Operating specifications for Alpha (AØ) Bookshelf Speakers:
Description: 2-Way bookshelf speaker
Woofers: 5 inch black anodized aluminium cone woofer
Tweeter: 1⅛ inch shielded neodymium soft dome tweeter
Operating power: 40 watts RMS/ 60 watts peak
Speaker impedance: 8 ohms
Response: 57-20,000 Hz(see response and phase chart)
Sensitivity: 90db
Dimensions: 20¼” H, 6½” W, 10⅜” D
Weight: 15.6 lbs