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Alpine SPR-50

Type-R 5-1/4" 2-way car speakers

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  • Alpine SPR-50

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Our take on the Alpine SPR-50

by Buck Pomerantz
Alpine

Why replace your car's original speakers?

The speakers that originally came in your car were made from inexpensive materials, designed to create acceptable sound at the lowest possible cost to the manufacturer. If you love music, you deserve better. Name-brand aftermarket speakers deliver fuller, richer sound with considerably more detail and nuance, and they're capable of playing louder and cleaner than factory speakers. Connect new speakers to your factory radio and you'll get the best possible sound from your dealer-equipped system. Pair them up with a new car stereo for a level of enjoyment that can rival a high-fidelity home audio experience.

Exceptional performance, even at high volume

Alpine Authorized Online Dealer

Like it loud? Alpine designed their Type-R speakers for people who like to turn it up. They'll deliver big, dynamic sound with plenty of bass, and they'll handle lots of volume. They'll work great with your car stereo, but they really come into their own when you power them with an outboard amp.

Fine-tuned for clarity and balance

The SPR-50 5-1/4" speakers feature multi-layer hybrid fiber woofer cones that deliver really strong bass response. Alpine's adapted the specially ridged surround, originally developed for their subs, to these speakers, so you get consistent, extended cone movement that pushes a lot of air. The silk tweeters produce smooth highs that bring out your music's detail and depth with no shrillness. Alpine mounts an EQ ring in front of the tweeters to help disperse the highs for a larger listening "sweet spot" in your ride. Plus, you can swivel the tweeters to focus the sound better for your seating position.

Smaller, stronger neodymium magnets

Alpine uses powerful neodymium magnets which are much smaller than traditional magnets, so the SPR-50's high-density polymer frames will fit into more places than most 5-1/4" speakers. Type-R speakers have earned their reputation in the past as the masters of "crank it to the max," but Alpine has really kicked the performance factor of the latest models up a notch or two.

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Highlights:

  • 5-1/4" 2-way car speakers (pair)
  • multi-layer hybrid fiber woofer cone
  • High Amplitude Multi Roll (HAMR) Santoprene® rubber surround
  • 1" swiveling silk dome tweeter
  • power range: 2-90 watts RMS (270 watts peak power)
  • frequency response: 70-29,000 Hz
  • sensitivity: 87 dB
  • top-mount depth: 2-1/4"
  • warranty: 1 year
  • Our 60-day money-back guarantee

Priced per pair
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
General
Design
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2-way
Tweeter Design
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1" Dome
Tweeter Composition
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Silk
Woofer Composition
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Multi-Layer Hybrid Fiber
Woofer Surround
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Santoprene Rubber
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Specifications
Sensitivity
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87 dB at 1 watt
Frequency Response
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70 - 29k Hz
RMS Power Range (Watts)
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2-90
Peak Power Handling (Watts)
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270
Impedance (Ohms)
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4
Top-mount Depth (Inches)
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2 1/4
Bottom-mount Depth (Inches)
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N/A
Cutout Diameter or Length (inches)
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4 5/8
Product Research
What's in the box?

Download owner's manual

  • Two 2-way 5-1/4" Speakers
  • 2 Grilles
  • 2 Grille badges
  • Eight 1-1/8" Self-tapping screws
  • 8 Speed clips
  • Warranty information
  • Important Notice sheet
  • Template and specs on box

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

Woofers: The Alpine Type-R series coaxial speakers feature multi-layered hybrid fiber woofer cones. For durability and superior linearity, the woofers use rubber surrounds.

HAMR Surround: Type-R speakers use Alpine's multi roll HAMR surround (patent pending), a technology developed for Alpine subwoofers that maintains control and stability at higher volume levels. HAMR surround combines increased cone area and long linear cone excursion for deep, powerful bass response.

Swiveling Tweeters: The speakers are equipped with 1" (25mm) silk dome tweeters. Alpine's EQ Ring improves the tweeter's dispersion characteristics, providing excellent off-axis response. You can also tilt the tweeters up to 15° to focus the sound where it should be, not pointed at your feet.

Neodymium Magnet: The new smaller neodymium magnet on the Type-R series allows the speaker dimensions to be smaller, making them easier to install in a wide variety of vehicles. They are also lighter than designs using standard magnet technology.

HD Polymer Frame: The new Type-R speakers use a revolutionary HD Polymer frame, making the speaker stronger, lighter, and easier to install.

 
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Alpine SPR-50 Reviews

Average Customer Review:

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Filter by rating:
5 out of 5

Alpine Mids

Written By Terry, Corbin KY on Thursday, July 10, 2014
Crutchfield Customer Review (What's this?)
 
Great sound get a lot for the money
Pros:
Great product
Cons:
None
Was this review helpful?    Yes | No
 
5 out of 5

Love them

Written By Robert, Rehoboth delaware on Tuesday, September 03, 2013
Crutchfield Customer Review (What's this?)
 
I got these speakers about two weeks ago and i have nothing but good things to say about them. They are extremely loud and clean. The bass is pretty good but i prefer tons of bass!! So i turned the bass down on the speakers and the subwoofer up. All my purchases so far have been sent with detailed instructions, and this order followed suit. The install was super simple.
Pros:
Great highs and fair lows. Very loud! Cost is unbeatable for the quality of sound and service.
Cons:
When bass is all the way up there is distortion at higher volumes.
4 out of 5 people found this helpful
Was this review helpful?    Yes | No
 
5 out of 5

Alpine Type R

Written By Kyle, La crescent Minnesota on Monday, September 02, 2013
Crutchfield Customer Review (What's this?)
 
These are great speakers if you are looking for a midrange upgrade from factory speakers. The sound quality is good and there is hardly any bass distortion.
Pros:
Good sound quality. Slim to none bass distortion. Easy to install.
Cons:
Haven't experienced anything bad with them yet.
1 out of 1 people found this helpful
Was this review helpful?    Yes | No
 
5 out of 5

Alpine SPR-50

Written By Rob, Rio Rancho NM on Wednesday, August 07, 2013
Crutchfield Customer Review (What's this?)
 
Went in a 2013 ford F-150 and the stock stereo came alive. With 6 by 8's in the front powered by a 4/300 Rockford amp. WOW what a difference. The type R 6 by 8's were a little too deep for the back but thanks to the pro's at Crutchfied they let me know.Included the exact hardware that made installation a breeze. Thanks again Crutchfied. Worth every penny.
Pros:
Everything
Cons:
Nothing
1 out of 1 people found this helpful
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For a more in-depth review and enhanced detailed information on the Alpine SPR-50, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_500SPR50/Alpine-SPR-50.html ).

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Compare with other Alpine models

  • Alpine SPR-50
  • More power handling, better bass
  • 5 out of 5: In Stock
  • The Alpine SPR-50 speakers offer:
    • multi-layer hybrid fiber woofer cone gives better bass
    • higher power handling
    • larger 1" swiveling silk dome tweeter
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    $199.99
  • Alpine SPS-510
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    • The Alpine SPS-510 offers:
      • mineral-fortified polypropylene woofer cone with rubber surround
      • 3/4" silk dome tweeter
      • 2-55 watts RMS power range
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  • Alpine SPR-50
  • 5-1/4" 2-way Speakers
  • 5 out of 5: In Stock
    • The Alpine SPR-50 offers:
      • multi-layer hybrid fiber woofers with rubber surrounds
      • 1" swiveling silk dome tweeters
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