🎵 音乐
倒相管长度计算器
Enter box volume, tuning frequency, and port diameter to compute the port length.
Result will appear here
公式
Lv = (23562.5 · d² · n) ÷ (fb² · Vb) − 0.823 · d
🎵 音乐
Enter box volume, tuning frequency, and port diameter to compute the port length.
Result will appear here
Lv = (23562.5 · d² · n) ÷ (fb² · Vb) − 0.823 · d