Le Petit — as built

Jean Hiraga's Le Petit from 22 mm OSB, to scale: biscuit-jointed carcass, the doubler on the front, the 175 mm port, fleece and fill on the back panel, on its Ø6 steel stand. Drag to turn, scroll or pinch to zoom, hover any part for its size. The views look inside; “Play bass” shows the cone and the air in the port.

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Front 530 × 340, over everything · Ø94 driver 115 below the top, Ø70 port 150 up
Sides 530 × 210, between front and back
Top, bottom 296 × 210, between the sides
Doubler 300 × 300, flush with the bottom, Ø70
Port tube HT DN75, 131 inside · 22 + 22 + 131 = 175 · Fb ≈ 48 Hz
Back 482 × 292, screwed to beech cleats 15 × 20
Damping one fleece layer 266 × 456 + a 50 g fill pocket at mid-height
Driver Aiyima 4″ full-range, 8 Ω
Stand Ø6 round steel, 300 high, H of bars at 60 · driver centre at 715