840A
| Brand | Altec Lansing, Altec |
| Manufacturer | Altec Lansing Corporation, LTV Ling Altec, Inc. |
| Function | Speaker |
| Produced | 1968 |
| Country | United States |
| Form Factor | Floorstanding / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 29.2 × 139.1 × 18.4 cm (W × H × D) |
| Frequency Response | 70Hz-11kHz |
| Driver | 8" Paper Cone (x6) (Altec 403A) |
| Power Handling (Nominal) | 72W |
| Enclosure Construction | 0.75" Birch Plywood |
| Finish | Unfinished Birch |