tdi

Will the mxt AA battery pack fit, and run TDI OZ PRO?

I'm looking for advice regarding coils for the TDI Pro. The ground I'm looking to detect is quite mineralised, the terrain can be rough and the gold can be small but shallow. I'm currently reading up on the Razorback 5X10" Elliptical Mono, so I'm hoping someone might be able to provide some...

Does anyone know if the TDI can be modified for better depth or is it a matter of upgrading coils. I am interested in getting one at some stage but I'm not sure of their capabilities. I have a GMT and am very happy with it. I saw Ivanll with one with a different coil on it and he seemed to be...