| Model ID | HPM-900 |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 39.1 × 67.1 × 39.4 cm (W × H × D) |
| Weight | 51.6lbs |
| Frequency Response | 30Hz-50kHz |
| Supertweeter | Horn-loaded Piezoelectric (High Polymer Molecular film, Part #HP-018A) |
| Treble | 1.75" Polymer Graphite Cone |
| Midrange | 4" Polymer Graphite Cone |
| Bass | 12" Polymer Graphite Cone |
| Impedance (Nominal) | 8Ω |
| Sensitivity | 92.5dB/W/m |
| Crossover Frequencies | 2.5kHz, 5.5kHz, 16kHz (Network Assembly Part #SWN-262) |
| Crossover Slope | 12dB/Oct (Second Order) |
| Power Handling (Nominal) | 100W |
| Power Handling (Peak) | 200W |
| Recommended Amplifier Power | 50-270W |
| Enclosure Type | Bass Reflex |
| Enclosure Construction | Particleboard |
| Finish | Walnut-grained Vinyl |
| Connections | |
| Controls | - Midrange Level · Rotary Pot
- Treble Level · Rotary Pot
|
| Notes | U.S.A. market specific model. Crossover revision. |
