Has This Company Solved The Problem Of Bass Leakage In Loudspeakers?
Passive Cardioid Technology | Fulcrum Acoustic
US20170353787A1 - Passive Cardioid Speaker - Google Patents
QSC Introduces K Cardioid Single-Box Powered Cardioid Subwoofer | audioXpress
QSC KS212C Cardioid 3,600W Dual 12" Powered Subwoofer | Musique Dépôt
Cardioid project: DIY waveguide and passive cardioid midbass | AVS Forum
Sealed Cardioid Sub-Bass Loudspeakers | Professional Audio Technology | Innovox
How to correctly position multiple Subwoofers for Cardioid Deployment - Live Sound
NEXO Cardioid Subwoofers Part 1 - YouTube
Gainphile
active loudspeakers wideband cardioid Sigberg Audio MANTA
QSC KS212C dual 12-inch, active cardioid subwoofer
Passive Cardioid Technology | Fulcrum Acoustic
Ground Sound
Passive Cardioid Technology | Fulcrum Acoustic
Passive Cardioid Technology | Fulcrum Acoustic
Constant directivity speakers (DSP) for DIYers | Page 2 | Audio Science Review (ASR) Forum
Constant directivity loudspeaker designs
Hybrid Cardioid Speaker | diyAudio
Hybrid Cardioid Speaker | diyAudio
Cardioid Bass.... yes, very good!! | diyAudio
Hybrid Cardioid Speaker | diyAudio
Ground Sound
Passive Cardioid Technology | Fulcrum Acoustic
