Custom Turntable Baerwald/Löfgren Arc Protractor SVG & Compliance Resonance Solver

Deterministic Löfgren/Baerwald/Stevenson weighted RMS tracking-error angular minimization + 2nd-order mass-spring tonearm-cantilever mechanical resonance engine (.svg, .pdf, .dxf) built for Ortofon, Audio-Technica, Technics, Rega — zero-upload ephemeral Wasm RAM execution.

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