MartinLogan Motion XT F100 vs Sonus faber Lumina III
The MartinLogan Motion XT F100 is more sensitive (92 dB vs 89 dB), so it plays louder per watt, plays lower (31 Hz vs 40 Hz) and costs less ($2,500 vs $3,000).
What each one works with
Checked against every product in our catalogue by the same engine as the compatibility checker.
| Motion XT F100 | Lumina III | |
|---|---|---|
| Receivers and amps that drive it | 28 of 29, 14 after a setting change | 28 of 29, 14 after a setting change |
Specs side by side
Values that differ are bold. A dash means that model doesn't publish the spec.
| Motion XT F100 | Lumina III | |
|---|---|---|
| Impedance | 4 Ω | 4 Ω |
| Sensitivity | 92 dB | 89 dB (2.83 V, 1 m) |
| Low end | 31 Hz | 40 Hz |
| Drivers | 1 × 32 mm, 1 × 165 mm, 3 × 165 mm | 1 × 29 mm, 1 × 150 mm, 2 × 150 mm |
| Size | 13×48×15 in | 9×39×11 in |
| Recommended amplifier power | 20–450 W | 50–250 W |
| Weight | 34.5 kg (76.1 lb) | 15.9 kg (35.1 lb) |
| MSRP | $2,500 each (MSRP, September 2026) | $3,000 a pair (MSRP, September 2026) |
Every spec and pairing: MartinLogan Motion XT F100, Sonus faber Lumina III.
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References
- MartinLogan Motion XT F100: Spec sheet, martinlogan.com, retrieved September 15, 2026
- MartinLogan Motion XT F100: Retailer listing, audioadvice.com, retrieved September 15, 2026
- Sonus faber Lumina III: Manufacturer product page, sonusfaber.com, retrieved September 15, 2026
- Sonus faber Lumina III: Retailer listing, skybygramophone.com, retrieved September 15, 2026
- Sonus faber Lumina III: Retailer listing, paragonsns.com, retrieved September 15, 2026
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