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: 435 mm (43.5 cm) · 1 mm = 1.29 px
KEF LS50 MetavsParadigm Persona B
The Paradigm Persona B stands 43.5 cm tall — about 13.3 cm more than the KEF LS50 Meta at 30.2 cm. On footprint the Paradigm Persona B is the wider cabinet (23.1 cm versus 19.9 cm). At 89 dB against 85 dB, the Paradigm Persona B is the easier load to drive and plays louder from the same amplifier. The Paradigm Persona B reaches deeper in the bass, down to 60 Hz versus 79 Hz. Low frequencies come from a 130 mm cone on the KEF LS50 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 $1,599 for the KEF LS50 Meta.
| A | B | |
|---|---|---|
| Manufacturer | KEF | Paradigm |
| Model | LS50 Meta | Persona B |
| HiFi ladder position | #52 of 255 bookshelf | #197 of 255 bookshelf |
| Height | 302 mm | 435 mm |
| Width | 199 mm | 231 mm |
| Depth | 281 mm | 330 mm |
| Weight | 7.8 kg | 14 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (MAT aluminium dome), 1× 130 mm mid-bass (aluminium cone) | 1× 25 mm tweeter (Truextent beryllium dome), 1× 178 mm mid-bass (Truextent beryllium cone) |
| Crossover frequency | 2100 Hz | 2000 Hz |
| Frequency — low | 79 Hz | 60 Hz |
| Frequency — high | 28000 Hz | 45000 Hz |
| Sensitivity | 85 dB | 89 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 40–100 W | 15–250 W |
| MAP (USD) | $1,599 / 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.