604 Valencia
| Brand | Altec, Altec Lansing |
| Function | Speaker |
| Produced | 1983 |
| Country | United States |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 69.9 × 75.6 × 48.3 cm (W × H × D) |
| Driver | 15" Coaxial Horn/Paper Cone (Altec 604-8KS) |
| Impedance (Nominal) | 8Ω |
| Enclosure Type | Bass Reflex |
| Finish | Walnut |
| MSRP (1983) | ¥398,000 |