Design Software
The software offered here can take your QRD diffuser and subwoofer designs to the next level
Software
Documentation
QRD Technical Reference
Detailed coverage of the science behind Quadratic Residue Diffusors.
Links to the QRDude User Guide and Sample Build
Software
Software
Boxnotes
Determine your enclosure dimensions taking into account the space occupied by the ports and driver.
Adjust the dimensions to eliminate problem resonances. Print your cutting list
Software
Sonosub
Sonosub works out the sizes for your tubes. It also checks that your components will all fit with the correct clearances.
Sonosub
Software
Documentation
Building your High Pass Filter
Notes on using the Subsaver calculator to build your filter and how to integrate it with your subwoofer
Hi Pass Filter
Documentation
WinISD Overview
How to use the free WinISD speaker design software, and where to download it from.
WinISD