Un altavoz es un dispositivo que restaura una se\u00f1al el\u00e9ctrica a una se\u00f1al de sonido, y la autenticidad de la restauraci\u00f3n ser\u00e1 un criterio importante para evaluar el rendimiento del altavoz.<\/p>\n
Seg\u00fan los diferentes principios de sonido y estructuras internas, los altavoces se pueden dividir en varios tipos: invertidos, cerrados, planos, de bocina, de laberinto, etc. Las formas m\u00e1s importantes son las cerradas y las invertidas.
\nEl altavoz cerrado consiste en instalar el altavoz en la caja cerrada, y la eficiencia es relativamente baja;
\nLa diferencia entre el altavoz con ventilaci\u00f3n y este radica en que este \u00faltimo cuenta con un orificio de ventilaci\u00f3n circular en el panel frontal o trasero. Funciona seg\u00fan el principio del resonador de Helmholtz y ofrece alta sensibilidad, alta tolerancia a la potencia y amplio rango din\u00e1mico. Dado que la onda sonora en la parte posterior del altavoz tambi\u00e9n se libera a trav\u00e9s del orificio de gu\u00eda de fase, su eficiencia es superior a la de la caja herm\u00e9tica. Adem\u00e1s, el mismo altavoz instalado en una caja inversora adecuada tendr\u00e1 una presi\u00f3n sonora de baja frecuencia 3 dB superior a la obtenida en una caja cerrada del mismo volumen, lo que beneficia el rendimiento de la secci\u00f3n de baja frecuencia.<\/p>\n
As\u00ed que esta es tambi\u00e9n una raz\u00f3n importante por la que la caja inversora es tan popular.<\/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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