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Infinity Reference R152

Bookshelf speakers

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  • Infinity Reference R152

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Item #: 108R152
 
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Original price $349.99
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Our take on the Infinity Reference R152

by Dave Bar
Infinity

Why choose bookshelf speakers?

Bookshelf speakers may be small in size, but they can deliver surprisingly big sound. Some ultra-compact models even fit on a desktop. Most are right at home in tight spaces like shelves, so they're usually good choices for your home theater's rear channels. For the best performance, try placing bookshelf speakers on solid speaker stands to help the sound really "open up." If you want full bass impact, add a powered subwoofer and enjoy punchy sound that's as deeply satisfying as that of floor-standing speakers.

Sleek design, powerful sound

For over 45 years, Infinity speakers have thrilled listeners with their innovative designs and compelling, lifelike sound. The Reference R152 follows in that tradition of excellence with powerful, finely detailed sound that comes wrapped in a sleek, modern-looking package. Each compact cabinet features a 5-1/4" driver for punchy bass and clear mids, plus a 1" dome tweeter for outstanding high-frequency definition. Use a pair for stereo music in smaller rooms, or as your front channels in a compact, high-performance surround sound system.

High-tech CMMD™ drivers for exhilarating performance

Infinity Reference R152

Infinity Reference speakers owe their open, natural sound to Infinity's patented Ceramic Metal Matrix Diaphragm driver material. CMMD combines layers of ceramic with a stiff metal core for crystal-clear sonic performance. It's strong and durable, yet incredibly lightweight and responsive to provide the accuracy needed to hear your music the way it was recorded.  

The R152s' 1" CMMD dome tweeters deliver crisp, sparkling highs. Their Advanced Waveguide design provides better high-frequency dispersion for smooth, seamless sound across a wide listening area. You'll enjoy excellent clarity and definition, even when sitting in a less than an optimal location.

The speakers' tight, responsive bass and dynamic midrange come courtesy of Infinity's 5-1/4" CMMD high-output woofers and tuned-port enclosures. Infinity carefully computer-optimized the crossover networks, as well as each driver's position within the cabinet, to ensure the most precise, natural, and stable imaging and soundstaging possible.

Infinity Reference family

Build a complete Reference system

The Infinity ReferenceR152's convenient bookshelf design means you can enjoy dramatic and well-defined sound in just about any room. Use a pair to create a high-quality stereo system, or use them with Infinity's RC252 center channel speaker and RS152 surround channel speakers  to create a stunning Reference home theater system. And don't forget to add the perfectly matched Reference SUB R10 powered subwoofer to get deep, accurate bass in the mix.

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Highlights:

  • frequency response: 60-22,000 Hz
  • sensitivity: 87 dB
  • impedance: 8 ohms
  • recommended amplifier power: 20-125 watts
  • CMMD (Ceramic Metal Matrix Diaphragm) cone technology for accurate, low-distortion sound
  • 1" CMMD tweeter with Advanced Waveguide for smooth, detailed high frequencies across a wide listening area
  • 5-1/4" CMMD high-output woofer for powerful, low-distortion bass
  • bass reflex (ported) design
  • computer-optimized driver positioning and crossover network Integration for accurate sound and lifelike imaging
  • gold-plated five way binding post speaker terminals
  • black woodgrain vinyl finish
  • 6-15/16"W x 13-1/2"H x 10"D
  • weight: 12.8 lbs. (each)
  • warranty: 5 years
  • Our 60-day money-back guarantee

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

Features and Specs
Enclosure
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Bass Reflex
Video Shielded
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No
Tweeter Type
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Dome
Tweeter Size (inches)
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1
Midrange Size (inches)
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N/A
Woofer Size (inches)
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5.25
Woofer Composition
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CMMD
Woofer Surround
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Rubber
Power Range
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20-125
Sensitivity
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87 dB
Impedance (Ohms)
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8
Frequency Response
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60-22k Hz
Connector Type
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5-way post
Bi-amp Inputs
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No
Height (inches)
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13-1/2
Width (inches)
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6-15/16
Depth (inches)
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10
Weight (pounds)
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12.8
Mounting Bracket Included
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No
Recommended Stand Height (inches)
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30-31
Parts Warranty
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5 Years
Labor Warranty
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5 Years
Product Research
What's in the box?

  • 2 Bookshelf loudspeakers
  • 2 Grilles
  • 8 Self-adhesive rubber feet
  • Owner's Manual

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

2-Way Speaker Design: The Infinity Reference series R152 bookshelf loudspeaker utilizes a two-way speaker design with a single 1" CMMD tweeter that features an advanced image control waveguide and one 5.25" CMMD high-output woofer for natural, balanced sound.

Advanced Image Control Waveguide: The R152's tweeter utilizes an advanced image control waveguide to deliver, more even high frequency response, no matter what part of the room you're in. The unique geometry of this waveguide delivers remarkable high frequency detail, imaging, and natural balance at nearly any listening position in a broad range of acoustic environments.

CMMD Technology: Infinity utilizes Ceramic Metal Matrix Diaphragm (CMMD) technology in the tweeter and woofer that is much stiffer with more damping than standard metal speaker diaphragms.

  • For the tweeter, CMMD technology offers superior stiffness and damping compared to traditional metal domes, that provides a significant boost to the high frequency range.
  • For the woofer, CMMD offers exceptional pistonic operation over the entire usable range of the driver, completely eliminating unwanted coloration and distortion of the sound.

Bass Reflex Cabinet: The Infinity Reference series bookshelf loudspeaker utilizes a bass reflex enclosure with a rear-firing port for greater efficiency and bigger bass response. The Infinity R152 employs a extremely low resonance enclosure, so you hear the music exactly as it was intended. The R152 features a black wood grain vinyl cabinet that matches almost any decor. The speaker comes with a removable black cloth grille with a rigid plastic frame.

Binding Posts: The 5-way binding posts will accept bare wire, pin connectors, spade connectors, banana plugs, and dual banana plugs. The speaker's binding posts are color-coded (red/black) for easy identification between positive and negative.

Mounting Options: The Infinity R152 comes with four self-adhesive rubber feet for each speaker to help secure them in place to prevent slippage and vibration. The rubber feet add approximately 0.1875" to the overall height of the speaker. There are no threaded inserts or keyhole slots on the back panel of the speaker for wall-mounting. However, you can use the optional PinPoint heavy duty side-grip wall-mounting bracket system (121AM40B, sold separately) to wall mount the speakers.

Placement: For best results, place the speakers 6' to 8' apart and angle each speaker toward the listening position. Position each speaker so that the tweeter is approximately at ear level. Generally, bass output will increase as the speakers are moved closer to a wall or corner.

 
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Add accessories for the Infinity Reference R152

You'll need speaker wire to connect your speakers to your amp or receiver. No wire is included with this speaker. See all categories & accessories

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For a more in-depth review and enhanced detailed information on the Infinity Reference R152, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_108R152/Infinity-Reference-R152.html ).