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Crutchfield

PSB Alpha B1

Bookshelf speakers

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  • PSB Alpha B1

    Front

  • PSB Alpha B1

  • PSB Alpha B1

    Shown on stand (grille off) - not included

  • PSB Alpha B1

    Shown on stand - not included

 

Our take on the PSB Alpha B1

by Kristen Schaub
PSB

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.

Compact, budget-friendly speakers

The Alpha B1s will show you what high-end sound is all about, but at a low-end price. Like every PSB speaker, they're designed to make sure you don't miss all the thrilling special effects and emotionally engaging sounds in your movies and music. You'll be amazed by their ability to produce clean, clear highs and mids that make your movies and music come to life. It's no wonder they're among PSB's best-selling speakers.


Excellence by design

PSB's engineers began by designing each Alpha speaker from scratch to ensure that they'll deliver the same level of performance typically found on speakers twice their price. The Alpha B1s use a 3/4" aluminum dome tweeter to deliver crisp, sparkling highs. The 5-1/4" woofers are made of metalized polypropylene, making them strong but lightweight. It means you'll hear excellent midrange detail and distinct bass without a trace of the listening fatigue that can happen with lesser speakers.

Build a complete Alpha system

Create a complete, budget-friendly Alpha home theater system using a combination of Alpha B1s in the front of your room, the C1 center channel, and either another pair of B1s or the LR1 satellite speakers in the back of your room. And don't forget to add a PSB powered subwoofer (or two) for room-thumping bass.


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Highlights:

  • frequency response: 65-21,000 Hz (±3dB)
  • sensitivity: 91 dB
  • impedance: 6 ohms
  • recommended power: 15-90 watts
  • 3/4" aluminum dome tweeter
  • 5-1/4" clay metalized polypropylene woofer
  • bass reflex (ported) design
  • gold-plated five-way binding posts
  • keyhole slot and dual threaded inserts for optional wall mounting
  • black ash vinyl finish
  • 7"W x 11-3/4"H x 9-11/16"D (each)
  • weight: 10.2 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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Yes
Tweeter Type
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Dome
Tweeter Size (inches)
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0.75
Midrange Size (inches)
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N/A
Woofer Size (inches)
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5.25
Woofer Composition
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Polypropylene
Woofer Surround
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Rubber
Power Range
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15-90
Sensitivity
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91 dB
Impedance (Ohms)
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6
Frequency Response
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65-21,000 Hz
Connector Type
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5-way post
Bi-amp Inputs
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No
Height (inches)
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11-3/4
Width (inches)
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7
Depth (inches)
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9-11/16
Weight (pounds)
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10.2
Mounting Bracket Included
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Keyhole
Recommended Stand Height (inches)
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24-28
Parts Warranty
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5 Years
Labor Warranty
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5 Years
Product Research
What's in the box?

Download owner's manual

  • 2 Bookshelf loudspeakers
  • 2 Detachable grilles (installed)
  • 8 Self-adhesive rubber feet
  • Owner's Manual (En/Fre/Sp/GE)
  • Limited Warranty information

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.

Driver Technology
Enclosure Design
Connections
Mounting Options
Specifications

Driver Technology

Two-Way Design: The PSB Alpha Series B1 bookshelf loudspeaker features a true two-way design that employs a single 5.25" mid-woofer paired with a single .75" ferrofluid-cooled tweeter. The result is an extremely tight sound with excellent imaging characteristics

5.25" Woofer: Each PSB Alpha Series B1 speaker employs a 5.25" injection molded metalized polypropylene woofer with rubber surround for accurate, detailed midbass.

0.75" Tweeter: Each Alpha Series B1 loudspeaker is equipped with a 0.75" aluminum dome, ferrofluid-cooled tweeter for crisp, clear highs.

Waveguide: The B1 bookshelf speaker's tweeters utilize an acoustical waveguide to deliver, more even high frequency response, no matter what part of the room you're in.

Crossover Network: The tweeter and woofer are crossed over at 3,000 Hz.

Magnetically Shielded: The B1 is magnetically shielded for safe placement adjacent to your television.

Enclosure Design

Wood Grain Vinyl Cabinet: The PSB Alpha Series B1 bookshelf speaker features a black wood grain vinyl cabinet that matches almost any decor.

Bass Reflex Design: The PSB B1 loudspeaker utilizes a bass reflex enclosure with a rear-firing port for greater efficiency and bigger bass response.

Aluminum Grille: The speakers come with removable aluminum (metal-mesh) black grilles.

Connections

5-Way Binding Posts: The 5-way binding posts will accept bare wire (up to 12-gauge), pin connectors, spade connectors, banana plugs, and dual banana plugs.

Color-Coded: The speaker's binding posts are color-coded (red/black) for easy identification between positive and negative.

Mounting Options

Rubber Feet: The PSB B1 loudspeakers include eight self-adhesive rubber feet to safely and securely place the speakers on floor-stands or other AV furniture.

Wall Mounting: Each PSB Alpha Series B1bookshelf speaker features a single keyhole slot and dual 1/4"-20 threaded insert to wall-mount the speaker.

  • Keyhole Slot: Each Alpha Series B1 speaker has a single keyhole slot on the back panel to easily wall-mount the speakers.
  • 1/4"-20 Threaded Inserts: Each B1 loudspeaker also features dual 1/4"-20 threaded inserts to wall-mount the speakers using optional articulating brackets (sold separately).

Specifications

Frequency Response:

  • On Axis @ 0°: 65-21,000 Hz (+/-3dB)
  • Off Axis @ 30°: 65-10,000 Hz (+/-3dB)
  • Low Frequency Cutoff -10 dB: 55 Hz

Sensitivity:

  • Anechoic Chamber:  89 dB
  • Typical Listening Room: 92 dB

Internal Volume: 0.29 cu ft

 
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PSB Alpha B1 Reviews

Average Customer Review:

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Filter by rating:
5 out of 5

Amazing sound in a small package

Written By ChrisW, Maidens, VA on Thursday, March 20, 2014
 
I'm blown away by the musicality and sound space of the small, entry level speakers.
Pros:
Simply fabulous in the mid-range, especially on vocals and instruments like the clarinet, violin, etc.. The sound space is great as well - "sounds like you're there". Big sound, especially in a small or medium sized room.
Cons:
As you would expect from small bookshelf speakers, bass output will be lacking if you are listening to music that wants that. Add a subwoofer in that instance.
Was this review helpful?    Yes | No
 
5 out of 5

Fantastic Bookshelf Speakers

Written By TravisM, Kennewick, WA on Wednesday, March 05, 2014
Crutchfield Customer Review (What's this?)
 
These speakers are incredibly clear. I love the big speaker sound from such a small bookshelf speaker. After listening to many different bookshelf speakers from many differnt manufacturers the PSB Alpha B1 had the best combination of clear, crisp highs and very impressive lows in an econmical package.
Pros:
Space saving design. Well made enclosures. Awesome music/movie sound reproduction.
Cons:
None so far. I've only used them in my home theater for a couple weeks.
Was this review helpful?    Yes | No
 
5 out of 5

Great small speakers

Written By kdd, Durham, NC on Wednesday, February 19, 2014
Crutchfield Customer Review (What's this?)
 
I've only had these speakers for a few weeks now, but I think they are great so far. They are small, but do better on the low end than I would have guessed. I thought I might have needed a subwoofer, but right now, I am not planning on getting one. Another great things about these PSB's is that they are not picky as far as placement.
Was this review helpful?    Yes | No
 
5 out of 5

PSB Alpha B1

Written By LY, Metro-Detroit on Monday, November 18, 2013
 
I purchased a pair of these over 7 years ago for a dedicated 2 channel system. Fantastic budget speakers. Since then, I have incorporated the Alpha B1's into a 5.1 system with 2 Alpha LR1's, a CLR1 center channel speaker and a Velodyne sub that I had purchased in the late 1990's. Explosive dynamics, clear dialog and great surround effects. I still listen to 2 channel on that system, periodically, through the Alpha B1's despite having upgraded my 2 channel system considerably over the years. Next I need to buy a new surround receiver. Crutchfield will be the obvious source.
Pros:
Very neutral and surprising bass extension for their size and price.
Cons:
They really need to be played at slightly higher volume to sound their best so they shouldn't be paired with cheap, low power amplification.
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5 out of 5

As good as everyone says

Written By Jag120, New Jersey on Friday, June 07, 2013
Crutchfield Customer Review (What's this?)
 
Best bang for the buck speaker out there. Fast effortless sound when driven by good electronics. The better the cables and components, the more these speakers shine. It's hard to beat these B1 at this price point.
Pros:
Value. Clean sound & smooth across the range. nice finish
Cons:
Not too keen on the metal grilles
2 out of 2 people found this helpful
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5 out of 5

Outstanding Speakers

Written By Kevin, Purcellville, VA on Monday, May 13, 2013
Crutchfield Customer Review (What's this?)
 
Outstanding quality and sound. I have had larger and smaller versions form the same company and these are the best.
Pros:
Clarity of sound and power.
Cons:
None
2 out of 2 people found this helpful
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5 out of 5

Big Sound

Written By Jeff, Carmel, NY on Friday, February 22, 2013
 
I have very little space In my bedroom, so I needed speakers that could go In front of my TV on Its stand. These PSB`S did the job. Great sound!! Super clear and open!!
Pros:
Small speaker with a big sound!! Great looking. Very open sound. Give these speakers a try.
Cons:
If you need more bass, get a subwoofer. I have a 8 Inch sub that helps to get the real lows.
4 out of 4 people found this helpful
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5 out of 5

Excellent budget speakers

Written By Anonymous, Washington, DC on Friday, January 11, 2013
Crutchfield Customer Review (What's this?)
 
These are excellent budget speakers. You will be surprised how solid and attractive they are. They have a nice soundstage, and a balanced tonality. The bass is not deep, but they are bookshelves, so no one would expect that. I can't imagine someone not being happy with these for the price. I also cannot imagine someone thinking there is a better speaker at this price point. Maybe for a hundred more, you could get a little improvement, but not at this price. Deservedly an audio classic, and the ultimate entry point for anyone looking to lock into audio quality.
5 out of 5 people found this helpful
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4 out of 5

PSB Alpha B1

Written By Rajah., Rockville MD. on Monday, April 30, 2012
Crutchfield Customer Review (What's this?)
 
Reasonably priced and sounds good though I am not a audiophile but has a good ear for music. I have been buying all my electronics from Crutchfield for about 20 years as no one could beat their service and Eddie is my favorite sales advisor.
Pros:
Good base for its size and clarity of music.
Cons:
Struggles a bit with high octaves.
3 out of 6 people found this helpful
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5 out of 5

Surprising sound, modest price

Written By OMS, Falmouth, MA on Friday, November 18, 2011
Crutchfield Customer Review (What's this?)
 
I have to say I've been surprised and impressed by the sound coming from the Alpha B1s, from the overall smoothness and balance to the surprising bass to the mids, which are the "special" strength of this model. I have owned significantly more expensive tower and bookshelf speaker speakers, and the Alphas do not compete on output or size (nor did I expect them to). I would probably also agree with some reviews which have noted that the treble extension is not as effortless as with some bookshelf models starting at about double the price. However, the overall impression is much better than I had expected, and they fill their (moderately-sized) space very admirably for two-channel listening without a sub. The metal grille is also a plus as far as being relatively kid-proof.
Pros:
Mids, overall balance, well-rounded bass. Understated appearance. Very surprising performance from a bookshelf speaker of this price and size.
Cons:
Not much, actually. Maybe it would be nice if Crutchfield carried some of the other finish choices.
15 out of 19 people found this helpful
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Add accessories for the PSB Alpha B1

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

Original Monster Cable With gold pin connectors (15-foot pair)
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Monster Cable SuperFlat™ Mini Decor-friendly speaker cable with gold pin connectors (50-foot spool)
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AudioQuest Type 4 Speaker cables with pre-attached banana connectors (10-foot pair)
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Monster XP Mini Twist-on Pin Connectors 4 pair, 16-gauge (4 pair)
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AudioQuest X2 Speaker Cable 14-gauge cable, connectors optional (30 feet, Gray)
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AudioQuest G2 Speaker Cable 16-gauge cable, connectors optional (30 feet, Gray)
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Monster XPHP™ MKII Speaker cable with clear jacket (100 feet)
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Monster XP® Speaker cable with clear jacket, connectors optional (100 feet)
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Monster XP® Navajo White MkII Speaker cable (50 feet)
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Sanus BF24B Speaker Stands Basic Foundations® — 24"
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Sanus NF24 Speaker Stands Natural Foundations Series IV — 24" (Black lacquer)
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Bell'O SP-224 24" speaker stands
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Pinpoint AM20 Wall- and ceiling-mount speaker bracket (Black)
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Pinpoint AM24 Adjustable wall-mount speaker bracket (Black)
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Pinpoint AM25 Ceiling-mount speaker bracket (Black)
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For a more in-depth review and enhanced detailed information on the PSB Alpha B1, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_760ALPB1B/PSB-Alpha-B1.html ).