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13 cards from this deck
Convert electrical signals into sound
Work in reverse to microphones
Through a coil of wire
A permanent magnet
Interaction between magnetic fields of coil and magnet
The cone (or diaphragm)
Cone creates pressure variations in air
Similar function but on a smaller scale
Where electric current flows
Provides magnetic field to interact with coil
Moves to create sound waves
Use a moving coil and magnet
Use electrically charged plates and diaphragm
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