...punch 800a2 amp? It is a swr-1242d 4 ohm dvc type r. I know the amp says it is stable at 800x1 at 4 ohm but i heard it can handle 800x1 at 2. Can this type r handle this? Because the amp is way under rated, i hear that it is around 1024x1 at 4 ohms. Should i go with a sealed or ported box?