TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — overlaid at true scale
Sonus Faber AidavsTAD Reference One TX
The Sonus Faber Aida stands 172.5 cm tall — about 43.2 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 47.0 cm). At 92 dB against 90 dB, the Sonus Faber Aida is the easier load to drive and plays louder from the same amplifier. The Sonus Faber Aida reaches deeper in the bass, down to 18 Hz versus 21 Hz. Low frequencies come from a 320 mm cone on the Sonus Faber Aida and a 250 mm cone on the TAD Reference One TX. Both land in a similar price bracket, around $160,000 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Sonus Faber | TAD |
| Model | Aida | Reference One TX |
| HiFi ladder position | #276 of 281 floorstander | #234 of 281 floorstander |
| Height | 1725 mm | 1293 mm |
| Width | 470 mm | 554 mm |
| Depth | 780 mm | 698 mm |
| Weight | 165 kg | 150 kg |
| Enclosure | bass-reflex-down | bass-reflex-rear |
| Drivers | 1× 28 mm tweeter (H28 XTR soft dome with DAD), 1× 180 mm midrange (M18 paper cone), 2× 220 mm woofer (W22 paper cone), 1× 320 mm woofer (SW32 paper cone) | 2× 250 mm woofer (aramid), 1× 160 mm midrange (beryllium), 1× 35 mm tweeter (beryllium) |
| Frequency — low | 18 Hz | 21 Hz |
| Frequency — high | 35000 Hz | 100000 Hz |
| Sensitivity | 92 dB | 90 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | 100–1000 W | — |
| MAP (USD) | $160,000 / pair | $160,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | sonusfaber.com ↗ | 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.

