The Minelab Equinox owners have come up with a suggestion – to add an in-line filter to the coil cable. This poses two questions at once: how can this filter help you increase the amount of good finds? And, if it really works, why don’t other machines have this thing yet? Dear expert metal detector users, please give us your opinions about the viability of this improvement to help our readers decide – whether or not they should put such dirt-cheap filters on their devices or, the other way around, should avoid wasting time on a fool’s errand.
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I tried this solution on a lot of detectors, and it does not help. A simple ferrite on the drive cable will not eliminate EMI / RFI interference, and will not provide additional stability
If it were so simple, all the metal detector manufacturers would have adopted this system for a long time.
The cable is shielded and grounded, right? Of course that would be to the frame, so probably not so helpful with nowhere to go.
No jo Minelab! Zase vymysleli jak vyt?hnout hleda??m pen?ze z kapsy,to by jim rozhodn? ?lo,ale aby kone?n? vymysleli po??dn? detektor pro Evropsk? podm?nky hled?n?,to ne !!!!
?e?tina se na americk?ch webech moc nevid?, t?m m?n? kdy? jde o kritiku equinoxu :)
Tenhle ferrite je ale dal??m d?kazem, ?e Minelabu jde bohu?el na v?ech ?rovn?ch pouze a jenom o zisk.
I’m an electronic engineer and I don’t expect this ferrite filter will make any difference. The principle of of these filters is to reduce unwanted RF currents from flowing in the screen of the cable. They act as a 1/2 turn around a ferrite core. However with the Equinox (and all detectors) it’s not the screen that is responsible for stray RF pickup, it’s the coil itself…. so this filter will have no effect.
Besides, any half witted design engineer worth his salt will have already put RF filters in the detector circuit.
I live within 5 miles of a 50-KW am radio station and they do help keep the RF out
I use it and inside when I first put it on it worked. I have wifi and it definitely works so I appreciate the suggestion here where I first read it. thanks
I put one of these on my Nox and took it to two different spots, one that has a cell tower that sends the nox crazy, and another that has an u derground electrical cable that always causes interference.
At the site with the underground cable, the RF interference was definately reduced running the ferrite core on the nox cable. At the site with the cell tower is made a huge difference, as this spot was basically un detectable without it. The Nox must get a lot of interference through the cable, which makes me wonder if it is even a grounded cable at all. Those that say it won’t do anything, maybe test it yourself instead of saying basless claims.
Minelab engineers are not competent in signal transmission thru any cable.
They don’t understand what is coaxial cable (they mostly use) and what is
differential cable (they never use). Ferrite clip on filter is very useful thing
I put it on all my metal detectors including Garrett Ace Euro, Fisher F75 and
P.S. Sorex Pro/Signum metal detectors are the only MD I know that use
differential cable in Tx, Rx is still coaxial.