New and Improved Alpine Type-R:
Delivering the best bass output, the Alpine SWR-1243D has been redesigned to enhance audio playback and become your ideal sound system. Type-R's new depth design offers a 20% reduction while adding the new and improved magnet structure. With this updated double-stacked strontium magnet, this product gains over 20% more motor force to provide a louder, cleaner bass. The optimized CRC machined motor creates an even magnetic field to provide the user with less distortion and overall improves the subwoofers power handling. This subwoofer features a High-Amplitude Multi Roll (HAMR) to provide excellent excursion with overall better output. Having a new and improved airflow management system controlling the temperature of the voice coils, the air is redirected across the heatsink to avoid overheating. With heavy playing time, this heatsink feature minimizes the amount of compression to reduce any heat damage to the voice coils giving you a long-lasting subwoofer.
- 12" Dual 4 ohm Type R Subwoofer
- Power Handling:
- Peak: 1800 watts
- RMS: 300-600 watts
- Kevlar reinforced pulp cone woofer
- 2-Piece Structural Parabolic diaphragm design
- Injection molded Santoprene rubber surround
- Alpine exclusive High Amplitude Multi-Roll (H.A.M.R) surround for impressive excursion and clean, accurate bass
- FEA Optimized progressive NOMEX spider
- Radial vented VC head sink
- Concealed mount gasket system
- Reinforced layer spider integration tinsel leads
- Oversized 2-1/2" Voice coil
- 4-Layer dual voice coil design
- Voice coil made from 180°C high temperature wire on spiral cut aluminum former
- Single-piece cast aluminum frame with Alpine Patent Pending Airflow Management System for efficient cooling
- Airflow Management system controls the temperature of the voice coil by directing the air across the heatsink
- One sided push terminals make installation and wiring fast and simple
- Each terminal accepts up to 8 AWG wire for high power signal transfer
- Concealed gasket mounting system hides the screw holes and makes for a clean install
- Integrated grill technology allows for a seamless installation of a grill
- US Patented Compound Radius Curve (CRC) design with integrated short sleeve configuration
- CRC Machined motor structure creates a symmetrical magnetic field for less distortion and improves power handling
- High-power, double-stacked strontium magnet structure
- Newly redesigned for a 20% depth reduction
- Frequency response: 24-200 Hz
- Sensitivity: 83 dB
- 1-year Sonic Electronix warranty
Alpine products are warranted solely by Sonic Electronix, Inc. under the same period and terms as the original Alpine warranty. Sonic Electronix is not an Authorized Alpine Dealer and Alpine requires all merchandise purchased by Sonic Electronix customers to be returned solely to Sonic Electronix. Alpine products are also covered by our Standard Return Policy for returns on exchanges or refunds within 30 days from the date of purchase.
Product History:
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(newest, current model)
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(previous model, replaced by Alpine SWR-12D4 )
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(previous model, replaced by Alpine SWR-1243D)
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Average Customer Rating is 4.8 out of 5 stars:
Share your thoughts with others:
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Average Attributes Rating:
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4.8 |
| Value |
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4.8 |
| Features |
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4.8 |
| Design |
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4.8 |
| Usability |
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4.9 |
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what's this?
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Quick Comparison:
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Most Helpful Customer Reviews:
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Review by
Andrew from Stittsville, ON, Canada
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I had a hard time deciding if I should have gotten 2 or just 1. I ended up only getting 1 Alpine Type-R sub and this thing blasts! I'm running it off the Rockford R500 amp and it's perfect. So happy with my purchase.
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Review by
Mocape from London, Great Britain
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Don't bother looking anywhere else. Just click and buy. This sub is mental, an it keeps on going and going, giving birth to hard, deep and tight Bass! Im only running 400w rms on it in a sealed enclosure and my neighbors hate me. Can't wait for summer time in London! If you want to be that guy cruising with loud bass, then this is your tool to make it happen. WE LOVE BASS!
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Review by
Aztekk from Tucson, AZ
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I wanted a sub with high output and good SQ at a low price, after doing a lot of research, I decided on this woofer. I tossed it into a 1 cubic foot sized sealed box as recommended by Alpine for SQ (I mainly listen to rock music). I juiced it with an RF bdCP 1000, 900 watts at 4ohm.
I used to own 2 RF 12's powered by the first model Bd1000. This single 12 hits at least 70% as hard and has better sound quality.
I bought one more of these, and I'm thinking of sending it back, a single one is so loud. ( I will probably keep the extra one and hook it up)
I havent tried wiring this sub at 2ohms (My amp gives 1500 Watts at 2ohms) But I would imagine it would probably sound even better.
This sub sounds good for rock and rap, but for some reason, it makes techno and dance music sound great. It feels just as bulletproof as it looks in the pictures.
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Review by
demetrius from Key West, FL
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I love these subs. I installed these and ran each one off its own amp. I'm only giving each one 500w but these things bang.
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Review by
Terry from woodruff, SC
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Put them in this afternoon and they bang hard
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For more information on wiring subwoofers, visit our Subwoofer Wiring Guide:
Subwoofer Wiring Guide
