Eighteen Sound design
1x21” band-pass subwoofer
- Drivers
- 21LW1400or 21NLW4100or 21LW2600
Enclosure designs
Eighteen Sound 21NLW4100
enclosure designs
Cabinets for the 21NLW4100: a design and a suggested box from Eighteen Sound.
Eighteen Sound’s design
From the maker, with plans to download
Eighteen Sound’s suggested box
From Eighteen Sound’s 21NLW4100 page
- Net volume
- 250L
- Tuning
- 33Hz
Eighteen Sound gives the volume and tuning only; the port is yours to size.
The 21NLW4100
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 21NLW4100? Tell us.