Thiele-Small Subwoofer Port Mach Guard & CNC Cut-Sheet Compiler

Deterministic 4th-order lumped-parameter Thiele-Small electro-acoustic state model + compressible port Reynolds/Mach air-velocity solver + 2D guillotine plywood nesting engine (.dxf, .csv, .json, .pdf) built for Dayton Audio, SB Acoustics, Scan-Speak, JL Audio — zero-upload ephemeral Wasm RAM execution.

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