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King Sound KS-H3 Electrostatic Headphones

Special Price $395.00 Regular Price $650.00

Sold Out & Discontinued.

The KS-H3 headphones have a new, improved headband, drivers, and a superior sound than the original, KS-H1.

"(the KS-H3 & M20 are)...unmistakably a high-resolution headphone experience...transparency, extraordinarily low distortion, and sensitive dynamic resolution...with special regard for harmonic richness and tonal integrity" Headphone.Guru Review, Chris Sommovigo.

"the...KS-H3 headphones and the amp...bring a new level of transparency and musical enjoyment to headphone listening...(they) are highly resolving, superbly balanced and wonderfully musical...," Frank Alles, Stereo Times Review.

Headphone.Guru Review by Chris Sommovigo - Sept. 2014

You must use an electrostatic headphone amp to drive electrostatic headphones.

A traditional amplifier will not work. See electrostatic headphone technology explained here in depth.

Product Box
How do Electrostatic headphones and speakers work?
The electrostatic loudspeaker is very simple in concept, but difficult to construct successfully in practice. lts operation relies on electrostatic attraction and repulsion, in much the same way as a piece of thin paper attracted to a rubber balloon that is charged by rubbing it against fabric.

The electrically charged ultra-thin conductive film diaphragm is tensioned and placed close between two metal grids. When a high voltage audio signal is applied to the metal grids, the diaphragm moves in response to the signal, moving towards the grid which at that instant is oppositely charged, and away from the grid which has the same charge as the diaphragm. The diaphragm responds in an essentially linear manner, producing sound waves which are a very accurate reproduction of the original sound.
Why is it better?
Imagine a normal speaker as a point source, from which the sound waves produced diffract at a great angle. This causes rapid decrease in volume and quality over a short distance. Then imagine a flat electrostatic panel producing sound from the same input signal. This time the sound waves are produced over a large, flat area, therefore they have very little diffraction and the volume decreases much less over the same distance.


Product Reviews

Frequency Response 6Hz - 46KHz
Electrostatic Capacity 140pF
Impedence   113kΩ (at 10kHz)
Sensitivity 109 dB (at 100vrms)
Maximum Output Sound Level 116dB
Standard Bias Voltage 550Vdc
Weight   0.46kg

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