Many prospectors have come to us with questions about the two head or two box metal detectors. Here we can tell you some of their disillusions and experiences that many people have had with these.
Frequently, many treasure hunters from the United States come to visit us when they want to buy their Deepers. Some of them have two search coils or two-box detectors. They come to us with the hope that we can help them balance their machines better! In this way, we had been able to try out repeatedly, over the several months, the Gemini III from Fisher, the TM 808 from White’s, the TF900 from Discovery and the Garrett series CXII and the CXIII with their two search coils (for multiplied depth). As we have informed before in our pages, these detectors are not adequate for the deep detecting. With or without balancing, they are whimsical and do not offer any guaranty of being reliable in detection. When they are well balanced, they can easily detect a beer can (our universal target) at 33 to 50 cm in depth. However, by only advancing a few meters, going right or left (towards the north or south), they will immediately misadjust for no reason and become incapable of localizing a 10 lt canister that is only 60 cm deep!
Imagine yourself going over a huge treasure, only about 50 or 80 cm deep, for example (a life time opportunity not to be lost), confident that your machine will pick it up and it doesn’t even make a sound! For all these reasons, the prospectors that are well informed have given up these kind of detectors and prefer with absolute certainty, the great Deepers’ Pulse Induction detectors that are incredibly trustworthy and that allow, under any conditions, to detect up to 2 m in depth with a Hypersensitive search coil, and up to 4 m with a Frame coil (refer to our pages on each of the currently offered detectors and optional coil for more information).
The Two-box Detectors
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