AD-70
| Brand | Heathkit |
| Manufacturer | Heath Company, Daystrom, Incorporated |
| Function | Tape Machine (Kit) |
| Produced | 1961 |
| Country | United States |
| Signal Path | Analog Hardware |
| Dimensions | 39.4 × 24.1 × 10.2 cm (W × H × D) |
| Weight | 11lbs (Shipped) |
| Speeds (IPS) | 3.75/7.5 |
| Reel Capacity | ≤7" |
| MSRP (1961) | $74.95 |
| Channels | 2 Channel, 4 Track |
| Notes | Same mechanism as TR-1AQ Matching base: ADA-70M, ADA-70W or ADA-70U |