OBCON R/T Aero Port Tube - 4" Diameter x 6" Long

welcome to another tech stuff Tuesday this week we're going to look at port area I've got two boxes that are the same exact volume these are not purpose-built for this test but they are purposed modified they were sealed boxes and I cut holes in them for ports they should work for SPL okay maybe not great but it'll be good enough for what we're testing here so I've got six inch port 8 inch port and we're gonna see how they act differently which is louder because again this is for an SPL application but we're going to use three different subs to display this because you can't just go off of one example and how that one sub works and here are the three subs from left to right we have the armor gird v2 15 that one is a prototype that we originally built for display which is also why doesn't have the logo on the motor and the dust cap is just a little bit different but that one is our examp