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: 368 mm (36.8 cm) · 1 mm = 1.52 px
KEF Q3 MetavsParadigm Founder 40B
The Paradigm Founder 40B stands 36.8 cm tall — about 1.1 cm more than the KEF Q3 Meta at 35.7 cm. At 89 dB against 87 dB, the Paradigm Founder 40B is the easier load to drive and plays louder from the same amplifier. The KEF Q3 Meta reaches deeper in the bass, down to 49 Hz versus 69 Hz. Low frequencies come from a 165 mm cone on the KEF Q3 Meta and a 152 mm cone on the Paradigm Founder 40B. On price, the Paradigm Founder 40B sits higher — about $2,200 a pair against $999 for the KEF Q3 Meta.
| A | B | |
|---|---|---|
| Manufacturer | KEF | Paradigm |
| Model | Q3 Meta | Founder 40B |
| HiFi ladder position | #120 of 255 bookshelf | #135 of 255 bookshelf |
| Height | 357 mm | 368 mm |
| Width | 210 mm | 216 mm |
| Depth | 305 mm | 320 mm |
| Weight | 8.2 kg | 5.1 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (MAT aluminium dome), 1× 165 mm mid-bass (aluminium cone) | 1× 25 mm tweeter (AL-MAC ceramic dome), 1× 152 mm mid-bass (AL-MAG cone) |
| Crossover frequency | 2000 Hz | 1600 Hz |
| Frequency — low | 49 Hz | 69 Hz |
| Frequency — high | 20000 Hz | 23000 Hz |
| Sensitivity | 87 dB | 89 dB |
| Impedance | 4 Ω | 8 Ω |
| Recommended amp | 15–150 W | 15–150 W |
| MAP (USD) | $999 / pair | $2,200 / 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.