PSB Alpha B1 Loudspeaker System: On the Bench
By Shane Buettner   •   September, 2006

• 5.1-Channel System Price: $1,286
• Alpha B1 L/R/LS/RS: Two-driver, two-way speake r with one 5.25" metalized polypropylene woofer and one .75" aluminum dome tweeter, $279/pr.
  HWD: 4.25" x 9.75" x 6.25"
• Alpha C1 Center Speaker: Three-driver, two-way center speaker with two 5.25" metalized polypropylene woofers and one .75" aluminum dome tweeter, $229/ea.
  HWD: 7" x 17.8": x 9.25"
• SubSeries 5i subwoofer: 150-Watt powered, vented sub with one 10" polypropylene woofer, line and speaker level inputs, $499/ea.
  HWD: 16.5" x 12.4" x 14.8"

PSB is a stalwart brand for offering high-end performance at a price. The Alpha B1 is the latest incarnation of PSB's minor classic, the Alpha mini-monitor. The new version offers improved driver materials and a tweaked design. Make sure to check out HT's November issue for the full download on how a 5.1-channel system built around these speakers performed for us.