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References
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ACanton Reference 2BELAC Concentro S 509.2
Canton Reference 2vsELAC Concentro S 509.2
The ELAC Concentro S 509.2 stands 132.0 cm tall — about 16.0 cm more than the Canton Reference 2 at 116.0 cm. On footprint the Canton Reference 2 is the wider cabinet (35.4 cm versus 29.7 cm). The Canton Reference 2 reaches deeper in the bass, down to 19 Hz versus 22 Hz. Low frequencies come from a 219 mm cone on the Canton Reference 2 and a 180 mm cone on the ELAC Concentro S 509.2. Both land in a similar price bracket, around $20,999 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Canton | ELAC |
| Model | Reference 2 | Concentro S 509.2 2.0 |
| HiFi ladder position | #178 of 281 floorstander | #239 of 281 floorstander |
| Height | 45.7 in | 52 in |
| Width | 13.9 in | 11.7 in |
| Depth | 20.9 in | 18.1 in |
| Weight | 136.7 lb | 94.4 lb |
| Enclosure | bass-reflex-down | bass-reflex-rear |
| Drivers | 1× 1 in tweeter (aluminium-oxide ceramic dome), 1× 6.9 in midrange (Black Ceramic Tungsten cone), 2× 8.6 in woofer (Black Ceramic Tungsten cone) | 1× tweeter (JET 5c pleated-folded ribbon), 1× 5.1 in midrange (aluminium cone), 1× 7.1 in midrange (aluminium AS-XR cone), 4× 7.1 in woofer (aluminium AS cone) |
| Frequency — low | 19 Hz | 22 Hz |
| Frequency — high | 40000 Hz | 50000 Hz |
| Sensitivity | 88 dB | 88 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | — | 60–600 W |
| MAP (USD) | $20,000 / pair | $21,998 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | canton.de ↗ | 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.

