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
KEF R3 MetavsParadigm Persona B
The Paradigm Persona B stands 43.5 cm tall — about 1.3 cm more than the KEF R3 Meta at 42.2 cm. On footprint the Paradigm Persona B is the wider cabinet (23.1 cm versus 20.0 cm). At 89 dB against 87 dB, the Paradigm Persona B 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 60 Hz. Low frequencies come from a 165 mm cone on the KEF R3 Meta and a 178 mm cone on the Paradigm Persona B. On price, the Paradigm Persona B sits higher — about $10,000 a pair against $2,999 for the KEF R3 Meta.
| A | B | |
|---|---|---|
| Manufacturer | KEF | Paradigm |
| Model | R3 Meta | Persona B |
| HiFi ladder position | #190 of 255 bookshelf | #197 of 255 bookshelf |
| Height | 422 mm | 435 mm |
| Width | 200 mm | 231 mm |
| Depth | 336 mm | 330 mm |
| Weight | 12.4 kg | 14 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (MAT aluminium dome), 1× 125 mm midrange (aluminium cone), 1× 165 mm woofer (hybrid aluminium cone) | 1× 25 mm tweeter (Truextent beryllium dome), 1× 178 mm mid-bass (Truextent beryllium cone) |
| Crossover frequency | 420 / 2300 Hz | 2000 Hz |
| Frequency — low | 58 Hz | 60 Hz |
| Frequency — high | 28000 Hz | 45000 Hz |
| Sensitivity | 87 dB | 89 dB |
| Impedance | 4 Ω | 8 Ω |
| Recommended amp | 15–180 W | 15–250 W |
| MAP (USD) | $2,999 / pair | $10,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | international.kef.com ↗ | paradigm.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.

