Ohmic Audio

Ported Enclosure Blueprints

This is a slot-port teaching sheet. Use it to understand where the port starts, turns, and exits before you cut wood.

Suite-generated cutaway ported subwoofer enclosure showing front cutaway, top layout, port path, and builder checks.
Ported Enclosure Blueprint

Suite source: generated from the Ohmic Audio Labs enclosure geometry lane so the public cutaway matches the real box-modeling surfaces.

Sanity Note Before Cutting

Use the real port math before you cut wood. Port area and length must match the box volume and the target tuning. This sheet is the picture, not the final calculator.

Use Ported Box - Helmholtz Resonance and Ported Enclosure Advanced Design for the actual numbers.

PieceJobWatch for
Port side wallsSet the channel widthKeep them square and sealed
Port dividerSets the channel height or separationDo not leave gaps at the ends
Chamfered entrySmooths airflow into the portDo not cut so far that structure gets weak
Exit openingReleases the tuned airflowKeep clear of braces or trim blockage