looks good!
but can you explain in technical term WHY and HOW it can assist to increase the spark?
what inside the box??? anything inside or just plain kosong??
hehehhehehheeh
A rectifier is an electrical device, comprising one or more semiconductive devices (such as diodes) or vacuum tubes arranged for converting alternating current to direct current.
thought that some of you might still be interested. this is the link that you can see more pics. Now that i REALLY REALLY know, 9sec is not that simple afterall...not so simple...hehehe...