专业的低音炮端口长度计算器,输入端口数量、直径、箱体体积、调谐频率等参数,快速计算通风口长度。适用于DIY音箱设计、低音炮制作,提供精确的端口尺寸计算结果。
{
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"updateDt": 1761672513644,
"hotValue": 0,
"todayChainPv": 0,
"todayGlobalPv": 0,
"americaHotValueDouble": 0,
"globalHotValueDouble": 0,
"todayAmericaPv": 0,
"americaHotValue": 0,
"selectedValueDouble": 791,
"chinaHotValueDouble": 0,
"selectedValue": 791,
"chinaHotValue": 0,
"hotValueDouble": 0
}