Electrostatic stereo headphones with energizer (1974-78)
The Marantz SE-1's diaphragm assembly has an extremely low mass - about one two-thousandth that of the average dynamic headphone voice coil/diaphragm assembly.
The diaphragm consists of an extremely thin metallized membrane which is positioned within the gap formed by two metal plates.
The diaphragm and plates form a capacitor, a polarising voltage being applied between the plates and the diaphragm.
This polarising voltage is modulated by the audio signals and the changes in the field intensity, which causes changes in forces acting upon the diaphragm, resulting in motion.
Type: electrostatic headphone
Frequency Response: 20Hz to 20kHz
Maximum sound output level: 115dB
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