| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 37.1 × 67.6 × 30 cm (W × H × D) |
| Weight | 41lbs |
| Frequency Response | 40Hz-23kHz ±2.5dB |
| Treble | 1" Parabolic Dome |
| Midrange/Bass | 10" Paper Cone (12" Frame) |
| Sensitivity | 87dB/W/m |
| Impedance (Nominal) | 8Ω |
| Impedance (Minimum) | 6Ω |
| Crossover Frequency | 1.8kHz |
| Crossover Slope | 18dB/Oct (Third Order) |
| THD (1W, >50Hz) | <1.0% |
| THD (10W, 100Hz) | 3% |
| THD (10W, >100Hz | <1.0% |
| THD (100dB/m, 400Hz) | 3% |
| Dispersion (±1dB, <13kHz) | 30° |
| Power Handling (RMS) | 125W |
| Enclosure Type | Sealed |
| System Resonance | 42Hz ±2Hz |
| Enclosure Construction | High Density Composition Board |
| Finish | Walnut, Natural Oak |
| MSRP (1981) | $249.95 |
