6003
| Brand | Advent |
| Manufacturer | ESMARK Company |
| Function | Speaker |
| Produced | 1983-1985 |
| Country | United States |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 55.9 × 83.2 × 22.2 cm (W × H × D) |
| Weight | 55lbs |
| Frequency Response | 40Hz-23kHz ±2.5dB |
| Treble | 1" Parabolic Dome |
| Midrange | 5" Polypropylene Ring/Dome (Central Dome: 2") |
| Bass | 10" Paper Cone |
| Sensitivity | 88.5dB/W/m |
| Impedance (Nominal) | 8Ω |
| Impedance (Minimum) | 5Ω |
| Crossover Frequencies | 750Hz, 4.5kHz |
| Enclosure Type | Sealed |
| Enclosure Construction | High Density Composition Board |
| Finish | Walnut |
| MSRP (1983) | $379.95 |