SB-3
| Manufacturer | Technics |
| Function | Speaker (2-Way / Sealed Box) |
| Produced | 1979 |
| Country | Japan |
| Form Factor | Bookshelf / Stand Mounted |
| Dimensions | 237 x 440 x 270 mm |
| Weight | 8.6 kg |
| Power | 50W（DIN）/ 75W（MUSIC） |
| Frequency Response | 45Hz - 35 kHz (-10 dB) |
| Impedance | 8Ω |
| Output Sound Pressure Level | 90dB/W/m |
| The Crossover Frequency | 1500Hz |
| Bass | 22 cm |
| Tweeter | 2.8 cm |