Castle Richmond IV - Black Oak

Richmond IV is the next generation of Richmond standmount speakers, a classic 'miniature' which sounds much bigger than its diminutive size would indicate. Based on over 35 years of loudspeaker design experience. For this Anniversary issue, our engineers have investigated every aspect of the Richmond performance to ext
| Brand | Castle |
| Model | Richmond IV - Black Oak |
| Drivers | 150mm bass unit, 32mm Soft Dome tweeter |
| Woofer | |
| Woofer diameter (mm) | |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | |
| Tweeter diameter (mm) | |
| Frequency response | 58 Hz – 22000 Hz |
| Enclosure | Ported |
| Sensitivity (dB) | 87 |
| Impedance (Ω) | |
| Recommended amplifier power, least (W) | 25 |
| Recommended amplifier power, most (W) | 100 |
| Built-in amplifier power (W) | |
| Height (mm) | 305 |
| Width (mm) | 190 |
| Depth (mm) | 262 |
| Weight (kg) | 14.5 |