スピーカー
1. speaker
2. LoudspeakerA loudspeaker (or "speaker") is an electroacoustic transducer that produces sound in response to an electrical audio signal input. Non-electrical loudspeakers were developed as accessories to telephone systems, but electronic amplification by vacuum tube made loudspeakers more generally useful. The most common form of loudspeaker uses a paper cone supporting a voice coil electromagnet acting on a permanent magnet, but many other types exist.
Read “Loudspeaker” on English Wikipedia
Read “スピーカー” on Japanese Wikipedia
Read “Loudspeaker” on DBpedia
Read “Loudspeaker” on English Wikipedia
Read “スピーカー” on Japanese Wikipedia
Read “Loudspeaker” on DBpedia
スピーカ
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