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References
Front view — side by side at true scale
ACastle Avon 1BQuad S-2
Click either cabinet to swap A ↔ B · Reference height: 13.0 in · 1 in = 43.10 px
Castle Avon 1vsQuad S-2
The Quad S-2 stands 33.0 cm tall — about 1.0 cm more than the Castle Avon 1 at 32.0 cm. The Quad S-2 reaches deeper in the bass, down to 48 Hz versus 60 Hz. The Castle Avon 1 is a transmission line and the Quad S-2 is rear-ported.
| A | B | |
|---|---|---|
| Manufacturer | Castle | Quad |
| Model | Castle Avon 1 | Quad S-2 |
| Height | 12.6 in | 13 in |
| Width | 7.1 in | 7.1 in |
| Depth | 10.2 in | 10.2 in |
| Weight | 12.8 lb | 13.4 lb |
| Enclosure | transmission-line | bass-reflex-rear |
| Drivers | 1× 5.1 in mid-bass, 1× tweeter (ribbon) | 1× tweeter (ribbon), 1× 4.9 in mid-bass (woven Kevlar cone) |
| Frequency — low | 60 Hz | 48 Hz |
| Frequency — high | 20000 Hz | 22000 Hz |
| Sensitivity | 87 dB | 87 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 25–100 W | 25–150 W |
| MAP (USD) | — | $999 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | castle.uk.com ↗ | quad-hifi.co.uk ↗ |
| 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.