| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 76.2 × 139.7 × 45.7 cm (W × H × D) |
| Weight | 250lbs (Shipped) |
| Frequency Response | 16Hz-25kHz ±5dB |
| Treble | Horn-Loaded Piezo (x2) |
| Midrange | 4.5" Paper Cone (x4) |
| Bass | 12" Paper Cone |
| Low Bass | 15" Paper Cone |
| Sensitivity | 107dB/W/m (In Room, Corner Loaded) |
| Impedance (Nominal) | 4Ω |
| Crossover Frequencies | 400Hz, 4kHz |
| Crossover Slope | 12dB/Oct (Second Order) |
| Maximum Sound Pressure Level (1m) | 130dB |
| Power Handling | 100W |
| Power Handling (Peak) | 200W |
| Enclosure Type | Bass Reflex |
| Finish | Walnut |
| MSRP (1980) | $1440 (MSRP (1981): $1766) |
| Notes | Increased specified sensitivity |