TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — side by side at true scale
Click either cabinet to swap A ↔ B · Reference height: 37.6 in · 1 in = 14.89 px
Castle Avon 4vsSVS Prime Tower
The Castle Avon 4 stands 95.5 cm tall — about 4.1 cm more than the SVS Prime Tower at 91.4 cm. On footprint the SVS Prime Tower is the wider cabinet (20.3 cm versus 18.0 cm). At 89 dB against 87 dB, the Castle Avon 4 is the easier load to drive and plays louder from the same amplifier. The SVS Prime Tower reaches deeper in the bass, down to 30 Hz versus 45 Hz. Low frequencies come from a 130 mm cone on the Castle Avon 4 and a 165 mm cone on the SVS Prime Tower.
| A | B | |
|---|---|---|
| Manufacturer | Castle | SVS |
| Model | Castle Avon 4 | SVS Prime Tower |
| Height | 37.6 in | 36 in |
| Width | 7.1 in | 8 in |
| Depth | 12.2 in | 10.8 in |
| Weight | 38.8 lb | 40.1 lb |
| Enclosure | transmission-line | bass-reflex-rear |
| Drivers | 1× 5.1 in woofer, 1× 4.5 in midrange, 1× tweeter (ribbon) | 1× 1 in tweeter (aluminium-dome), 1× 4.5 in midrange (polypropylene cone), 2× 6.5 in woofer (polypropylene cone) |
| Frequency — low | 45 Hz | 30 Hz |
| Frequency — high | 20000 Hz | 25000 Hz |
| Sensitivity | 89 dB | 87 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 25–100 W | 20–250 W |
| MAP (USD) | — | $599.99 each |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | castle.uk.com ↗ | svsound.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.