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: 1213 mm (121.3 cm) · 1 mm = 0.46 px
MartinLogan Motion XT F100vsSonus Faber Sonetto III G2
The MartinLogan Motion XT F100 stands 121.3 cm tall — about 14.5 cm more than the Sonus Faber Sonetto III G2 at 106.8 cm. On footprint the MartinLogan Motion XT F100 is the wider cabinet (31.8 cm versus 28.8 cm). At 92 dB against 88 dB, the MartinLogan Motion XT F100 is the easier load to drive and plays louder from the same amplifier. The MartinLogan Motion XT F100 reaches deeper in the bass, down to 31 Hz versus 38 Hz. Both land in a similar price bracket, around $4,500 a pair.
| A | B | |
|---|---|---|
| Manufacturer | MartinLogan | Sonus Faber |
| Model | Motion XT F100 | Sonetto III G2 G2 |
| HiFi ladder position | #210 of 281 floorstander | #107 of 281 floorstander |
| Height | 1213 mm | 1068 mm |
| Width | 318 mm | 288 mm |
| Depth | 343 mm | 350 mm |
| Weight | 34.5 kg | 25.8 kg |
| Enclosure | bass-reflex-down | bass-reflex-down |
| Drivers | 1× tweeter (Folded Motion XT (AMT)), 1× 165 mm midrange (Nomex-reinforced Kevlar cone), 3× 165 mm woofer (aluminium cone) | 1× 28 mm tweeter (DAD Arrow Point soft dome), 1× 165 mm mid-bass (paper cone), 1× 165 mm woofer (paper cone) |
| Frequency — low | 31 Hz | 38 Hz |
| Frequency — high | 25000 Hz | 40000 Hz |
| Sensitivity | 92 dB | 88 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | 20–450 W | 50–280 W |
| MAP (USD) | $4,500 / pair | $4,500 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | martinlogan.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.