Assertion: electrostatic speaker | /r/HasAspect | two fixed plates
Facets:
value: in practice
type: TEMPORAL
value: on either side
type: LOCATION
Source sentences:
text: In practice, electrostatic speakers have two fixed plates on either side and a very thin moving plate (the diaphragm) that vibrates in between them, which is analogous to the moving cone in a traditional magnetic loudspeaker.