Specs Scheme : 2 ways, 2 loudspeaker bass-reflex scheme and a bookshelf type Woofer : Diameter 8 inches (116A) Tweeter : Diameter 2 inches (LE25-2) Network : Exclusive 2 way network Impedance : 8 ohms Cross over frequency : 2500 Hz Sound pressure level : 88 dB (new Japanese Industrial Standard) Allowable input : 35 W (succession special NetWare program) Dimensions (WxHxD) : 27 x 49 x 26 cm Weight : 13 kgs / each Year : 1975