Advent/3
| Brand | Advent |
| Manufacturer | Advent Corporation |
| Function | Speaker |
| Produced | 1976 |
| Country | United States |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 24.1 × 40 × 17.1 cm (W × H × D) |
| Weight | 10.6lbs |
| Treble | 1.75" Paper cone |
| Midrange/Bass | 6" Paper Cone |
| Impedance (Nominal) | 8Ω |
| Crossover Frequency | 1.5kHz |
| Enclosure Type | Sealed |
| Enclosure Construction | Particleboard |
| Finish | Walnut-grain Vinyl |
| MSRP (1976) | $52 |