PSB Speakers Alpha B review:

PSB Speakers Alpha B

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4 stars

CNET Editors' Rating

The Good Sweet-sounding medium-size bookshelf speaker; 5.25-inch woofer, 1-inch tweeter; snazzy faux wood finish.

The Bad Rear-mounted port limits placement options.

The Bottom Line PSB's classic speakers get an update and now offer even more amazing sound quality.

Visit manufacturer site for details.

8.0 Overall
  • Design 8.0
  • Features 8.0
  • Performance 8.0


Canadian speaker manufacturers not only have a knack for producing great designs, they do some of their best work at the low end of the price spectrum. In the early '90s, PSB introduced one of the best of that elite range, the Alpha. All of the audiophile magazines went gaga over the humble-looking design, and now PSB has updated this classic, dubbing it the Alpha B--the B standing for bookshelf. This $249-per-pair model offers extraordinary clarity, razor-sharp imaging, and rich sound. OK, the original Alpha sounded sweet, but it was a blah-looking thing: just a plain box with a nonremovable cloth grille. The new speaker's level of fit 'n' finish creams the older model's, and you can get yours in either black or cherrywood-grain vinyl wrap.

We like the gently curved, perforated steel grille--it's a nice styling touch--and the speakers weigh a solid 8.8 pounds each, with measurements of 11.25 inches high, 6.5 inches wide, and 9.25 inches deep. The front and rear baffles are structural plastic while the cabinet itself is fabricated from 0.63-inch-thick medium-density fiberboard.

The Alpha B has a two-way, woofer and tweeter design. A 5.25-inch polypropylene woofer is mated with a 0.75-inch aluminum dome tweeter. Power handling is specified at 10 to 90 watts, though we hammered the little guys with a 125-watt-per-channel amplifier for hours on end without any ill effects. Gold-plated binding posts will accommodate bare speaker wire leads, U-shaped spade connectors, or banana jacks.

Wall mounting is an option; you can use either the keyhole slot or the 1/4-20 brass inserts. Just be aware that the B is a rear-ported design, and wall mounting may affect the speaker's bass response. For the record, we almost always prefer the sound of speakers on floorstands, so check out PSB's dedicated stand for the Alpha B, the SP25i.

The Alpha B is just the beginning of the Alpha series line. There's also a center channel, the Alpha C ($229), essentially an enlarged Alpha B with two (instead of one) 5.25-inch woofers and the same 0.75-inch tweeter; the Alpha T ($549/pair), a tower with the same speaker array as the Alpha C; and the wedge-shaped Alpha S ($399/pair) surround speakers. The Alpha Intro LR and CLR round out the line.

To save some money, you'd use the Alpha Bs (instead of the more expensive Ts) as your front and rear speakers, as well as your surrounds, then add an Alpha C in the center along with PSB's matching SubZero i ($299) subwoofer. For a little more than $1,000, you'd have a superb home-theater speaker system.

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