MartinLogan ElectroMotion® ESL

ElectroMotion ESL X by MartinLogan 

Overview

The MartinLogan ElectroMotion ESL X redefines value and performance in the electrostatic loudspeaker category, offering advanced audio technologies in a compact, elegant design. With its larger XStat™ electrostatic transducer and twin 8-inch woofers, the ESL X provides stunning clarity, precision, and impactful bass. Designed for audiophiles and music lovers alike, this loudspeaker delivers MartinLogan’s signature sound at a more accessible price.

Key Features

• Enhanced Electrostatic Panel:

  • Equipped with a 40-inch tall XStat™ CLS™ (Curvilinear Line Source) electrostatic transducer.

  • Radiating area of 344 in²—over 50 in² larger than the EM-ESL model—for superior detail and expansive sound.

  • Proprietary horizontal curvature ensures optimal high-frequency dispersion.

• Dual 8-Inch Woofers:

  • Audiophile-grade doped-fiber cone woofers deliver dynamic, low-distortion bass.

  • Housed in a non-resonant, asymmetrical bass reflex chamber for enhanced performance.

  • Custom driver design minimizes cone flexure and improves response time for clean, accurate low-end reproduction.

• CLS™ Technology:

  • MartinLogan’s patented CLS™ technology ensures uniform sound dispersion without sacrificing clarity or tonal accuracy.

• High-Quality Components:

  • Features custom-wound audio transformers, air-core coils, and large steel laminate inductors.

  • Polyester and low DF electrolytic capacitors ensure faithful signal reproduction.

Performance

• Frequency Response: 41 Hz – 22 kHz ±3dB for immersive full-range audio.

• Sensitivity: 91 dB/2.83 volts/meter for efficient operation with various amplifiers.

• Impedance: Nominal 6Ω, compatible with amplifiers rated for 4, 6, or 8Ω.

• Dispersion:

  • Horizontal: 30° for pinpoint imaging.

  • Vertical: 40" line source for even sound distribution across a wide area.

Specifications

• Crossover Frequency: 400 Hz for seamless integration of electrostatic and woofer output.

• Power Requirements: Operates efficiently with amplifiers ranging from 20–400 watts per channel.

• Signal Inputs: Custom tool-less 5-way bi-wire binding posts for secure, versatile connections.

Dimensions and Weight

• Dimensions: 59.2" x 9.4" x 20.7" (150.3 cm x 23.8 cm x 52.6 cm).

• Weight: 52 lbs. (23.6 kg), ensuring easy placement and stability.