Such much you know I had a sorex pro as you helped me with it. I sold due to the fact that it was finicky in my area to ground balance. I will say this it had some of the best audio I ever heard on a detector including the ctx 30/30 and depth was top notch. I will also say this the build quality of the sorex pro I had was awful the shaft was crooked from the factory, it was subpar at best. I didn't read every post in this long thread but 12,000 us must be a joke? If aka had such a great technology they could open up a center in the us and have all the business. Did they fix the finiky ground balance ? Did they at least get the shaft straight on a 12,000 machine?