Speaker Parameters
From your driver's datasheet
Resonance freqFsHz
Total QQts—
Compliance volVasL
Enter Qts to see sealed vs ported guidance.
Box Parameters
Your enclosure design — you choose these
Box type
Net internal volVbL
Box loss factorQL—
Tuning freqFbHz
−3 dB pointF3—Hz
Port Dimensions
Your port — choose the shape and size
Number of portsn—
Port shape
Port widthWmm
Port heightHmm
Port areaAv—mm²
Equiv. diameterD_eq—mm
Port lengthLv—mm
Needs box volume, tuning, and port size.
Frequency Response
10 Hz – 1 kHz · 4th-order vented
Enter a box volume or press
Suggest a starting box.
Suggest a starting box.
Box Volume (19 mm walls · cubic estimate)
Wall thicknessmm
3/4" ≈ 19 mm
Internal—L
External (gross)—L