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Front view — side by side at true scale
T+A Solitaire S 530vsATC SCM100SL
The T+A Solitaire S 530 stands 128.0 cm tall — about 44.6 cm more than the ATC SCM100SL at 83.4 cm. On footprint the ATC SCM100SL is the wider cabinet (40.0 cm versus 26.0 cm). At 88 dB against 86 dB, the ATC SCM100SL is the easier load to drive and plays louder from the same amplifier. The T+A Solitaire S 530 reaches deeper in the bass, down to 29 Hz versus 35 Hz. Low frequencies come from a 220 mm cone on the T+A Solitaire S 530 and a 314 mm cone on the ATC SCM100SL. On price, the T+A Solitaire S 530 sits higher — about $44,900 a pair against $36,999 for the ATC SCM100SL.
| A | B | |
|---|---|---|
| Manufacturer | T+A | ATC |
| Model | Solitaire S 530 | SCM100SL |
| HiFi ladder position | #227 of 276 floorstander | #7 of 276 floorstander |
| Height | 1280 mm | 834 mm |
| Width | 260 mm | 400 mm |
| Depth | 450 mm | 530 mm |
| Weight | 60 kg | 52.1 kg |
| Enclosure | bass-reflex-down | sealed |
| Drivers | 1× tweeter (magnetostat), 7× 90 mm midrange (StarStabilizer), 2× 220 mm woofer (aluminium) | 1× 25 mm tweeter (soft dome), 1× 75 mm midrange (soft dome), 1× 314 mm woofer (cone) |
| Frequency — low | 29 Hz | 35 Hz |
| Frequency — high | 45000 Hz | 22000 Hz |
| Sensitivity | 86 dB | 88 dB |
| Impedance | 4 Ω | 8 Ω |
| Recommended amp | — | 100–1500 W |
| MAP (USD) | $44,900 / pair | $36,999 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | ta-hifi.de ↗ | atc.audio ↗ |
| 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.

