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Compare speakers at true scale
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References
Front view — side by side at true scale
AELAC Debut DF53BCastle Knight 3
ELAC Debut DF53vsCastle Knight 3
The ELAC Debut DF53 stands 103.0 cm tall — about 21.0 cm more than the Castle Knight 3 at 82.0 cm. On footprint the ELAC Debut DF53 is the wider cabinet (22.2 cm versus 16.5 cm). The ELAC Debut DF53 is rear-ported and the Castle Knight 3 is a transmission line. On price, the ELAC Debut DF53 sits higher — about $899 a pair against $770 for the Castle Knight 3.
| A | B | |
|---|---|---|
| Manufacturer | ELAC | Castle |
| Model | ELAC Debut DF53 3.0 | Castle Knight 3 |
| Height | 40.6 in | 32.3 in |
| Width | 8.7 in | 6.5 in |
| Depth | 9.7 in | 10.4 in |
| Weight | 34.6 lb | 23.6 lb |
| Enclosure | bass-reflex-rear | transmission-line |
| Drivers | 1× 1 in tweeter (aluminium dome), 1× 5.2 in midrange (aramid-fibre cone), 2× 5.2 in woofer (aramid-fibre cone) | 1× 5.1 in mid-bass, 1× 1 in 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.

