Electric voltage and current waves can go to a solenoid connected to a paper cone {speaker, electronics}|. Waves vibrate solenoid, and vibrations vibrate paper cone to generate sound. Speakers {bass reflex speaker} can have compartments, with a hole to outside. Speakers {air suspension speaker} can be airtight. Speakers {reflecting speaker} can send sound straight in front and reflect sound off walls. Speakers can be for bass {woofer}, middle {mid-range}, and high {tweeter} frequencies.
Practical Affairs>Machine>Kinds>Electronic>Sound
7-Machine-Kinds-Electronic-Sound
Outline of Knowledge Database Home Page
Description of Outline of Knowledge Database
Date Modified: 2022.0224