As of yesterday, My dad and I finally finished a project that I had been wanting to do since late 2011, a DIY 18" beast-mode subwoofer. Cabinet measures 750mm wide x 610mm tall x 700mm deep, and the MDF is 28mm thick. Subwoofer is a Monacor SPH 450TC and the Amp is a RCM Acoustik Detonation DT300. Painting the thing damn near took longer than building the box. We used several coats of black and clear gloss coats. We secured the box with screws and then used a hot glue gun on every single seam on the inside. We applied acoustic foam on all of the the walls inside the box, we added metal lifting handles to the sides, because it is extemely heavy, metal protectors to the corners, and rubber feet. To fill in seams we mixed MDF saw dust with glue and spread it with a putty knife, and sanded it smooth, then rinsed and repeated until we were satisfied.
Everything was completed and the subwoofer was plugged in last Wednesday, let my pioneer elite receiver do its auto calibration and then my gf put on some EDM to quickly test some bass. Bass was had. I said ok, lets get some pod racing going! got star wars on the tv aaaaaaaaaaaaand where is the bass? Amp was dead. I took the amp out of the sub, and went to a local electronics repair shop and crossed my fingers. Several days and $32 later they said the amp was fixed. New fuse and had to re-solder a couple of things. Much cheaper than buying a new amp for 309euros and shipping from Germany. I hooked everything back up late last night and did some pod racing again. Tremendous amounts of thunderous bass. I will be uploading some pictures later.
