Useful Links/Resources


WinISD

http://www.linearteam.org/
WinISD is a useful program for calculating and simulating different box designs, and seeing how your subwoofer responds to box changes.

Basic Car Audio Electronics(BCAE1)

http://www.bcae1.com/
BCAE has alot of useful general electrical knowledge, more detailer car-audio related knowledge, and a lot of small tools/calculators.

Simulate "Cabin Gain" in WinISD

http://www.caraudioclassifieds.org/forum/tutorials-quick-references/3081-%5Bcomplex%5D-possible-simulate-cabin-gain-using-winisd.html
Interesting post on simulating/accounting for cabin gain when calculating box designs using WinISD

Crutchfield Subwoofer Wiring Diagrams

https://www.crutchfield.com/S-mNgPl7pq9fx/learn/learningcenter/car/subwoofers_wiring.html
Crutchfield has an excellect collection of images on how to wire your subwoofer(s) for the different impedances(ohms) https://www.crutchfield.com/S-mNgPl7pq9fx/learn/learningcenter/car/subwoofers_wiring.html