I have a feeling that I read this before already.... please don't start the same thread in multiple locations

Anyway - the baffle dimensions
do make a difference to the acoustic response. If you are building a kit (?) then you are best to stick to the baffle dimensions given, or at least the width. If you are designing your own and doing acoustic measurements, then you can do what you want and the measurements will (should? !!) tell you how to proceed.
