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ADVANCED -TRANSITION HORNS
by Marcel Batík


High-performance acoustic horns & waveguides for sound reproduction




Gen2 Waveguide Series



ATH A460
Axisymmetric waveguide optimized for 1" compression drivers
Template | STL kit



For the first available measurements see diyAudio (post #15,659)



ATH A460D
True constant-directivity waveguide optimized for 1" drivers
STL kit





Work on horns:
[1]OS-SE Waveguide (pdf)
Novel profile formula for baffle-mounted horns, 2020.
[2]R-OSSE Acoustic Waveguide (pdf)
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.

Associated diyAudio threads: Theory & Design | Practicalities
Interactive waveguide formulas in Desmos calculator: OSSE | R-OSSE



Waveguide kits available for DIY / 3D printing:

Gen2 Waveguides (Variable-Throat Kits)

ATH 280EX-MK2
⌀280 x 144 mm / 1"
ATH 300EX/S
⌀300 x 122 mm / 0.75"
ATH 330EX
⌀330 x 160 mm / 1"
EXAR 400
⌀400 x 255 mm / 1"

Other projects:

ATH-280EX Extended-throat waveguide, 1" throat, ⌀280 mm / STL file via cults3d.com
ST260 Basic R-OSSE waveguide, 1" throat, ⌀ 260 mm
ATHEX Hexagonal waveguides with bended petals
ATH-DOME T34B Waveguide for BlieSMa T34B tweeter / STL file via cults3d.com




ATH software (zip package, the latest release)
User Guide

No support provided.

The latest web update: October 25, 2024