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Floorstanding loudspeakers — Martin Logan EFX

Description, images, technical data and specifications

Martin Logan EFX
Image source — © Martin Logan

An EFX electrostatic emitters are equipped with a filter made according to the Vojtko proprietary scheme based on audiophile-level technical solutions borrowed from the CLX speaker crossover. The filter is carefully assembled by Martin Logan specialists manually: mounted mounting, capacitors with a polypropylene dielectric, massive coils without a core and a specially designed W-shaped transformer are used. As a result, it is possible to convey the most subtle nuances of the signal, while simultaneously revealing the dynamic potential of any source, even the most demanding on acoustics.

Specifications

  • Model name

    EFX

  • Frequency Response low +/- 3dB (Hz)

    68

  • Frequency Response high +/- 3dB (Hz)

    22 000

  • Sensitivity (dB at 1 W/1m)

    90

  • Impedance (Ohms)

    6

  • Power amplifier requirements (W)

    20 - 300

  • Has internal amplification

    N/A

  • Internal amplification power (W)

    N/A

  • Size (sm)

    123.9 x 23.8 x 16.5

  • Weight (kg)

    11.1

  • Official link

    https://www.martinlogan.com/en/product/efx

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