8-58 Duchess
| Brand | Frazier-May, Frazier |
| Manufacturer | International Electronics Corporation |
| Designer | Edmond May, J.A. Frazier |
| Function | Speaker |
| Produced | 1955 |
| Country | United States |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Treble | Horn |
| Midrange/Bass | 8" Paper Cone |
| Crossover Slope | 12dB/Oct (Second Order) |
| Enclosure Type | Horn (Length: 44", Cut-Off: 50Hz) |
| Finish | Blonde, Mahogany |
| Notes | 8-50 with improved tweeter |