AussieGamer_Ben
Ben
G0lddigg@ said:Basically the sd series was designed to run with a dd they are extremely loud and sensitive so mono being a more sensitive coil will bring in alot more information /noise. Dds have noise cancelling characteristics and the ability to discriminate in the 2200d and forward minelab pi series.
Theres a great article by jack Lange check it out
http://www.docsdetecting.com/docsplace/jlange/confusion.html
thanx mate