Driver TechnologyEnclosure DesignConnectionsMounting OptionsSpecifications
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,
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.
Wood Grain Vinyl Cabinet: The PSB Alpha Series B1
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.
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
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
- Keyhole Slot: Each Alpha Series B1
speaker has a single keyhole slot on the back panel to easily wall-mount
- 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).
- On Axis @ 0°: 65-21,000 Hz (+/-3dB)
- Off Axis @ 30°: 65-10,000 Hz (+/-3dB)
- Low Frequency Cutoff -10 dB: 55 Hz
- Anechoic Chamber: 89 dB
- Typical Listening Room: 92 dB
Internal Volume: 0.29 cu ft
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