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: 1561 mm (156.1 cm) · 1 mm = 0.36 px
MartinLogan Expression ESL 13AvsParadigm Persona 9H
The MartinLogan Expression ESL 13A stands 156.1 cm tall — about 24.1 cm more than the Paradigm Persona 9H at 132.0 cm. On footprint the MartinLogan Expression ESL 13A is the wider cabinet (33.9 cm versus 31.0 cm). At 93 dB against 91 dB, the Paradigm Persona 9H is the easier load to drive and plays louder from the same amplifier. The Paradigm Persona 9H reaches deeper in the bass, down to 19 Hz versus 24 Hz. Low frequencies come from a 254 mm cone on the MartinLogan Expression ESL 13A and a 215 mm cone on the Paradigm Persona 9H. On price, the Paradigm Persona 9H sits higher — about $35,000 a pair against $14,995 for the MartinLogan Expression ESL 13A.
| A | B | |
|---|---|---|
| Manufacturer | MartinLogan | Paradigm |
| Model | MartinLogan Expression ESL 13A | Paradigm Persona 9H |
| Height | 1561 mm | 1320 mm |
| Width | 339 mm | 310 mm |
| Depth | 699 mm | 520 mm |
| Weight | 46.8 kg | 86 kg |
| Enclosure | sealed | sealed |
| Drivers | 1× midrange (electrostatic (XStat CLS)), 2× 254 mm woofer (aluminium cone) | 1× 25 mm tweeter (Truextent beryllium dome), 1× 178 mm midrange (Truextent beryllium cone), 4× 215 mm woofer (X-PAL cone) |
| Frequency — low | 24 Hz | 19 Hz |
| Frequency — high | 23000 Hz | 45000 Hz |
| Sensitivity | 91 dB | 93 dB |
| Impedance | 4 Ω | 8 Ω |
| Recommended amp | 20–600 W | 15–500 W |
| MAP (USD) | $14,995 / pair | $35,000 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | martinlogan.com ↗ | paradigm.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.