
Eighteen Sound design
1x21” band-pass subwoofer
- Drivers
- 21LW1400or 21NLW4100or 21LW2600
Enclosure designs
Cabinets for the 21LW2600: a design and a suggested box from Eighteen Sound.
From the maker, with plans to download

Eighteen Sound design
From Eighteen Sound’s 21LW2600 page
Eighteen Sound gives the volume and tuning only; the port is yours to size.
Specs, prices and shops for each version
Each design links to where its maker or designer publishes it. Bits hasn’t built or measured them. How we find designs. Know another design for the 21LW2600? Tell us.