Reference,Value,Footprint,Manufacturer Part Number,Qty,Notes
U1,LM3886T,Package_TO_SOT_THT:TO-220-11,LM3886T/NOPB,1,Same as lm3886-poweramp — see that BOM for passives
Mid driver,4-6.5 inch mid 8 ohm,Driver cutout per datasheet,e.g. Peerless/Scan-Speak/Dayton mid,1,VERIFY Fs/Vas for sealed Vb
Box panels,18mm MDF,~200x200x220 internal,Local lumber,1 set,See enclosure/diagrams/single-mid-box.svg
Stuffing,Polyfill / wool,—,Generic acoustic polyfill,1 bag,Light fill only
Binding posts,Speaker terminals,Panel mount,Neutrik or generic gold posts,1 pair,Isolated from chassis if needed
XO mid channel,OPA2134 filter set,—,See active-crossover/docs/BOM.csv,1,HP300 x2 + LP3000 x2
Heatsink,TO-220,Aavid or equiv,Aavid 530514B02500G,1,Required for continuous drive