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MicGrid: the driver fills the height; even out the cm ladder - #25

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tsyma merged 1 commit into
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fix/mic-grid-fill
Aug 7, 2026
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MicGrid: the driver fills the height; even out the cm ladder#25
tsyma merged 1 commit into
mainfrom
fix/mic-grid-fill

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@tsyma

@tsyma tsyma commented Aug 7, 2026

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Two small corrections found by looking at the grid inside orbit-amp's cabinet block.

The driver now fills the component's height — radius went from 0.40 of the height to half of it. At 0.40 a tenth of the box sat empty above and below the speaker, which is dead space in a component whose entire job is the picture.

The cm ladder is even. 0 1 2 3 5 8 10 15 -> 0 1 2 3 5 7 10 15. Steps now grow monotonically (1 1 1 2 2 3 5); the old one swelled to 3 at the 8 and then shrank back to 2. Distance is heard in ratios, so that rung read as a mistake. The inch ladder is untouched — it was already even.

Gate: appkit_mic_grid_falsify_tests, 4 checks, unchanged and passing (the degenerate-size case covers the new radius maths, which now subtracts a margin and could have gone negative).

Speaker radius 0.40 -> half the height. At 0.40 a tenth of the box was empty above and
below the driver — dead space in a component whose whole job is the picture.

Distance ladder in cm: 0 1 2 3 5 8 10 15 -> 0 1 2 3 5 7 10 15. The steps now grow
monotonically (1 1 1 2 2 3 5); the old one swelled to 3 at the 8 and shrank back to 2,
and distance is heard in ratios, so the lumpy rung read as a mistake. Inches are
untouched — that ladder was already even.
@tsyma
tsyma merged commit 80eb05a into main Aug 7, 2026
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