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Speaker Frequency Response
|H(f)| = 1/√((1−(f/f₀)²)² + (f/Qf₀)²)

A loudspeaker cone is a driven damped resonator: its response peaks at the box's resonance and rolls off below — a higher Q gives a louder, boomier, more ringing bass bump.
Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own
Gif encoder (no GPU, no ffmpeg, no external packages).