AC-11
| Brand | Heathkit |
| Manufacturer | Heath Company, Daystrom, Incorporated |
| Function | Radio Tuner (Multiplex Converter, Kit) |
| Produced | 1961 |
| Country | United States |
| Model ID | Multiplex Converter |
| Signal Path | Analog Hardware |
| Dimensions | 8.9 × 8.6 × 24.9 cm (W × H × D) |
| Weight | 4lbs |
| Frequency Response | 50Hz-15kHz |
| Tube Complement | 12AU7 (x3) |
| MSRP (1961) | $32.50 |
| Channels | 2 Channel |