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Tuning Frequency (unit of measure - hertz)

To move the speaker to the left wall, you must specify a negative value.ĭistance Between Subwoofers (единица измерения - миллиметры) This is the horizontal offset of the woofer relative to center of the box. Offset Relative to Center (unit of measure - inch) You can use the following approximations: Most manufacturers provide this spec in the woofer's datasheet. This displacement is added as a factor to the total internal volume. If you want to compensate for the volume taken up by the woofer, you can use this parameter. Woofer Displacement (unit of measure - cubic feet) This is the depth of the woofer when secured to the outside of the front panel. This is the hole cutout needed to "drop-in" a woofer and secure it to the front panel. This is the number of woofers in the box. This is the thickness of a wood (MDF or plywood). Material Thickness (unit of measure - inch) Include Vb (net internal volume) + woofer/port displacement. This parameter is automatically calculated. Total Internal Volume (unit of measure - cubic feet) 4.24 до 6.00 cubic feet for one 18 inch woofer.2.47 до 4.24 cubic feet for one 15 inch woofer.1.66 до 2.75 cubic feet for one 12 inch woofer.1.20 до 1.62 cubic feet for one 10 inch woofer.0.71 до 1.17 cubic feet for one 8 inch woofer.You can use the following approximations for ported box: 2.05 to 2.83 cubic feet for one 18 inch woofer.1.34 to 2.01 cubic feet for one 15 inch woofer.0.85 to 1.31 cubic feet for one 12 inch woofer.0.46 to 0.81 cubic feet for one 10 inch woofer.0.28 to 0.42 cubic feet for one 8 inch woofer.You can use the following approximations for sealed box: It does not include any volume displaced by woofers, dividers and vents. Net internal air space available for your woofers - Vb. Net Internal Volume (unit of measure - cubic feet) Non-editable parameters are automatically calculated.

Since I've never seen two port calculators that would give the exact same port length for a given box volume and tuning frequency, the port calculations from this calculator will probably be slightly different than other calculators.Īll values rounded to nearest hundredths (x.xx). Use the following calculators at your own risk.