Panel_ID,Description,Qty,Thickness_mm,Width_mm,Length_mm,Material,Grain,Notes
BFL,Front baffle,1,25,300,500,Birch ply,vertical,Driver cutouts CNC; countersink flush
BACK,Rear panel,1,18,300,500,Birch ply,vertical,Amp plate cutout 220x160; IEC/XLR holes
SIDE_L,Left side,1,18,294,500,Birch ply,vertical,Depth = 320 - 25 - 18 + joinery adjust — CONFIRM joint style
SIDE_R,Right side,1,18,294,500,Birch ply,vertical,Mirror
TOP,Top,1,18,264,277,Birch ply,—,Fit between sides (butt) — redraw if rabbet
BOT,Bottom,1,18,264,277,Birch ply,—,Pole cup centered
BRACE1,Horizontal brace,1,18,50,264,Birch ply,—,Behind mid driver
BRACE2,Rear window brace,1,18,40,200,Birch ply,—,Amp bay stiffener
AMP_PLATE,Aluminum amp plate,1,3,220,160,Al 6061,—,Heatsink mounts outside; PCB inside
GRILLE,Grille frame,1,1.5 steel,290,490,Steel,—,Powder coat; cloth wrap