Originally Posted by lilblakdak
A 4" hole at about 4 o'clock on your head should work fine. You can buy a hole cutter, or get a really sharp exacto-knife and a 4' tin can and take your time, you only get one shot at it.
4" hole at 4 oclock is about standard with todays drummers.... the best thing is to get an Aquarian Port Hole... you just plopp it on and cut the hole with a sharp utility knife... I do this on 90% of the drum sets I sell... its easy and you dont have to worry about the hole ripping...