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The new second-generation triple-tweeter array has enabled a minimum-phase crossover design in ALD loudspeaker models that feature an acoustically symmetrical structure (A7, A10).

Design techniques remain essentially unchanged since the 1950s. Over the past 70 years, loudspeaker design has advanced surprisingly little compared to other audio reproduction technologies.

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

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

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