Optimus-50 Oiled Walnut (400-2041) Specifications Faxback Doc. # 15268 Speaker System Frequency Response:............................................50-20,000 Hz Power Handling Capacity:...........................................75 Watts Impedance:...........................................................8 Ohms Speaker Complement:.......................12" (30cm) high-compliance woofer 4" (10cm) open back midrange for more life-like sound 2-1/2" (6.4cm) extended range high Enclosure:...................................Tuned port design for extended bass response removable grille Controls:........................Midrange and High Frequency level controls Dimensions:.............................................25" x 14" x 10" HWD (63 x 35.6 x 25 cm HWD) Shipping Weight:........................................27.4 lbs. (12.4 kg) (ALL-05/17/95)