Ive got a little money to spend and have come up with an idea but I thought id see what you guys think of it. If it might work; cool, if not I dont have my heart set on this so no big deal. The box I currently have is what is portrayed in the pic below. The speakers are 3 10" L7's and box specs are 3.5 cubes tuned to 37hz.
Heres my idea: I have some mdf laying around and if possible wouldnt mind adding another L7, I dont have enough mdf to build another box & dont care to so here is what I thought about doing. Cutting a piece (or two) of mdf to fit over the front of the box where the speakers are currently mounted and glue/screw those pieces down to the front similar to a double baffle. From that point I would remeasure/cut holes for 4 speakers to fit rather than 3. I have measured and given that all speakers would be mounted touching eachother or slightly spaced they should fit no problem. Its just the matter of weather there will still be a decent amount of airspace and how much the tuning will be affected.
Heres my idea: I have some mdf laying around and if possible wouldnt mind adding another L7, I dont have enough mdf to build another box & dont care to so here is what I thought about doing. Cutting a piece (or two) of mdf to fit over the front of the box where the speakers are currently mounted and glue/screw those pieces down to the front similar to a double baffle. From that point I would remeasure/cut holes for 4 speakers to fit rather than 3. I have measured and given that all speakers would be mounted touching eachother or slightly spaced they should fit no problem. Its just the matter of weather there will still be a decent amount of airspace and how much the tuning will be affected.