Dual Opposed Subwoofer Theory? | Audio Science Review (ASR) Forum
Polk Audio C4 Subwoofer (1992 Car Audio) - Four 6x9 drivers monted in an isobaric push pull configuration, 4th ord… | Car audio, Subwoofer box design, Subwoofer box
Isobaric enclosures..what advantages if any? - Techtalk Speaker Building, Audio, Video Discussion Forum