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Canton Reference Alpha 2vsSonus Faber Stradivari G2
The Canton Reference Alpha 2 stands 142.0 cm tall — about 4.6 cm more than the Sonus Faber Stradivari G2 at 137.4 cm. On footprint the Sonus Faber Stradivari G2 is the wider cabinet (70.7 cm versus 37.8 cm). At 92 dB against 89 dB, the Sonus Faber Stradivari G2 is the easier load to drive and plays louder from the same amplifier. The Canton Reference Alpha 2 reaches deeper in the bass, down to 18 Hz versus 25 Hz. Low frequencies come from a 192 mm cone on the Canton Reference Alpha 2 and a 260 mm cone on the Sonus Faber Stradivari G2. Both land in a similar price bracket, around $50,000 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Canton | Sonus Faber |
| Model | Reference Alpha 2 | Stradivari G2 G2 |
| HiFi ladder position | #257 of 281 floorstander | #253 of 281 floorstander |
| Height | 1420 mm | 1374 mm |
| Width | 378 mm | 707 mm |
| Depth | 660 mm | 428 mm |
| Weight | 91 kg | 81.5 kg |
| Enclosure | bass-reflex-down | bass-reflex-down |
| Drivers | 1× 25 mm tweeter (DLC diamond-coated dome), 1× 174 mm midrange (Black Ceramic Tungsten cone), 4× 192 mm woofer (Black Ceramic Tungsten cone) | 1× 28 mm tweeter (H28 XTR soft dome with DAD), 1× 150 mm midrange (paper cone), 2× 260 mm woofer (paper cone) |
| Frequency — low | 18 Hz | 25 Hz |
| Frequency — high | 40000 Hz | 35000 Hz |
| Sensitivity | 89 dB | 92 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | — | 100–600 W |
| MAP (USD) | $50,000 / pair | $50,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | canton.de ↗ | sonusfaber.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.

