ATH - Advanced-Transition Horns

ADVANCED -TRANSITION HORNS
by Marcel Batík

High-performance devices for sound reproduction
DIY kits

NEW: ATH CORE


ATH Gen2 / Long Adapters	A460D	Tritonia

TwinRay	Opus 12

All kits for 3D printing via Cults

	Assorted work:
[1]	OS-SE Waveguide (pdf)
	Novel profile formula for baffle-mounted horns, 2020.
[2]	R-OSSE Acoustic Waveguide (pdf)
	New parametric formula for low-diffraction, free-standing horns, 2022.
[3]	Spherical Wave Forming (pdf)
	Apparatus for flat-to-spherical wavefront transformation for constant directivity, 2021.
[4]	Extended-Throat Waveguides
	Technical Note, 2023.
[5]	EXAR Waveguides - Segmentizing a horn
	Analytic method of separation of axisymmetric horns into segments, 2024.
[6]	Measuring loudspeakers - Meditation on impulse response gating
	Disscusion of the effects of gating on measured frequency response, 2026.

Interactive waveguide formulas in Desmos calculator: OSSE | R-OSSE

Associated diyAudio threads: Theory & Design | Practicalities

Update History

ATH software tool (zip package, the latest release, free for non-commercial use)
User Guide

Note: As the project grew, there are many features undocumented in the User Guide.
The only place where to find them documeted is the diyAudio thread.