Volume Formula:
From: | To: |
Subwoofer box volume refers to the internal air space of an enclosure measured in cubic feet. Proper volume is crucial for optimal subwoofer performance, affecting frequency response, power handling, and sound quality.
The calculator uses the standard volume formula:
Where:
Explanation: The formula converts cubic inches to cubic feet by dividing by 1728 (12 × 12 × 12).
Details: Correct enclosure volume ensures the subwoofer performs as designed by the manufacturer. Too small a box can cause poor bass response and potential damage, while too large a box can reduce power handling and control.
Tips: Measure internal dimensions in inches. Account for subwoofer displacement and bracing if calculating net volume. All values must be positive numbers.
Q1: Should I use internal or external dimensions?
A: Always use internal dimensions for volume calculations. Subtract material thickness (typically 0.75") from external measurements.
Q2: What is net volume vs gross volume?
A: Gross volume is the total internal space. Net volume subtracts the space taken by the subwoofer, ports, and bracing.
Q3: How does box volume affect sound?
A: Smaller boxes produce tighter, more controlled bass but require more power. Larger boxes produce deeper bass with less power but may sound boomy.
Q4: What volume is recommended for my subwoofer?
A: Consult your subwoofer's specifications sheet for the manufacturer's recommended enclosure volume.
Q5: How do I account for port displacement?
A: Calculate the volume of the port (length × width × height) and subtract it from the gross internal volume.