| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 40.6 × 105.4 × 40.6 cm (W × H × D) |
| Weight | 57kg |
| Frequency Response | 33Hz-25kHz ±3dB |
| Treble | Heil Air-Motion Transformer (Total Radiating Area: 21.5in²) |
| Midrange/Bass | 12" Polypropylene Cone |
| Passive Radiator | 12" Laminated EPS Styrene |
| Sensitivity | 98dB/W/m |
| Impedance (Nominal) | 6Ω |
| Crossover Frequency | 750Hz |
| Crossover Slope | Midrange/Bass: 6dB/Oct, Treble: 12dB/Oct (First Order, Second Order) |
| Enclosure Type | Passive Radiator |
| Enclosure Construction | 32mm MDF |
| Dealer Price (1990) | DM 8.600 |
| Notes | Audio Int'l licensed improvement of the AMT-1D limited to sixteen pairs. |
