I really dont think you can do this without adding more channels. But I could be wrong. My tree is 17' tall. Last year I had 12 100 ct strings from CDI. Times 3, 12 strings Red, 12 strings Green, and 12 strings White. With 3 controllers mounted on the pipe. That leaves 12 channels left over for things like 3 channels for a 3D start. 3 more for strobes. I like to stagger the starting of the strobes to help with randomizing. I have a 3', 4', & 6' spiral tree. Snoopy and nativity one two more channels. So I am down to one spare channel. And frankly I would love to add a 4th controller for Blue. Ok I have now upgraded to 24 strings per color. With just one 100 ct string I was going up and back down about 15" apart on the 10' dia ring at the base. Now I have an upside down "W" the three points are about 7.5" apart. Much fuller looking now. But also it catches the wind much more too. The more strands, the better you should anchor the guy wires. IMHO 16' tall is to short, 17' just barely makes it. And if I was to do it over, I would go 18' tall. My ring is made up of 3 - 10' x 3/4" plastic PVC conduit. And I found that I needed to get 4 12' long screw anchors to keep the bottom ring where it is supposed to be. I know, more than you want to invest at this time. But all of the short cuts I have heard leave me wanting to see these trees in operation. I just cant imagine how they look.