PSB Alpha B1

Bookshelf speakers

Item #: 760ALPB1B

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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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Product 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

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.

Hands-on 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

Product Research

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

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.

PSB Alpha B1 Reviews

Average Customer Review:

16 reviews
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Exactly as expected

Written By JohnP, Los Alamos, NM on Sunday, November 02, 2014

Crutchfield Customer Review (What's this?)

These are exactly as expected, since I already own 2 pair. PSB is my favorite speaker line from top (Stratus Gold i) to bottom (Alpha B1). I own 17 PSB speakers. This is the best speaker for the price, period. I frequently loan out a pair to friends with more expensive but lesser brands. They then buy PSBs. I will use this pair with my Heathkit AR1515 receiver in my den. In a absolute scale, these would be 3 star, but that would not be fair, since 5 stars would be B&W 801 and PSB Stratus Gold i.

Pros: They are easy to drive (high impedance, low reactance), have good range and excellent dynamics. They are inexpensive, and relatively insensitive to room location. You could build a very nice system around these with a good subwoofer to cover the lows. The sound is very smooth, with no apparent emphasis or thinness. No boominess from trying to fake low frequency extension and no stridency on any material I listen with. They also look nice, despite the vinyl finish.

Cons: Low end is missing, but that is the price for a small enclosure, low price, and smooth sound. With a sub, no downsides at all.

Great sound for the height channel

Written By Chuck K, Illinois on Monday, September 22, 2014

Crutchfield Customer Review (What's this?)

I purchased these to add height channels to my existing PSB Image 7.1 system. They match well with the ten year old Images. The height channel really makes a difference.

Pros: Inexpensive

Cons: None

PSB Alpha B1

Written By Mark L., Redding,Ca. on Thursday, September 11, 2014

Crutchfield Customer Review (What's this?)

I purchased these speakers to match up with the PSB surround sound system to make my 7.1 system and WOW.Best purchase I have ever made-Thank you Crutchfield and Will for all your help.

Pros: Pure and Natural sound with all movies and music-Love it

Cons: None

Bargain of the decade

Written By KnutB, Bergen, Norway on Tuesday, July 08, 2014

Bought the last pair available in the store in Bergen and still breaking them in, these small giants reproduce especially fast music like nothing I´ve heard. Listening to Koan´s When the Silence is Speaking, converted by a cheap DacMagic and driven by an old Electrocompaniet AW60 amp, they just pour out a wealth of articulated and detailed music. Some sibilance on female vocals which I´m told will disappear with use. If you come across these just get them.

Sound awesome!

Written By maserman85, Detroit MI on Monday, May 19, 2014

Crutchfield Customer Review (What's this?)

The speakers sound great! Especially for the money

Pros: Sound great, look good, solid construction

Cons: None for the price

Amazing Speakers

Written By Anonymous, Hurricane, WV on Friday, May 16, 2014

Crutchfield Customer Review (What's this?)

Hands down the best pair of speakers you can buy for $300. The professional reviews aren't hype. I bought these as a gift for a friend. After listening to them I wanted to keep them for myself. Very close in sound quality to my $3,000 speakers.

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.

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.

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.

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.

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

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

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.

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.

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.

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.

Get everything you’ll need to enjoy your new PSB Alpha B1

You'll need speaker wire to connect your speakers to your amp or receiver. No wire is included with this speaker.
Add connectors to your bulk speaker wire for a neater, easier, and more reliable installation.
Cut your speaker wire to the exact length you need.
Get your speakers off the floor and at ear level where they are meant to be.
Mount your speakers safely on the wall.
Original Monster Cable

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AudioQuest Type 4

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Monster Cable Dual Banana Speaker Connectors

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Monster XP Mini Twist-on Pin Connectors

Monster XP Mini Twist-on Pin Connectors

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AudioQuest X2 Speaker Cable

AudioQuest X2 Speaker Cable

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AudioQuest G2 Speaker Cable

AudioQuest G2 Speaker Cable

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Monster XPHP™ MKII

Monster XPHP™ MKII

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Sanus BF24B Speaker Stands

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Bell'O SP-224

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Pinpoint AM20

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IsoAcoustics ISO-L8R155 Monitor Stands

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