GoodSoundClub - Romy the Cat's Audio Site - Why multi-cell?
DIY horn multicell (18 cell)
Hilliard designed MGM's multicellular horn to consist of eighteen... | Download Scientific Diagram
Rupp Arena - There are 58 Altec Model 805 Multicellular horns. Each horn as a 1.4 inch Altec Model 291-16 Compression Driver for high frequency reproduction. | Facebook