SANSUI SP-X7 (1982-83年頃) 

Sansui sp-x7
4 Way Loudspeaker System (1981-83)
Specifications
Type: 4 way, 5 driver loudspeaker system
Frequency Response: 30Hz to 22kHz
Power Handling: 200W
Crossover Frequency: 2500, 7000, 15000Hz
Impedance: 8Ω
Sensitivity: 97dB
Bass: 1 x 406mm cone
Midrange: 1 x 121mm cone
Tweeter: 1 x 154x50mm horn
Super Tweeter: 2 x 49mm cone
Enclosure: bass reflex
Finish: walnut grain vinyl
Dimensions: 436 x 682 x 252mm
Weight: 15.9kg