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: 305 mm (30.5 cm) · 1 mm = 1.84 px
Castle Richmond IVvsKEF Q1 Meta
The Castle Richmond IV and the KEF Q1 Meta stand at nearly the same height, around 30.5 cm tall. On footprint the Castle Richmond IV is the wider cabinet (19.0 cm versus 18.0 cm). At 87 dB against 86 dB, the Castle Richmond IV is the easier load to drive and plays louder from the same amplifier. The KEF Q1 Meta reaches deeper in the bass, down to 51 Hz versus 58 Hz. Low frequencies come from a 150 mm cone on the Castle Richmond IV and a 130 mm cone on the KEF Q1 Meta. Both land in a similar price bracket, around $755 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Castle | KEF |
| Model | Castle Richmond IV | KEF Q1 Meta Meta |
| Height | 305 mm | 302 mm |
| Width | 190 mm | 180 mm |
| Depth | 262 mm | 277 mm |
| Weight | 6.3 kg | 6.1 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 150 mm mid-bass, 1× 32 mm tweeter (soft dome) | 1× 25 mm tweeter (MAT aluminium dome), 1× 130 mm mid-bass (aluminium cone) |
| Frequency — low | 58 Hz | 51 Hz |
| Frequency — high | 22000 Hz | 20000 Hz |
| Sensitivity | 87 dB | 86 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 25–100 W | 10–150 W |
| MAP (USD) | $760 / pair | $749 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | castle.uk.com ↗ | international.kef.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.