Recommended Ported Enclosure Specifications

Volume (NET internal)

42.5 L (1.50 ft.3)

-3 dB cutoff frequency (F3)

29.6 Hz

Box tuning frequency (Fb)

37 Hz

Port diameter

102 mm (4.00 in.)

Port length

343 mm (13.50 in.)

NOTE: The enclosure volume listed is the net internal volume only. You must add the enclosure volume, port displacement, and brace displacement to obtain the final gross internal volume.
GUID-A931DC99-FB65-40DB-92F6-FCBD6BA793B1 v2
June 2026