631A
| Brand | Altec, Altec Lansing |
| Manufacturer | Altec Lansing Corporation |
| Function | Speaker |
| Produced | 1955 |
| Country | United States |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Driver | 15" Paper Cone (Altec 603C) |
| Input | 70V (Transformer: Altec 16166X) |
| Finish | Splatter Web Brown and Gold |