bn:00015417n
Noun Concept
Categories: All articles with vague or ambiguous time, Sound recording, 19th-century inventions, American inventions, Television technology
EN
condenser microphone  capacitor microphone  capacitor mike  condenser mike
EN
Microphone consisting of a capacitor with one plate fixed and the other forming the diaphragm moved by sound waves WordNet 3.0
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EN
Microphone consisting of a capacitor with one plate fixed and the other forming the diaphragm moved by sound waves WordNet 3.0 & Open English WordNet