PSB :. Alpha Series :. Alpha B Monitor :.
Technical Specifications
Frequency Range
 
On Axis @ 0° ±3dB 65-21,000 Hz
Off Axis @ 30° ±1.5dB 65-10,000 Hz
Lf Cutoff -10dB 55 Hz
Sensitivity
(1w (2.83V) @ 1m,
IEC-filtered Pink Noise,
C-weighted)
 
Anechoic Chamber 89 dB
Typical Listening Room 91 dB
Impedence  
Nominal 8 Ohms
Minimum 6 Ohms
Input Power
(RMS,Clipping < 10% of the Time)
 
Recommended 10-90 Watts
Program 60 Watts
Acoustic Design  
Tweeter(Nominal) 3/4" (19 mm)
Aluminum Dome with Ferrofluid
Woofer (Nominal) 5 1/4" (130 mm)
Polypropylene Cone
Rubber Surround
Crossover 3,000 Hz, B3
Internal Volume Design Type 0.29 cu ft (8.0 liter)
Bass reflex
1 1/2" Rear Port
Video Shielded
Size (W x H x D)  
Milimeters(mm) 165 x 286 x 235 mm
Inches('') 6 1/2 x 11 1/4 x 9 1/4"
Net Weight  
Kilograms(Kgs) 4.0 kg /each
Pounds(lbs) 8.8 lb /each
Shipping Weight  
Kilograms(Kgs) 9.7 kg /pair
Pounds(lbs) 21.4 lb /pair
Finish  
  Black or Light Cherry Woodgrained
Features  
  5-way Gold-plated Binding Posts
Keyhole Slot
1/4-20 Threaded Brass Insert
Aluminum Grille
Clear Rubber Bumpers