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How many watts are required to energize an electrostatic speaker?

April 26, 2017electrostatic Energize speaker watts

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How many watts are required to energize an electrostatic speaker?

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A. Sanders Sound Systems ESLs are far more efficient than any other ESL, and more efficient than most magnetic speakers. A biamplified 10A has a sensitivity of about 94dB, and can be driven with low-power amplifiers. Please keep in mind that no matter how good an amplifier is, if it is clipping, it will not sound clear and effortless. There is no substitute for lots of dynamic headroom. So, we recommend powerful amplifiers (at least 100 watts per channel). Also, “watts” is not an accurate way to measure amplifier performance when driving ESLs. Please see the section of our website that discusses our electrostatic amplifier for further details.