Hi, a few years ago on the East End beach in Portland Me. there was a real big piece of green PVC pipe. It was left by some construction job and just left there. No one wanted to $#@% with it. I kept my eye on it. It was about 3 feet long and 16 inches wide. To most it was an eye sore, to me it was the making of a subwoofer for my stereo system. I did the people a favor and picked it up and threw it in my pick up truck. It's about an 1/2 inch thick a solid as a battleship. Well in all my brain stormed audio projects that never get finished and end up taking up room in my tiny apt., I ended up buying an enclosure from Parts Express and building a subwoofer. The pipe became a laundry hamper. My idea was to make a down firing sub with a Parts Express 12 inch Titantic sub driver. With it's roundness I figured I could conquer the standing waves inside with a coating of egg crate foam rubber and a cap on the top either sealed or with a variovent in the middle. Here's my question; If I could mount the woofer in a down firing position, on a circular wooden baffle on the lower end, elevate the tube a few inches off the floor with some small table legs, would the position of the woofer, downfiring, harm the driver in the surround or spider areas, like weaking those areas? Is there any other recommended woofer for this type of instalation, if mine is not suited? If I can get at least one project completed, I could go on to the others. I feel with a variovent I could play around with the right amount of fiberglass sort of like the Dyna-A-25 until it sounded right to me.Hey, thanks for any thoughts on this madness........Mark Korda
