| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 39.1 × 67.1 × 39.4 cm (W × H × D) |
| Weight | 58.8lbs |
| Frequency Response | 30Hz-25kHz |
| Super Tweeter | 180° Piezoelectric (High Polymer Molecular film, Part #HP-015A) |
| Treble | 1.75" Paper Cone (Part #45-711A) |
| Midrange | 4" Paper Cone |
| Bass | 12" Cone |
| Impedance (Nominal) | 8Ω |
| Sensitivity | 92.5dB/W/m |
| Crossover Frequencies | 1.2kHz, 4kHz, 12kHz (Network Assembly Part #SWN-117) |
| Crossover Slope | 6dB/Oct (First Order) |
| Minimum Recommended Power | 10W |
| Power Handling (Nominal) | 50W |
| Power Handling (Peak) | 100W |
| Enclosure Type | Bass Reflex |
| Enclosure Construction | Particleboard |
| Finish | Oiled Walnut |
| Connections | |
| Controls | - Midrange Level · Rotary Pot
- Treble Level · Rotary Pot
|
| Notes | Very early HPM-100, very few made. |
