Electro-Dynamic Unit
| Brand | Fox |
| Manufacturer | Fox Engineering Co. |
| Function | Speaker (Compression Driver) |
| Produced | 1930-193? |
| Country | United States |
| Form Factor | Part |
| Signal Path | Analog Hardware |
| Magnet Type | Field Coil |
| Brand | Fox |
| Manufacturer | Fox Engineering Co. |
| Function | Speaker (Compression Driver) |
| Produced | 1930-193? |
| Country | United States |
| Form Factor | Part |
| Signal Path | Analog Hardware |
| Magnet Type | Field Coil |