TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — overlaid at true scale
Click either cabinet to swap A ↔ B · Reference height: 1029 mm (102.9 cm) · 1 mm = 0.54 px
SVS Prime PinnaclevsCastle Knight 4
The SVS Prime Pinnacle stands 102.9 cm tall — about 12.9 cm more than the Castle Knight 4 at 90.0 cm. On footprint the SVS Prime Pinnacle is the wider cabinet (20.1 cm versus 16.5 cm). At 90 dB against 88 dB, the Castle Knight 4 is the easier load to drive and plays louder from the same amplifier. The SVS Prime Pinnacle reaches deeper in the bass, down to 29 Hz versus 36 Hz. Low frequencies come from a 165 mm cone on the SVS Prime Pinnacle and a 130 mm cone on the Castle Knight 4. Both land in a similar price bracket, around $1,010 a pair.
| A | B | |
|---|---|---|
| Manufacturer | SVS | Castle |
| Model | SVS Prime Pinnacle | Castle Knight 4 |
| Height | 1029 mm | 900 mm |
| Width | 201 mm | 165 mm |
| Depth | 340 mm | 270 mm |
| Weight | 25.9 kg | 12.5 kg |
| Enclosure | bass-reflex-rear | transmission-line |
| Drivers | 1× 25 mm tweeter (aluminium-dome), 1× 133 mm midrange (composite glass-fibre cone), 3× 165 mm woofer (polypropylene cone) | 2× 130 mm mid-bass, 1× 25 mm tweeter (soft dome) |
| Frequency — low | 29 Hz | 36 Hz |
| Frequency — high | 25000 Hz | 24000 Hz |
| Sensitivity | 88 dB | 90 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 20–300 W | 25–150 W |
| MAP (USD) | $999.99 each | $1,020 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | svsound.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.