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PSB Alpha B1

Bookshelf speakers

29 Reviews

Item # 760ALPB1B

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Overview

Our take on the PSB Alpha B1

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.

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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The PSB Alpha B1's are a great speaker for the money. They have more punch than my Epos Epic 2's but they lack a little of the imaging.

Mike, Mobile, AL

What's in the Box:

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

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
Reviews

PSB Alpha B1 Reviews

Average Customer Review(s):

(29 Reviews)
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Details

Hands-on research

Features and Specs

Enclosure Bass Reflex
Video Shielded Yes
Tweeter Type Dome
Tweeter Size (inches) 0.75
Midrange Size (inches) N/A
Woofer Size (inches) 5.25
Woofer Composition Polypropylene
Woofer Surround Rubber
Power Range 15-90
Sensitivity 91 dB
Impedance (Ohms) 6
Frequency Response 65-21,000 Hz
Connector Type 5-way post
Bi-amp Inputs No
Height (inches) 11-3/4
Width (inches) 7
Depth (inches) 9-11/16
Weight (pounds) 10.2
Mounting Bracket Included Keyhole
Recommended Stand Height (inches) 24-28
Parts Warranty 5 Years
Labor Warranty 5 Years

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 verify what’s in the box, 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.

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Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

needed new "bookshelf" speakers [ Donald  Dec 06, 2016 ]
I originally bought these speakers based on the reviews in Stereophile magazine and based on the frequency response curves across the audio band (20-20KHz). It is a flat response speaker. (i.e. no colorations added) This is like the old "AR" speaker sound that I love for my classical music and opera. I am an engineer/audiophile as well as a bass choral singer, so I am very attuned to voice and symphony orchestra music and the way I want it to sound. [ Kelvin  Nov 16, 2016 ]
These match my little surround sound set up, with PSB Alpha 1 RL fronts and a PSB center. [ Les  Mar 06, 2016 ]
I understand these to be good entry level speakers that will work well with the turn table system I'm building [ Ned  Mar 04, 2016 ]
The last time that I had heard these speakers was in 2007 when I was an installer for a high end audio shop (lots of B&W and mangnapans). Obviously they made a large impact on me and were considered by many as the best speaker per dollar on the market. [ Jeremy  Dec 09, 2015 ]
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