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Calcimator

Subwoofer Enclosure Calculator

Calculate box volume and port dimensions for sealed or ported subwoofer enclosures.

Inputs

in
L
Hz

Results

Box Volume

19.2 L

Box Volume0.68 ft³
Port Tuning Freq25 Hz
Port Length0 in
Est. F3 (-3dB point)22 Hz
How to Use This Calculator
  1. Enter Driver Diameter, Vas (Compliance Volume), and Qts (Total Q).
  2. Set Fs (Resonant Frequency) and Type (0=Sealed, 1=Ported).
  3. Review the Box Volume (L) result.
  4. Use Box Volume (ft³) and Port Tuning Freq (Hz) to inform your decision.
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