I don't have a working web page so I'll have to post this at AR, since they have got with the program and have added pic hosting (don't know why this board hasn't yet). Anyway, this is the top of one of my sonotubes, which I'll have mostly finished this week, hope to get my Port Plug/Flow Guide turned this week also. BTW these Maelstroms are house wreckers, amazing amount of bass and very musical too, I'm very pleased with these drivers, can't imagine the Tempest being any better. Link to pic of finished Top and covered Tube. http://forums14.consumerreview.com/[email protected] Can't tell I'm from Texas by this pic, can ya.