Definition of Braun LE1
The Braun LE1, Loudspeaker Unit 1 (German: Lautsprechereinheit 1), was the first electrostatic loudspeaker available on the German hi-fi market. German electronics company Braun started production in 1960 with the technology licensed from the British Acoustical Manufacturing Co. Ltd. (now known as QUAD Electroacoustics).
The electronics inside were very similar to QUAD's famous ESL-57, however there were differences. While the stators were identical, the transformers and high voltage cascade were specially developed by Braun.
The loudspeakers were fed the audio signal plus a 220 Volt power supply by a special 4-wire cable using any of the following Braun tube amplifiers:
Terms mentioned above
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Frequently asked questions
What is Braun LE1?
The Braun LE1, Loudspeaker Unit 1 (German: Lautsprechereinheit 1), was the first electrostatic loudspeaker available on the German hi-fi market.
Sources & credits
- Wikipedia: Braun LE1 – CC BY-SA 4.0
- Image by René Spitz – CC BY 1.0