7 dB
- Impedance : 2 Ohm
- Frequency Response : 23-215 Hz
- Peak Power Handling : 1800 Watts
- Number of Voice Coils : Dual
- Suggested Sealed Box Volume : 0.85 Cubic ft.
- Suggested Ported Box Volume : 1.51 Cubic ft.
- RMS Power Handling : 600 Watts
Features:
- Progressive Spider: The progressive spider has reinforced layer tinsel leads to ensure reliable and consistent control of the tinsel leads and eliminate any mechanical noise or interference often seen in high excursion cone designs.
- Compound Radius Curve Pole Geometry: Alpine's Patented Compound Radius Curve extended pole geometry ensures a symmetrical magnetic field, while optimizing flux density to reduce distortion and further improve power handling and output.
- Dual Voice Coils: For system flexibility, the woofer has two 2Ω voice coils. When the voice coils are wired in parallel, the woofer presents a 1Ω load. When the voice coils are wired in series, the woofer presents a 4Ω load.
- Spring Terminals: The spring post terminals are all located on one side of the woofer. The terminals will accept pin connectors, single banana plugs, or bare wire up to 8-gauge.
- Jumpers: Included with the woofer are two voice coil terminal jumpers. These jumpers allow you to easily wire the voice coils in parallel (for a 1Ω load) or series (for a 4Ω load).
- Sealed Box: Alpine recommends a sealed enclosure with an internal volume between 0.61 and 1.06 cubic feet, with an ideal volume of 0.85 cubic feet. Sealed enclosures provide the most control over a woofer, will handle a lot of power, and provide accurate sonic reproduction, making them suitable to all types of music.
- Ported Box Volume: The recommended ported box volume ranges from 1.06 cubic feet to 1.56 cubic feet, with the ideal size being 1.51 cubic feet, using a slot port measuring 12½" (W) x 1" (H) x 16" (L).
Specifications:
- Size: 12 -inch
- Impedance (Ohms): 1, 4
- Cone Material: Carbon Fiber/Polypropylene
- Surround Material:Rubber
- Free-Air: No
- Dual Voice Coil: Yes
- Sensitivity: 85.7 dB at 1 watt
- Frequency Response: 23 - 215 Hz
- Max RMS Power Handling: 600
- Peak Power Handling (Watts): 1800
- Top Mount Depth (inches): 5 1/16
- Cutout Diameter or Length (inches): 10 5/8
- Frame Width: 12.5
- Frame Length: 12.5
- Vas (liters): 55.1
- Fs (Hz): 26.6
- Qts: 0.43
- Xmax (millimeters): 15
- Parts Warranty: 1 Year
- Labor Warranty:1 Year
Box Requirements
- Ideal Sealed Box Volume (cubic feet): 0.85
- Minimum Sealed Box Volume (cubic feet): 0.61
- Maximum Sealed Box Volume (cubic feet): 1.2
- Ideal Ported Box Volume (cubic feet): 1.51
- Minimum Ported Box Volume (cubic feet): 1.06
- Maximum Ported Box Volume (cubic feet): 1.6
- UPC: 793276085238
- Weight: 22.45
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.
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This subwoofer is truly a powerhouse and it produces a deep, booming bass that has elevated my car audio entertainment to a whole new level. I've been a long time fan of Alpine speakers and subs, and with sub, I don't think it will be changing any time soon
