Bass Reflex Port

Port optimisation is part of the loudspeaker pipeline: spline-parametrised profiles evaluated for flow noise at matched airflow, with the optimiser free to deform the bore inward. Publishing the null result with full provenance is the point — the machinery, not the headline, is the product.

Bass-reflex port — inward-only spline optimisation

Winner meridian vs straight bore, equal-airflow comparison, 1 m noise floors, and refinement convergence. Honest null result: no inward-only profile beats the straight tube on noise. Source data: profile · flow · comparison · noise · convergence · provenance

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