I bought a Samson S1500(750Wx2) to power some Stryke AV-15's. While building the tubes for them I had spare materials so I built a small sealed sub with an original SVS CS driver I had lying around. It's 2 cubic ft with 20oz of polyfill. Until the Stryke drivers arrive, I'm using the SVS based sub. I'm pretty sure that giving it 750 watts would be too much for that single driver. I haven't bottomed it because I've been careful, but I'm worried of the thermal damage. So is turning the the knob on the front of the Samson(it goes from -80dB to 0dB)to it's half way point going to make the wattage cut in half? Is this a safe way to go about powering the subwoofer?