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Alpine SWR-1522D

Type-R 15" subwoofer with dual 2-ohm voice coils

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Our take on the Alpine SWR-1522D

by John Pollard
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

Big and bad and built for heavy-duty sound, Alpine's SWR-1522D 15" subwoofer delivers impact bass that you can hear and feel. Alpine has taken the best features from its previous SWR Series subs and added the hottest technology for ground-pounding power and superb accuracy.

The pulp cone has been reinforced with Kevlar® (the material used in bulletproof vests) for extra rigidity, so it won't buckle under hard play. A rubber surround helps to maximize cone travel for deep bass, while standing up to the decay that can destroy a speaker. Air vents help the sub shed heat quickly for efficient operation and better power handling.

The two voice coils handle lots of power while offering system wiring flexibility. The tinsel leads are virtually unbreakable — they're woven into the spiders. An aluminum diecast frame provides a secure, non-resonant housing. The SWR-1522D is designed for use in sealed or ported enclosures.

Note: If you are wiring this DVC sub for lower impedance, make sure that your amp is compatible.

See more info on this item

Highlights:

  • 15" subwoofer with dual 2-ohm voice coils
  • Kevlar-reinforced pulp cone with Santoprene rubber surround
  • cast aluminum frame with perimeter venting
  • power range: 400-750 watts RMS (2000 watts peak power)
  • frequency response: 18-400 Hz
  • sensitivity: 87 dB
  • mounting depth: 9-5/16"
  • sealed box volume: 1.3-2.5 cu. ft.
  • ported box volume: 1.5-3.0 cu. ft.
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Size
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15 -inch
Impedance
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2 ohms
Cone Material
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Kevlar Reinforced Pulp
Surround Material
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Santoprene
Ideal Sealed Box Volume (cubic feet)
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1.75
Ideal Ported Box Volume (cubic feet)
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2.9
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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18 - 400 Hz
RMS Power Range (Watts)
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400-750
Peak Power Handling (Watts)
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2000
Top Mount Depth (inches)
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9 5/16
Bottom Mount Depth (inches)
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10 3/8
Cutout Diameter or Length (inches)
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13 13/16
Vas (liters)
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100
Fs (Hz)
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22
Qts
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0.41
Xmax (millimeters)
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20.7
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

  • 15" Subwoofer
  • Rubber concealing ring
  • Two 3" jumper cables (each cable has a banana plug on each end)
  • Type-R Subwoofer Application Guide (English/French)
  • Warranty information
  • On-line product registration information
  • Notice about matching amplifier

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-R subwoofer has a two-piece structural parabolic 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 poly-mica dust cap, which increases rigidity and virtually eliminates cone distortion at extreme volume levels.

HAMRS: The woofer features a High Amplitude Multi Roll Surround (HAMRS), made of injection molded Santoprene, that allows a large linear excursion and greater SPL. The HAMRS design allows extreme excursions without sacrificing valuable cone area.

Cast Aluminum Frame: The woofer is mounted to a custom cast aluminum frame for added strength. This high mass frame also dissipates heat quickly to make it an integral part of the woofer's thermal management system.

Mirrored Progressive Nomex Spiders: This subwoofer has twin mirrored progressive Nomex spiders for added durability and mechanical stability. The custom progressive rolls give 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 woofer has integrated tinsel speaker leads that are woven into the spiders for the one-sided terminal layout.

Compound Radius Curve Pole Geometry: Alpine's Patented Compound Radius Curve pole geometry ensures a symmetrical magnetic field, while optimizing flux density to reduce distortion and further improve power handling and output.

Oversized Voice Coils: The oversized (65mm), high-temperature, 4-layer dual voice coils offer increased power handling to 750W RMS / 2000W Peak.

Dual Voice Coils: For system flexibility, the woofer has two 2-ohm voice coils. When the voice coils are wired in parallel, the woofer presents a 1-ohm load. When the voice coils are wired in series, the woofer presents a 4-ohm load.

Spring Terminals: The spring post terminals are all located on one side of the woofer. The terminals will accept bare wire up to 8 gauge, pin connectors, or banana plugs.

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 1-ohm load) or series (for a 4-ohm load).

Enclosure Compatibility

Sealed Box Volume: The recommended sealed box volume ranges from 1.3 cubic feet to 2.5 cubic feet, with 1.75 cubic feet being the ideal size.

Ported Box Volume: The recommended ported box volume ranges from 1.5 cubic feet to 3.0 cubic feet. The ideal size is 2.9 cubic feet, using a slot port measuring 15" (W) x 1.5" (H) x 27" (L).

 
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Alpine SWR-1522D Reviews

Average Customer Review:

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Filter by rating:
5 out of 5

Type R is great performer

Written By nemocom, United States on Thursday, June 19, 2014
 
One of my favorite subs of all time. I prefer the 12" over the 15 but its all good. This sub hits all the frequencies just the way I like it. You really can't go wrong with this sub if you're looking for an SQL in the medium power range. The Sound Quality is just to my liking as is the Level or loudness but you should always rely on the best review possible - your ears. Sometimes, what one likes another person dislikes. You can rely on your ears to tell you weather or not you like what you hear. Simply find out it you want a sub that is an SPL forloudness or SQ for souand quality. I prefer a mixture or blend so to say, SQL. Great sound quality and still very loud if you want. I recommend this sub whole heartedly.
Pros:
Very good at doing it all.
Cons:
Yet to find one other than price but you get what you pay for usually and sometimes even quite a bit more as with this sub.
1 out of 1 people found this helpful
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"Coolness Factor"
Build Quality
Ease of Use
Sound Quality
Value
 
5 out of 5

Type r is awesome

Written By rocha95son, Council Bluffs, Ia on Thursday, March 14, 2013
 
My buddy bought one and it is awesome! sounds sick
Pros:
Sick works good.
Cons:
Everything he got was expensive
2 out of 6 people found this helpful
Was this review helpful?    Yes | No
"Coolness Factor"
Build Quality
Ease of Use
Sound Quality
Value
 

2 questions already asked

I have an Alpine 12" type R, what is the best amplifier to pair with it? I am also seeking to purchase in-dash receiver as well as a component system, all by Alpine, to install in a 1987 Chevy S-10 pickup? [ Rihya  Jun 27, 2014 ]
1 answer
  • We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question. [ Greg Staff  Jun 28, 2014 ]
What is the BEST amp to buy to power this sub? (Dual 2ohm 15" alpine type r. [ Austin  Feb 09, 2014 ]
1 answer
  • Thanks for your question. For information on selecting the best amp for this sub I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Jeff Staff  Feb 09, 2014 ]

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For a more in-depth review and enhanced detailed information on the Alpine SWR-1522D, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_500WR1522D/Alpine-SWR-1522D.html ).