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RFI
- Thread starter micromax
- Start date
LilloEsquilo
New member
Here is another solution to the problem:
http://cgi.ebay.com/Clip-on-RFI-EMI-Filter-Minelab-Whites-Tesoro-Fisher-7mm-/120741093785?pt=LH_DefaultDomain_0&hash=item1c1cbae199
A filter, which you see on computers, monitors, printers and the like. I was skeptical until I realized this idea is already being used and has been for a long time, just on other things.
http://cgi.ebay.com/Clip-on-RFI-EMI-Filter-Minelab-Whites-Tesoro-Fisher-7mm-/120741093785?pt=LH_DefaultDomain_0&hash=item1c1cbae199
A filter, which you see on computers, monitors, printers and the like. I was skeptical until I realized this idea is already being used and has been for a long time, just on other things.
Larry (IL)
Well-known member
Not really a solution.............. more of a rip-off
http://www.findmall.com/read.php?22,1291783
http://www.findmall.com/read.php?22,1291783
LilloEsquilo
New member
If you Google these filters, you'll find that the technology DOES actually work and is viable, electronically. The concept is not a rip-off at all, unless a lot of people with advanced degrees in electronics are either lying or morons.
Like I said, you find these things on your computer monitor cord, printer, etc. Do you really think the manufacturers would add these just to look pretty (and add cost) if they didn't work? Not as cheap as I know they are, they wouldn't.
I put one of them on my Cortes coil, and it quieted it down in my house, when it was going crazy without one. That showed me it does work. If people are expecting 3 inches deeper and for it to dig the target and pop them a cold beer too, then yeah they won't be happy, but the technology does work from my experience and what I have learned of it.
Like I said, you find these things on your computer monitor cord, printer, etc. Do you really think the manufacturers would add these just to look pretty (and add cost) if they didn't work? Not as cheap as I know they are, they wouldn't.
I put one of them on my Cortes coil, and it quieted it down in my house, when it was going crazy without one. That showed me it does work. If people are expecting 3 inches deeper and for it to dig the target and pop them a cold beer too, then yeah they won't be happy, but the technology does work from my experience and what I have learned of it.
Larry (IL)
Well-known member
Sure the filters work and if an extra one on your coil works in your house where 60 Hz EMI is common, that is great. Most manufactures already have RFI/EMI filters in the T/R circuit and many find that additional filters don't do much if anything, especially on a cable that is already shielded. I still think $7 for a quarter item is a rip off and not really needed, but to each his own.
Sven
Well-known member
Sucker born every minute........
From a post I made in another forum:
This has been discussed on other forums at length.
In all essence this is just another form of the old medicine man selling snake oil.
And folks just don't get it, some even believe they work and swear by them......funny what people believe.
Even when you supply them with the tech info about them, why, how, and where they are used......
I see some others getting in on the ebay bandwagon selling them, nice bit of profit when you can buy them as low as 49 cents.
I even thought about making some quick cash and out doing those sellers with my own trumped up listing and going one step better.
Offering what those (non electronic tech) ebay sellers haven't a clue on yet, a set of three for $18.95-----------one each to cover three frequencies and design a high tech fancy package header on my computer.......making you think you should order a set.....But, I'm not that type of person to scam a product.
There are many sources of EMI/RF and metal detector companies build detectors know very well how to surpress most of it and filters are built into the circuit. A electronic circuit itself makes EMI/RF...........searchcoil cable is shielded, a metal control box also adds shielding or those that build a detector in a plastic housing you may find shielding foil. A good example is the Minelab Musketeers & Sovereigns.
But, if you still want to try one out, just go find a computer cable that has one snapped on, remove it and try it. No sense paying for one if you can get it free.
From a post I made in another forum:
This has been discussed on other forums at length.
In all essence this is just another form of the old medicine man selling snake oil.
And folks just don't get it, some even believe they work and swear by them......funny what people believe.
Even when you supply them with the tech info about them, why, how, and where they are used......
I see some others getting in on the ebay bandwagon selling them, nice bit of profit when you can buy them as low as 49 cents.
I even thought about making some quick cash and out doing those sellers with my own trumped up listing and going one step better.
Offering what those (non electronic tech) ebay sellers haven't a clue on yet, a set of three for $18.95-----------one each to cover three frequencies and design a high tech fancy package header on my computer.......making you think you should order a set.....But, I'm not that type of person to scam a product.
There are many sources of EMI/RF and metal detector companies build detectors know very well how to surpress most of it and filters are built into the circuit. A electronic circuit itself makes EMI/RF...........searchcoil cable is shielded, a metal control box also adds shielding or those that build a detector in a plastic housing you may find shielding foil. A good example is the Minelab Musketeers & Sovereigns.
But, if you still want to try one out, just go find a computer cable that has one snapped on, remove it and try it. No sense paying for one if you can get it free.
LilloEsquilo
New member
Of course you didn't mention that it's not likely I detect in my house. That would of course be true enough.
My point was they work, but it sounds like your only beef with them is the price. And it is true you can get them cheaper, the sellers on eBay are just making a profit selling them, but you can find them cheaper if that's the issue.
My point was they work, but it sounds like your only beef with them is the price. And it is true you can get them cheaper, the sellers on eBay are just making a profit selling them, but you can find them cheaper if that's the issue.
LilloEsquilo
New member
Not entirely true. Have you ever tried an F75? Those are EXTREMELY sensitive to EMI. Many feel that FT didn't do a very good job in terms of suppressing EMI for that detector. I would think these would be just the ticket for that. At the very least it's not very expensive to try and see if it helps.
To try to make sweeping generalizations that this is snake oil when in fact it does work, I really don't "get" that, I'm obviously missing something here, I mean I could sit here and say well the internet doesn't work it's snake oil, but we are ALL using it to read this stuff. In fact the technical stuff I read says it works. Computers use them for many of their cords, as you point out. So are they just idiots who are wasting money, and you know way better than they do how this stuff really works? Or am I just not getting some deep point that you are trying to make here? Because I'm the kind of guy who if you are going to claim something, I'd like to see some proof, and if you are saying this is just snake oil it doesn't work it's a waste of money etc, would you care to give us your evidence to that point other than just an opinion that they are snake oil? Or are we to just take opinion as fact here?
I put one on my Cortes and it did quiet down the Cortes in my house. Fact. I can't exactly demonstrate that over the internet, but that's not opinion, it's fact. If it hadn't worked for me, I'd have said as much.
And finally please don't get the idea I'm trying to be hard on you personally, by pressing this, I'm just as I said a guy that likes to see statements backed up before I take them as gospel. Too many people these days (especially in DC) talk a lot and say nothing of value, so you have to have a discriminating ear so to speak. I'd just like to see proof that this stuff doesn't work and is snake oil, because a lot of companies could save a LOT of money if that's true.
To try to make sweeping generalizations that this is snake oil when in fact it does work, I really don't "get" that, I'm obviously missing something here, I mean I could sit here and say well the internet doesn't work it's snake oil, but we are ALL using it to read this stuff. In fact the technical stuff I read says it works. Computers use them for many of their cords, as you point out. So are they just idiots who are wasting money, and you know way better than they do how this stuff really works? Or am I just not getting some deep point that you are trying to make here? Because I'm the kind of guy who if you are going to claim something, I'd like to see some proof, and if you are saying this is just snake oil it doesn't work it's a waste of money etc, would you care to give us your evidence to that point other than just an opinion that they are snake oil? Or are we to just take opinion as fact here?
I put one on my Cortes and it did quiet down the Cortes in my house. Fact. I can't exactly demonstrate that over the internet, but that's not opinion, it's fact. If it hadn't worked for me, I'd have said as much.
And finally please don't get the idea I'm trying to be hard on you personally, by pressing this, I'm just as I said a guy that likes to see statements backed up before I take them as gospel. Too many people these days (especially in DC) talk a lot and say nothing of value, so you have to have a discriminating ear so to speak. I'd just like to see proof that this stuff doesn't work and is snake oil, because a lot of companies could save a LOT of money if that's true.