HPM-50
| Brand | Pioneer |
| Manufacturer | Pioneer Electronic Corporation |
| Series | High Polymer Molecular |
| Function | Speaker |
| Produced | 1980 |
| Country | Japan |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 32.5 × 56.9 × 31.8 cm (W × H × D) |
| Weight | 28.6lbs |
| Frequency Response | 35Hz-25kHz |
| Super Tweeter | 180° Piezoelectric (High Polymer Molecular film) |
| Treble | 1.75" Paper Cone |
| Midrange/Bass | 10" Carbonfiber Blended Cone |
| Impedance (Nominal) | 8Ω |
| Sensitivity | 91dB/W/m |
| Sensitivity (DIN, 96dB/1m) | 3.2W |
| Power Handling (Nominal) | 40W |
| Power Handling (Peak) | 80W |
| Enclosure Type | Bass Reflex |
| Enclosure Construction | Particleboard |
| Finish | Black |
| Connections |
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