Optimum Enclosure Recommendations

Specification

6.5" Speakers

7.7" Speakers

8.8" Speakers

Sealed enclosure volume1

18 L (0.64 ft.3)

20 L (0.71 ft.3)

22 L (0.78 ft.3)

Ported (Vented) enclosure volume2

25 L (0.88 ft.3)

30 L (1.06 ft.3)

35 L (1.23 ft.3)

Port diameter

76 mm (3 in.)

76 mm (3 in.)

76 mm (3 in.)

Port length

162 mm (6.4 in.)

160 mm (6.3 in.)

170 mm (6.7 in.)

1 Fully filled with absorption material
2 Lined with absorption material
GUID-D10BF3AA-857B-4E42-B439-FA3D8B0F4D23 v2
September 2025