Front view — side by side at true scale
ACastle Knight 5BFyne Audio F501E
Click either cabinet to swap A ↔ B · Reference height: 985 mm (98.5 cm) · 1 mm = 0.57 px
| A | B | |
|---|---|---|
| Manufacturer | Castle | Fyne Audio |
| Model | Castle Knight 5 | Fyne Audio F501E |
| Height | 985 mm | 984 mm |
| Width | 200 mm | 250 mm |
| Depth | 335 mm | 294 mm |
| Weight | 20 kg | 17.8 kg |
| Enclosure | transmission-line | bass-reflex-down |
| Drivers | 2× 150 mm mid-bass, 1× 25 mm tweeter (soft dome) | 1× 25 mm tweeter (titanium dome), 1× 150 mm mid-bass (multi-fibre cone), 1× 150 mm woofer (multi-fibre cone) |
| Frequency — low | 30 Hz | 36 Hz |
| Frequency — high | 24000 Hz | 34000 Hz |
| Sensitivity | 91 dB | 90 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 25–200 W | 30–150 W |
| MAP (USD) | $1,280 / pair | $1,270 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | castle.uk.com ↗ | fyneaudio.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.