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Compare speakers at true scale
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Front view — side by side at true scale
T+A Solitaire S 540vsSonus Faber Stradivari G2
The T+A Solitaire S 540 stands 148.0 cm tall — about 10.6 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 32.0 cm). At 92 dB against 88 dB, the Sonus Faber Stradivari G2 is the easier load to drive and plays louder from the same amplifier. The T+A Solitaire S 540 reaches deeper in the bass, down to 20 Hz versus 25 Hz. Low frequencies come from a 220 mm cone on the T+A Solitaire S 540 and a 260 mm cone on the Sonus Faber Stradivari G2. Both land in a similar price bracket, around $52,450 a pair.
| A | B | |
|---|---|---|
| Manufacturer | T+A | Sonus Faber |
| Model | Solitaire S 540 | Stradivari G2 G2 |
| HiFi ladder position | #258 of 276 floorstander | #248 of 276 floorstander |
| Height | 1480 mm | 1374 mm |
| Width | 320 mm | 707 mm |
| Depth | 520 mm | 428 mm |
| Weight | 80 kg | 81.5 kg |
| Enclosure | sealed | bass-reflex-down |
| Drivers | 1× tweeter (magnetostat), 7× 90 mm midrange (StarStabilizer), 4× 220 mm woofer (aluminium) | 1× 28 mm tweeter (H28 XTR soft dome with DAD), 1× 150 mm midrange (paper cone), 2× 260 mm woofer (paper cone) |
| Frequency — low | 20 Hz | 25 Hz |
| Frequency — high | 45000 Hz | 35000 Hz |
| Sensitivity | 88 dB | 92 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | — | 100–600 W |
| MAP (USD) | $54,900 / pair | $50,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | ta-hifi.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.

