TrueScaleCompare speakers at true scale.
TrueSpecsCompare technical specifications (up to 4 speakers).HiFi LadderBrowse every speaker side by side, ordered by size or by price.HiFi SearchFind speakers by the specs you want.TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — overlaid at true scale
ASonus Faber Olympica Nova IBELAC Concentro S 503.2
Sonus Faber Olympica Nova IvsELAC Concentro S 503.2
The ELAC Concentro S 503.2 stands 40.0 cm tall — about 4.5 cm more than the Sonus Faber Olympica Nova I at 35.5 cm. On footprint the ELAC Concentro S 503.2 is the wider cabinet (21.9 cm versus 19.4 cm). The ELAC Concentro S 503.2 reaches deeper in the bass, down to 40 Hz versus 45 Hz. Low frequencies come from a 150 mm cone on the Sonus Faber Olympica Nova I and a 180 mm cone on the ELAC Concentro S 503.2. Both land in a similar price bracket, around $6,949 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Sonus Faber | ELAC |
| Model | Olympica Nova I | Concentro S 503.2 2.0 |
| HiFi ladder position | #102 of 215 bookshelf | #146 of 215 bookshelf |
| Height | 355 mm | 400 mm |
| Width | 194 mm | 219 mm |
| Depth | 395 mm | 372 mm |
| Weight | 10.5 kg | 13.4 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 28 mm tweeter (H28 XTR3 soft dome), 1× 150 mm mid-bass (MW15 paper cone) | 1× tweeter (JET 6 pleated-folded ribbon), 1× 130 mm midrange (aluminium AS-XR cone), 1× 180 mm woofer (aluminium AS-XR cone) |
| Frequency — low | 45 Hz | 40 Hz |
| Frequency — high | 35000 Hz | 40000 Hz |
| Sensitivity | 87 dB | 87 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | 35–250 W | 60–500 W |
| MAP (USD) | $6,500 / pair | $7,398 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | sonusfaber.com ↗ | elac.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.

