Front view — side by side at true scale
ASonus Faber Lumina IIBCastle Avon 1
| A | B | |
|---|---|---|
| Manufacturer | Sonus Faber | Castle |
| Model | Sonus Faber Lumina II | Castle Avon 1 |
| Height | 304 mm | 320 mm |
| Width | 179 mm | 180 mm |
| Depth | 263 mm | 260 mm |
| Weight | 5.8 kg | 5.8 kg |
| Enclosure | bass-reflex-front | transmission-line |
| Drivers | 1× 29 mm tweeter (DAD soft dome), 1× 150 mm mid-bass (paper cone) | 1× 130 mm mid-bass, 1× tweeter (ribbon) |
| Frequency — low | 55 Hz | 60 Hz |
| Frequency — high | 24000 Hz | 20000 Hz |
| Sensitivity | 86 dB | 87 dB |
| Impedance | 4 Ω | 8 Ω |
| Recommended amp | 30–150 W | 25–100 W |
| MAP (USD) | $1,499 / pair | — |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | sonusfaber.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.

