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Front view — side by side at true scale
ADali Oberon 9BMartinLogan ElectroMotion ESL
Dali Oberon 9vsMartinLogan ElectroMotion ESL
The MartinLogan ElectroMotion ESL stands 132.3 cm tall — about 15.1 cm more than the Dali Oberon 9 at 117.2 cm. On footprint the Dali Oberon 9 is the wider cabinet (33.6 cm versus 22.9 cm). The Dali Oberon 9 reaches deeper in the bass, down to 35 Hz versus 42 Hz. Low frequencies come from a 229 mm cone on the Dali Oberon 9 and a 203 mm cone on the MartinLogan ElectroMotion ESL. Both land in a similar price bracket, around $2,500 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Dali | MartinLogan |
| Model | Dali Oberon 9 | MartinLogan ElectroMotion ESL |
| Height | 1172 mm | 1323 mm |
| Width | 336 mm | 229 mm |
| Depth | 406 mm | 414 mm |
| Weight | 37.1 kg | 16.1 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 29 mm tweeter (soft textile dome), 1× 178 mm midrange (wood-fibre cone), 2× 229 mm woofer (wood-fibre cone) | 1× midrange (electrostatic (XStat CLS)), 1× 203 mm woofer (doped-fibre cone) |
| Frequency — low | 35 Hz | 42 Hz |
| Frequency — high | 26000 Hz | 22000 Hz |
| Sensitivity | 90.5 dB | 91 dB |
| Impedance | 4 Ω | 6 Ω |
| Recommended amp | 50–400 W | 20–300 W |
| MAP (USD) | $2,499 / pair | $2,500 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | dali-speakers.com ↗ | martinlogan.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.

