ONKYO M88
Made In Japan, 1980

audio-database.com/ONKYO/speaker/m88-e.html

Method 3-Way, 3-Speaker, Bass reflex system, Bookshelf Type
Units Used For Low Band : 28 cm Cone Type (W3041C)
For Middle Range : 10 cm Cone Type (MD1011A)
For High Range : 3 cm Direct Drive Type (TW322A)
Playback frequency band 34 Hz to 70000 Hz
Max Input 100W
Instantaneous maximum input 800W
Impedance 6 Ω
Output sound pressure level 92dB/W/m
Crossover frequency 700 Hz, 4500 Hz (12dB/oct for W, MD, and TW)
Cabinet internal volume 45L
External dimensions Width 320x Height 625x Depth 325 mm
Weight 17.5kg