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: 422 mm (42.2 cm) · 1 mm = 1.33 px
KEF R3 MetavsSonus Faber Lumina I
The KEF R3 Meta stands 42.2 cm tall — about 14.2 cm more than the Sonus Faber Lumina I at 28.0 cm. On footprint the KEF R3 Meta is the wider cabinet (20.0 cm versus 14.8 cm). At 87 dB against 84 dB, the KEF R3 Meta is the easier load to drive and plays louder from the same amplifier. The KEF R3 Meta reaches deeper in the bass, down to 58 Hz versus 65 Hz. Low frequencies come from a 165 mm cone on the KEF R3 Meta and a 120 mm cone on the Sonus Faber Lumina I. On price, the KEF R3 Meta sits higher — about $2,999 a pair against $999 for the Sonus Faber Lumina I.
| A | B | |
|---|---|---|
| Manufacturer | KEF | Sonus Faber |
| Model | R3 Meta | Lumina I |
| HiFi ladder position | #190 of 255 bookshelf | #31 of 255 bookshelf |
| Height | 422 mm | 280 mm |
| Width | 200 mm | 148 mm |
| Depth | 336 mm | 213 mm |
| Weight | 12.4 kg | 4.4 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 25 mm tweeter (MAT aluminium dome), 1× 125 mm midrange (aluminium cone), 1× 165 mm woofer (hybrid aluminium cone) | 1× 29 mm tweeter (DAD soft dome), 1× 120 mm mid-bass (paper cone) |
| Crossover frequency | 420 / 2300 Hz | 2000 Hz |
| Frequency — low | 58 Hz | 65 Hz |
| Frequency — high | 28000 Hz | 24000 Hz |
| Sensitivity | 87 dB | 84 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | 15–180 W | 30–100 W |
| MAP (USD) | $2,999 / pair | $999 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | international.kef.com ↗ | sonusfaber.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.