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發(fā)布時(shí)間: 2015-10-14 19:46
正文摘要:靈敏度又稱聲壓級(jí),是衡量車載揚(yáng)聲器是否容易推動(dòng)時(shí)相當(dāng)重要的指標(biāo),是指給車載揚(yáng)聲器施加1W的輸入功率,在喇叭正前方1米遠(yuǎn)處能產(chǎn)生多少分貝的聲壓值。靈敏度的單位為分貝/瓦/米(dB/W/m),一般以87dB/W/ ... |
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