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References
Front view — side by side at true scale
ATAD Reference One TXBSonus Faber Lilium
TAD Reference One TXvsSonus Faber Lilium
The Sonus Faber Lilium stands 160.0 cm tall — about 30.7 cm more than the TAD Reference One TX at 129.3 cm. On footprint the TAD Reference One TX is the wider cabinet (55.4 cm versus 51.1 cm). At 92 dB against 90 dB, the Sonus Faber Lilium is the easier load to drive and plays louder from the same amplifier. Low frequencies come from a 250 mm cone on the TAD Reference One TX and a 260 mm cone on the Sonus Faber Lilium. On price, the TAD Reference One TX sits higher — about $160,000 a pair against $75,000 for the Sonus Faber Lilium.
| A | B | |
|---|---|---|
| Manufacturer | TAD | Sonus Faber |
| Model | Reference One TX | Lilium |
| HiFi ladder position | #234 of 281 floorstander | #271 of 281 floorstander |
| Height | 1293 mm | 1600 mm |
| Width | 554 mm | 511 mm |
| Depth | 698 mm | 705 mm |
| Weight | 150 kg | 103 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 2× 250 mm woofer (aramid), 1× 160 mm midrange (beryllium), 1× 35 mm tweeter (beryllium) | 1× 28 mm tweeter (H28 XTR soft dome with DAD), 1× 180 mm midrange (M18 paper cone), 3× 180 mm woofer (W18 paper cone), 1× 260 mm woofer (SW26 paper cone) |
| Frequency — low | 21 Hz | 20 Hz |
| Frequency — high | 100000 Hz | 35000 Hz |
| Sensitivity | 90 dB | 92 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | — | 100–800 W |
| MAP (USD) | $160,000 / pair | $75,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | technicalaudiodevices.com ↗ | 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.

