Plasma speaker
id:
plasma-speaker-244-10151409
title:
Plasma speaker
text:
Plasma speakers or ionophones are a form of loudspeaker which varies air pressure via an electrical plasma instead of a solid diaphragm. The plasma arc heats the surrounding air causing it to expand. Varying the electrical signal that drives the plasma and connected to the output of an audio amplifier, the plasma size varies which in turn varies the expansion of the surrounding air creating sound waves. The plasma is typically in the form of a glow discharge and acts as a massless radiating elem
brand slug:
wiki
category slug:
encyclopedia
description:
Loudspeaker
original url:
https://en.wikipedia.org/wiki/Plasma_speaker
date created:
date modified:
2024-04-18T00:07:17Z
main entity:
{"identifier":"Q123262","url":"https://www.wikidata.org/entity/Q123262"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/a/ac/Moeller_Plasma.jpg","width":722,"height":798}
fields total:
13
integrity:
15