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ENCLOSURES
All enclosures include port and subwoofer displacement. All ports are circle aero ports unless
otherwise stated.
Ported Enclosures: A ported enclosure is generally larger than a sealed enclosure
Sealed Enclosures: A sealed enclosure will be the smallest enclosure you can build. It will have a
tight low frequency response, but not as low as a ported enclosure.
OPTIMUM ENCLOSURES
Ported PP-SW10E PP-SW12E PP-SW15E
Volume (litres) 35.41 67.11 87.44
Volume (cu.ft.) 1.25 2.37 3.08
Port diameter (mm / in) 76.2mm / 3" 101mm / 4" 101mm / 4"
Port length (mm / in) 222.4mm / 8-3/4" 246.9mm / 9-3/4" 163.9mm / 6.7/6"
Tuned frequency (Hz) 36 35 34
Sealed
Volume (litres) 25.8 58.9 72.2
Volume (cu.ft.) 0.912 2.08 2.55
Tuned frequency (Hz) 49 44 45
Ported PP-SW10H PP-SW12H PP-SW15H
Volume (litres) 29.9 59.8 93.63
Volume (cu.ft.) 1.05 2.12 3.31
Port diameter (mm / in) 76.2mm / 3" 101mm / 4" 101mm / 4"
Port length (mm / in) 263.4mm / 10-3/8" 274.2mm / 10-13/16" 155.5mm / 6-1/8"
Tuned frequency (Hz) 37 34 33
Sealed
Volume (litres) 25.7 50.6 71.14
Volume (cu.ft.) 0.907 1.6 2.512
Tuned frequency (Hz) 48 46 48