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: 58.3 in · 1 in = 9.61 px
T+A Solitaire S 540vsTAD Grand Evolution One
The T+A Solitaire S 540 stands 148.0 cm tall — about 26.8 cm more than the TAD Grand Evolution One at 121.2 cm. On footprint the TAD Grand Evolution One is the wider cabinet (39.4 cm versus 32.0 cm). The T+A Solitaire S 540 reaches deeper in the bass, down to 20 Hz versus 27 Hz. Low frequencies come from a 220 mm cone on the T+A Solitaire S 540 and a 180 mm cone on the TAD Grand Evolution One. On price, the TAD Grand Evolution One sits higher — about $65,000 a pair against $54,900 for the T+A Solitaire S 540.
| A | B | |
|---|---|---|
| Manufacturer | T+A | TAD |
| Model | Solitaire S 540 | Grand Evolution One |
| HiFi ladder position | #263 of 281 floorstander | #209 of 281 floorstander |
| Height | 58.3 in | 47.7 in |
| Width | 12.6 in | 15.5 in |
| Depth | 20.5 in | 21.5 in |
| Weight | 176.4 lb | 141.1 lb |
| Enclosure | sealed | bass-reflex-down |
| Drivers | 1× tweeter (magnetostat), 7× 3.5 in midrange (StarStabilizer), 4× 8.7 in woofer (aluminium) | 2× 7.1 in woofer (aramid), 1× 5.5 in midrange (magnesium), 1× 1.4 in tweeter (beryllium) |
| Frequency — low | 20 Hz | 27 Hz |
| Frequency — high | 45000 Hz | 100000 Hz |
| Sensitivity | 88 dB | 88 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | — | — |
| MAP (USD) | $54,900 / pair | $65,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | ta-hifi.de ↗ | technicalaudiodevices.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.