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MartinLogan Ethos Electrostatic Loudspeakers Frequency Response 34–23,000 Hz ± 3dB Sensitivity 92 dB/2.83 volts/meter Impedance 4 Ohms, 0.8 @ 20 kHz. Compatible with 4, 6, or 8 Ohm rated amplifiers Crossover Frequency 375 Hz High/Mid Frequency Driver 44” x 9.2” (111.8 x 23.4 cm) CLS XStat electrostatic (2,616 cm2) Low Frequency Drivers 8” (20.3 cm) 200 watt Powered Force aluminum cone woofer and poly cone passive radiator Recommended Amplifier Power 20–500 watts per channel Weight 19 kg per channel Dimensions (HxWxD) 150.7 x 27.3 x 46.3 cm boxes &covers, spikes and rubber feet. Condition: Exc
This A$2,750 asking price for the MartinLogan Ethos is a genuine bargain, sitting well below the typical used market range of roughly A$3,000 to A$4,500 per pair. With new units originally priced around A$10,500–A$11,000 (converted from USD), finding them used for under A$2,800 represents a steep discount, likely near the 25th percentile of current listings.
The Ethos is a superb value in electrostats, praised for its forward, explicit sound projection and quick charge-up time that enhances lifespan. Its hybrid design delivers dynamic, detailed bass down to 34Hz via a 200-watt PoweredForce woofer, while the improved XStat™ stators reduce sound obstruction. For a fellow enthusiast, this clean listing offers a rare opportunity to own high-end Reserve ESL technology with original-owner pedigree and no immediate caveats, making it a standout buying opportunity rather than a risky ask.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
MartinLogan emerged in the late 1970s from Lawrence, Kansas, when Gayle Martin Sanders and Ron Logan Sutherland, sharing a passion for electrostatic loudspeakers, united their engineering and design expertise. The duo, whose middle names inspired the brand, unveiled their breakthrough at the 1983 CES with the Monolith—the world's first practical hybrid electrostatic speaker, blending a curved panel for mids and highs with a dynamic woofer for bass. This American innovation addressed longstanding electrostatic limitations like fragility and poor low-end response, propelling the company from a high-end audio store collaboration to a dedicated manufacturing powerhouse.
The brand specializes in electrostatic and hybrid speakers, from flagship floorstanders like the CLX and Summit X to more accessible Motion Series designs, alongside complementary powered subwoofers and select electronics. Their proprietary thin-film transducers, advanced panel assembly, and room-optimized engineering define a lineup that prioritizes transparency and precision over conventional dynamic drivers, eschewing amplifiers, turntables, DACs, headphones, or cables.
Positioned firmly in the high-end market, MartinLogan commands respect among discerning audiophiles for its unwavering commitment to electrostatic purity, delivering ethereal soundstaging and timbral accuracy that make cabinets vanish. Now part of the PML group alongside Paradigm and Anthem, it blends Kansas heritage with rigorous innovation, appealing to buyers seeking reference-level realism in home audio and theater systems.
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