Speak & Spell
| Brand | Texas Instruments |
| Function | Synthesizer (A toy to teach children spelling that is often used to add synthesised speech to music.) |
| Produced | 1978-1980 |
| Country | USA |
| Model ID | Type 1 |
| Form Factor | Portable |
| Signal Path | Digital Hardware |
| Weight | 474 g |
| Power | 4 x C Batteries |
| Links | Datamath |
| Notes | This is the first model with button keys, it was later replaced with a membrane keypad. |