| Model ID | HPD385 |
| Form Factor | Part |
| Signal Path | Passive Hardware |
| Dimensions | 38.7 × 38.7 × 22.9 cm (W × H × D) |
| Weight | Driver: 13kg Crossover: 0.821kg |
| Replacement Woofer Cone | P/N 7900-0008 |
| Replacement Tweeter Diaphragm | P/N 7900-0205 |
| Driver Type | Dual-Concentric Full-Range |
| Frequency Responses | 20Hz-20kHz |
| Sensitivity | 92dB/W/m (In minimum size cabinet in 56m³ room) |
| Rated Power (Continuous Program) | 85W |
| Impedance (Nominal, System) | 8Ω |
| Impedance (Minimum, System) | 5Ω |
| Polar Distribution (60°) | -4dB at 10kHz |
| IMD | <2% |
| Crossover Frequency | 1kHz |
| Crossover Slope | 12dB/Oct |
| Impedance (Woofer) | 8Ω |
| Voice Coil Resistance (Re) (Woofer) | 5.7Ω |
| Impedance (Tweeter) | 16Ω |
| Voice Coil Resistance (Re) (Tweeter) | 10.5Ω |
| Voice Coil Diameter (Woofer) | 2" (50.8mm) |
| Voice Coil Diameter (Tweeter) | 2" (50.8mm) |
| Free Air Resonant Frequency (Fs) (Woofer) | 20Hz |
| Effective Radiating Area (Sd) (Woofer) | 770cm² |
| Woofer Cone Material | Felted Paper, Girdacoustic Struts |
| Surround Material | "Tannoplas" Foam |
| Compression Diaphragm Material | Duralumin |
| Waveguide | PepperPot |
| Horn Cut-Off Frequency | 500Hz |
| Magnet Material | Alcomax 5 (Directed Columnar Crystallized AlNiCo V) |
| Magnet Assembly Weight | 5.9kg |
| Finish (Cover) | High Impact Plastic (Cream) |
| Finish (Frame) | Gold Stove Enamel |
| Finish (Magnet Assembly Parts) | Cadmium Plate |
| Connections | |
| Controls | - Treble Energy (Shelving) (1kHz-20kHz) · Rotary Switch · -2 to 2, 5 Steps
- Treble Roll-Off (Slope) (5kHz-20kHz) · Rotary Switch · 4 Steps
|
| Notes | Monitor High Performance Dual Model 385 |
