The JansZen A8-SE Loudspeaker JansZen Laboratory was founded in the 1950s when Arthur Janszen developed the first practical electrostatic loudspeaker. The company, currently called JansZen Audio, is run by his son David, who has continued the research and development culminating in the Valentina A8. The Valentina A8 is a complete audio system containing DAC, ADC, … Continue reading JansZen Valentina A8-SE Loudspeakers [Updated 12-10-2022]