Port Length Calculator
Calculate the required port length for a speaker enclosure
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How it works: Enter the box volume, tuning frequency, port diameter, and number of ports. The calculator will show the required port length for your speaker box.
Port Length Info
- Formula: L = [(23562.5 × D² × N) / (V × F²)] - (k × D)
- L: Port length (cm)
- D: Port diameter (cm)
- N: Number of ports
- V: Box volume (liters)
- F: Tuning frequency (Hz)
- k: End correction factor (default 0.732)