I'm putting together a practice amp and part of it uses these 5"drivers, there is a switch attached to this board. What would it do? It attaches to a rotary switch. Possibly a crossover or!?? I didn't notice the switch when I had it hooked up, and I can't play til glue dries. 2 5"speakers, rated 200 watts. Right now they are in a small sealed cab, and are really really punchy, need to refoam them, any idea what these drivers might be? From Ross Systems. 70's? 80's? Marked 719230 22172 really big magnets. Without more info I guess I'll keep them in a sealed cab? Having trouble posting pics. They are going with a 12" sub and some 1" tweeters. Oh and 2 8's maybe eventually. Just a livingroom amp.