Front view — side by side at true scale
AELAC Debut Reference DFR52BCastle Avon 4
Click either cabinet to swap A ↔ B · Reference height: 1016 mm (101.6 cm) · 1 mm = 0.55 px
| A | B | |
|---|---|---|
| Manufacturer | ELAC | Castle |
| Model | ELAC Debut Reference DFR52 | Castle Avon 4 |
| Height | 1016 mm | 955 mm |
| Width | 234 mm | 180 mm |
| Depth | 242 mm | 310 mm |
| Weight | 16.7 kg | 17.6 kg |
| Enclosure | bass-reflex-front | transmission-line |
| Drivers | 1× 25 mm tweeter (soft dome), 3× 133 mm woofer (aramid-fibre cone) | 1× 130 mm woofer, 1× 115 mm midrange, 1× tweeter (ribbon) |
| Frequency — low | 42 Hz | 45 Hz |
| Frequency — high | 35000 Hz | 20000 Hz |
| Sensitivity | 87 dB | 89 dB |
| Impedance | 6 Ω | 8 Ω |
| Recommended amp | — | 25–100 W |
| MAP (USD) | $1,598 / 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.