Excal 1000, Excal II, Sovereign GT, CZ-20, Tiger Shark, Tejon, GTI 1500, Surfmaster Pulse, CZ6a, DFX, AT PRO, Fisher 1235, Surf PI Pro, 1280-X, many more because I enjoy learning them. New Garrett Ca
I don't understand, the DFX is a detector, not a coil. I could only say good things about the DFX though. If there is a bad thing to say about it it's gotta be to many guys are using them.