Front view — side by side at true scale
AParadigm Founder 120HBMartinLogan Expression ESL 13A
Click either cabinet to swap A ↔ B · Reference height: 1561 mm (156.1 cm) · 1 mm = 0.36 px
| A | B | |
|---|---|---|
| Manufacturer | Paradigm | MartinLogan |
| Model | Paradigm Founder 120H | MartinLogan Expression ESL 13A |
| Height | 1153 mm | 1561 mm |
| Width | 356 mm | 339 mm |
| Depth | 441 mm | 699 mm |
| Weight | 41.7 kg | 46.8 kg |
| Enclosure | bass-reflex-rear | sealed |
| Drivers | 1× 25 mm tweeter (AL-MAC ceramic dome), 1× 152 mm midrange (AL-MAG cone), 3× 215 mm woofer (CARBON-X cone) | 1× midrange (electrostatic (XStat CLS)), 2× 254 mm woofer (aluminium cone) |
| Frequency — low | 22 Hz | 24 Hz |
| Frequency — high | 23000 Hz | 23000 Hz |
| Sensitivity | 92 dB | 91 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 15–400 W | 20–600 W |
| MAP (USD) | $8,500 / pair | $14,995 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | paradigm.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.