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Compare speakers at true scale
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References
Front view — overlaid at true scale
ACanton Vento 21BCastle Knight 1
Canton Vento 21vsCastle Knight 1
The Canton Vento 21 stands 30.0 cm tall — about 1.0 cm more than the Castle Knight 1 at 29.0 cm. On footprint the Castle Knight 1 is the wider cabinet (16.5 cm versus 15.1 cm). The Canton Vento 21 reaches deeper in the bass, down to 32 Hz versus 46 Hz. Low frequencies come from a 154 mm cone on the Canton Vento 21 and a 130 mm cone on the Castle Knight 1.
| A | B | |
|---|---|---|
| Manufacturer | Canton | Castle |
| Model | Vento 21 | Knight 1 |
| HiFi ladder position | #42 of 215 bookshelf | #35 of 215 bookshelf |
| Height | 300 mm | 290 mm |
| Width | 151 mm | 165 mm |
| Depth | 270 mm | 265 mm |
| Weight | 6.2 kg | 4.5 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (Black Ceramic dome), 1× 154 mm mid-bass (ATB cone) | 1× 130 mm mid-bass, 1× 25 mm tweeter (soft dome) |
| Frequency — low | 32 Hz | 46 Hz |
| Frequency — high | 40000 Hz | 24000 Hz |
| Sensitivity | — | 88 dB |
| Impedance | 4 Ω | 8 Ω |
| Recommended amp | — | 15–100 W |
| MAP (USD) | — | $380 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | canton.de ↗ | 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.

