D-3
| Brand | Design Acoustics |
| Designer | George Sioles |
| Function | Speaker |
| Country | United States |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 30.5 × 63.5 × 29.2 cm (W × H × D) |
| Frequency Response | 40Hz-20kHz ±3.5dB |
| Treble | 1" Dome |
| Midrange | 5" Paper Cone |
| Bass | 10" Paper Cone |
| Crossover Frequencies | 500Hz, 2.5kHz |
| Enclosure Type | Bass Reflex |
| Recommended Amplifier Power (RMS) | 30-100W |
| Finish | Walnut |
| MSRP (1979) | $210 |
| Connections |
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