Front view — side by side at true scale
AELAC Debut DF53BCastle Knight 3
| A | B | |
|---|---|---|
| Manufacturer | ELAC | Castle |
| Model | ELAC Debut DF53 3.0 | Castle Knight 3 |
| Height | 1030 mm | 820 mm |
| Width | 222 mm | 165 mm |
| Depth | 246 mm | 265 mm |
| Weight | 15.7 kg | 10.7 kg |
| Enclosure | bass-reflex-rear | transmission-line |
| Drivers | 1× 25 mm tweeter (aluminium dome), 1× 133 mm midrange (aramid-fibre cone), 2× 133 mm woofer (aramid-fibre cone) | 1× 130 mm mid-bass, 1× 25 mm tweeter (soft dome) |
| Frequency — low | 38 Hz | 38 Hz |
| Frequency — high | 38000 Hz | 24000 Hz |
| Sensitivity | 87.5 dB | 88 dB |
| Impedance | 6 Ω | 8 Ω |
| Recommended amp | 30–150 W | 15–100 W |
| MAP (USD) | $899 / pair | $770 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | elac.com ↗ | castle.uk.com ↗ |
| Product page | Open product page ↗ | Open product page ↗ |
Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.

