Celestion F28
| Brand | Celestion |
| Model | F28 |
| Drivers | |
| Woofer | 2x165mm (6.5”) special coated paper cone |
| Woofer diameter (mm) | 165 |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | 25mm (1”) Neo aluminium dome |
| Tweeter diameter (mm) | 25 |
| Frequency response | 45 Hz – 20000 Hz +2 −2 dB |
| Enclosure | Ported |
| Sensitivity (dB) | 89 |
| Impedance (Ω) | 8 |
| Recommended amplifier power, least (W) | |
| Recommended amplifier power, most (W) | 120 |
| Built-in amplifier power (W) | |
| Height (mm) | 850 |
| Width (mm) | 221 |
| Depth (mm) | 282 |
| Weight (kg) | 14.7 |