| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 61 × 180.3 × 5.1 cm (W × H × D) |
| Frequency Response | 32Hz-40kHz ±3dB |
| Treble | ¼"x55" True Ribbon (2.5µm Aluminum Foil) |
| Midrange | 170in² Planar-Magnetic (Single-Ended) (Aluminum Magnet Wire on Mylar Substrate) |
| Bass | 620in² Planar-Magnetic (Single-Ended) |
| Sensitivity (20Hz-40kHz, Pink Noise) | 83dB/W/m |
| Sensitivity (500Hz) | 85dB/W/m |
| Impedance (Bass) | 4Ω |
| Impedance (Midrange/Treble) | 3Ω |
| Crossover Frequency | Low Pass: 300Hz, High Pass: 500Hz, 3kHz |
| Crossover Slope | Low Pass: 18dB/Oct, High Pass: 12dB/Oct (Third Order, Second Order) |
| Recommended Amplifier Power (RMS) | >50W |
| Power Handling (RMS) | 200W |
| Protection Fuse (3AG) | 1.5A |
| Enclosure Type | Dipole |
| Finish | Solid Oak Frame (Cloth: Off-White, Black or Brown Fabric) |
| MSRP (1986) | $1995 |
| Connections | - Input · Banana · Socket (Female)
|
| Notes | Serial number 062758 and above. Added non-inductive resistor in tweeter circuit to adjust for changes in resistance in the new element for the true ribbon. |
