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H6 - Federal Item Name Directory
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40837
LOUDSPEAKER,CRYSTAL
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FIIG: A11600
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Entry Date: Sep-30-1988
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Concept: 1
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Status: A
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Applicability: A
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Type: 0
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Definition: A loudspeaker whose diaphragm movements are produced by the piezoelectric (crystal) element through which audio frequency current is flowing.
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Basic INC: 70166
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Basic Name: LOUDSPEAKER
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Description: 1. An item designed to convert audio frequency electrical energy into acoustic energy which it projects over a distance. It may include one or more drivers, horns, attenuators, or transformers. It may be cased or include mounting.
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Corresponding NIINs: 13
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