893A Corona
| Brand | Altec Lansing, Altec |
| Manufacturer | LTV Ling Altec, Inc. |
| Function | Speaker |
| Produced | 1968 |
| Country | United States |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Analog Hardware |
| Dimensions | 31.1 × 55.9 × 24.1 cm (W × H × D) |
| Frequency Response | 50Hz-18kHz |
| Treble | 3" Paper Cone (Altec) |
| Midrange/Bass | 10" Paper Cone (Altec) |
| Impedance (Nominal) | 8Ω |
| Crossover Frequency | 2.5kHz |
| Power Handling | 45W |
| Enclosure Type | Sealed |
| Finish | Walnut |
| MSRP (1969) | $89.75 |