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: 1558 mm (155.8 cm) · 1 mm = 0.36 px
Focal Stella Utopia EM EvovsTAD Reference One TX
The Focal Stella Utopia EM Evo stands 155.8 cm tall — about 26.5 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 53.8 cm). At 94 dB against 90 dB, the Focal Stella Utopia EM Evo is the easier load to drive and plays louder from the same amplifier. Low frequencies come from a 330 mm cone on the Focal Stella Utopia EM Evo and a 250 mm cone on the TAD Reference One TX. Both land in a similar price bracket, around $154,999 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Focal | TAD |
| Model | Stella Utopia EM Evo EM Evo | Reference One TX |
| HiFi ladder position | #267 of 281 floorstander | #234 of 281 floorstander |
| Height | 1558 mm | 1293 mm |
| Width | 538 mm | 554 mm |
| Depth | 830 mm | 698 mm |
| Weight | 170 kg | 150 kg |
| Enclosure | bass-reflex-front | bass-reflex-rear |
| Drivers | 1× 27 mm tweeter (pure beryllium inverted dome), 2× 165 mm midrange (W sandwich cone), 1× 330 mm woofer (W sandwich cone) | 2× 250 mm woofer (aramid), 1× 160 mm midrange (beryllium), 1× 35 mm tweeter (beryllium) |
| Frequency — low | 22 Hz | 21 Hz |
| Frequency — high | 40000 Hz | 100000 Hz |
| Sensitivity | 94 dB | 90 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 50–1000 W | — |
| MAP (USD) | $149,998 / pair | $160,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | focal.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.