18 inch Subwoofer Box

Important Update

04/03/2019 the formula has been updated. This could affect existing projects

Subwoofer Box for Универсальный 18

Ported Box for 18 inch Subwoofer | Slot (Front Panel)
Net Internal Volume: 5.83 ft3. Port Area: 85.24 in2. Tuning Frequency: 36.0 Hz.