Ein Lautsprecher ist ein Ger\u00e4t, das ein elektrisches Signal in ein Tonsignal umwandelt, und die Authentizit\u00e4t der Wiederherstellung ist ein wichtiges Kriterium zur Bewertung der Leistung des Lautsprechers.<\/p>\n
Lautsprecher k\u00f6nnen je nach Klangprinzip und innerem Aufbau in verschiedene Typen unterteilt werden: invertierte, geschlossene, flache, Horn-, Labyrinth- usw. Lautsprecher. Die wichtigsten Formen sind geschlossene und invertierte.
\nDer geschlossene Lautsprecher wird auf einer geschlossenen Box installiert und hat einen relativ geringen Wirkungsgrad.
\nDer Unterschied zwischen bel\u00fcfteten Lautsprechern und diesem besteht darin, dass sie mit einer kreisf\u00f6rmigen Bel\u00fcftungs\u00f6ffnung an der Vorder- oder R\u00fcckseite ausgestattet sind. Sie arbeiten nach dem Prinzip des Helmholtz-Resonators und bieten die Vorteile hoher Empfindlichkeit, hoher Leistungstoleranz und eines gro\u00dfen Dynamikbereichs. Da die Schallwelle auf der R\u00fcckseite des Lautsprechers ebenfalls durch die Phasenf\u00fchrungs\u00f6ffnung abgegeben wird, ist auch sein Wirkungsgrad h\u00f6her als der eines luftdichten Geh\u00e4uses. In einem geeigneten Invertergeh\u00e4use installiert, erreicht derselbe Lautsprecher einen um 3 dB h\u00f6heren Niederfrequenzschalldruck als ein geschlossenes Geh\u00e4use gleichen Volumens, was sich positiv auf die Leistung des Niederfrequenzbereichs auswirkt.<\/p>\n
Dies ist auch ein wichtiger Grund f\u00fcr die gro\u00dfe Beliebtheit der Wechselrichterbox.<\/p>","protected":false},"excerpt":{"rendered":"
A speaker is a device that restores an electrical signal to a sound signal, and the authenticity of the restoration 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