I consider myself freshwater gold jewelry hunter with a focus on gold chains. I have used Tesoro Stingray II models for the past 20 something years and have decided to purchase either an Equinox 800, a Makro Gold Kruzer, or maybe one of the Multi's. I prefer the first 2 models because of their high frequencies but not having used either, I don't know if 40 or 61 khz. offer any significant advantages over a machine running in the 12-20 khz. range. I would be interested in hearing your thoughts on the matter. I tend to keep my detectors for a while so reliability/durability is somewhat of a consideration. If you have any other waterproof detector considerations you'd like to suggest feel free.
Thank you,
auBurkey