DIY 3-Way Active Speaker

LM3886 mid amp, LR4 crossover, TPA3255 option, single-mid package, and the latest speaker-box diagrams.

Download full project (ZIP) Speaker box diagrams Single mid package

Latest speaker box diagrams

3-way elevations — 3-way elevations — PNG · SVG

Cutaway — Cutaway (latest) — PNG · SVG

Single mid box — Single mid sealed box — PNG · SVG

Notes & cut list: enclosure/README.md

Single mid

single-mid/ — mid-only amp + LR4 bandpass + wiring
Mid BOM.csv
single_mid_chain.cir
Sealed mid box diagram

All modules

Safety: VERIFY driver cutouts/volumes against datasheets before cutting wood or ordering PCBs.

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