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cone speaker

    0.01 sec.
cone speaker [′kōn ‚spēk·ər]
(engineering acoustics)


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The basketball's sound device utilizes a microcontroller, amplifier, dynamic cone speaker, hearing aid batteries, and a custom electronic circuit board, all enclosed in an aluminum tube, which replaced the self-inflating pump that was originally inserted in the Spalding Infusion basketball.
Giant turntables connected through some fancy cable to tube equipment and a small floorstanding cone speaker system was the norm this year.
This portable system features aluminum cone speakers and an LCD screen that displays the time, day, month, year, and room temperature.
 
 
 
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