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Blog

10.07.2026

Lobing of the triple tweeter at high frequencies

Antti Louhivaara debates line source theory and lobing with Claude Fable.

18.06.2026

Modern Waveguide Technologies and the New ALD A10

Antti Louhivaara’s thoughts and discussion on loudspeaker design, waveguides, and the ALD A10 with Gemini.

10.06.2026

ALD A10 – The Evolution of Design Theories Over 30 Years

Wave-Length Reasoning, Horizontal Fan-shaped Dispersion and constant-directivity radiation form the core of my design philosophy. With these principles…

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