| Model ID | Ronald Hastings Rackham Special Limited Edition |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 70 × 111.5 × 57.5 cm (W × H × D) |
| Frequency Response | 30Hz-20kHz ±3dB |
| Driver | 15" Dual Concentric (3839 R) (Ceramic Magnet, PepperPot Waveguide) |
| Impedance | 8Ω |
| Sensitivity | 92dB/W/M |
| Power Handling (RMS) | 120W |
| Power Handling (Peak) | 500W |
| Crossover Frequency | 1kHz (P/N 1066) |
| Enclosure Type | Rear-Loaded Horn |
| Enclosure Volume | 260l |
| Enclosure Construction | Birch Plywood, Solid Walnut Trim |
| Finish | Walnut and Walnut Burl |
| MSRP (1987) | ¥2,500,000 |
| Connections | |
| Controls | - Treble Energy (Shelving) (1kHz-20kHz) · ±3dB, 5 Steps
- Treble Roll-Off (Slope) (5kHz-20kHz) · +2dB/-6dB, 5 Steps
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