Tapped horns4 designs

Both sides of the cone drive one folded path, for big output from a quarter-wavelength box. How horns work

Every tapped horn here, at 100 WOthorn - ExampleHalf space · 1 m
Driver
Othorn - Example21SW152 · 3.9 m · F3 93 Hz
Tham12/Cubo12 PA310-8/Odeum 12LF4 enclosures · 2 drivers
Cubo 18 - 18DS, 18TBX, P180 2242 Comparison3 enclosures · 3 drivers
Othorn - Blab Testing3 enclosures · 21SW152-4 (Josh Ricci / Data-Bass)