AS-103A
| Brand | Heathkit |
| Manufacturer | Heath Company, Schlumberger Limited, Acoustic Research |
| Function | Speaker (Kit) |
| Produced | 1973 |
| Country | United States |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 35.6 × 63.5 × 29.8 cm (W × H × D) |
| Weight | 64lbs (Shipped) |
| Frequency Response | 20Hz-20kHz |
| Treble | 0.75" Dome |
| Midrange | 1.5" Dome |
| Bass | 12" Paper Cone |
| Impedance (Nominal) | 4Ω |
| Impedance (Minimum) | 2.75Ω (At 1kHz) |
| Crossover Frequencies | 575Hz, 5kHz |
| Recommended Amplifier Power | 25W |
| Enclosure Type | Sealed |
| Finish | Walnut |
| MSRP (1973) | $189.95 |
| Notes | Heath licensed kit copy of the Acoustic Research AR-3a |