620B Custom
| Brand | Altec, Altec Lansing |
| Manufacturer | BAES |
| Function | Speaker |
| Produced | 1980 |
| Form Factor | Floorstanding / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 66 × 102 × 46 cm (W × H × D) |
| Weight | 68.5kg |
| Frequency Response | 20Hz-20kHz |
| Driver | 15" Coaxial Horn/Paper Cone (Altec 604-8H Custom) |
| Sensitivity (New JIS) | 103dB |
| Impedance (Nominal) | 8Ω |
| Crossover Frequency | 1.5kHz |
| Power Handling (Nominal) | 65W |
| Enclosure Type | Bass Reflex |
| MSRP (1980) | ¥430,000 |