razerback408
Member
i traded for a 2500 i think the coil is bad its a 9.5" i have a too coins at 6" and cant get a hit on them with the 2500 10 and 25 cents need your input before i by a new coil thanks
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depth with the 2500 gti
- Thread starter razerback408
- Start date
BigCatDaddy
New member
If the coil was bad, it would be going nuts on you!! Bingin' and bongin' all over the place. You didn't say what mode you were in, but 6" in the coin mode would be about max. Should go deeper in All metal.
razerback408
Member
i just got a g2 the depth is good but so far i think the 2500 has it beetOrion42 said:
First of all, it's very difficult to answer that question, if not impossible. The answer really is "it depends"
The following all play a significant roll, and in combination will always give varying results:
-size of a target-> the larger the target, the deeper a target can be recognized.
-conductivity-> aluminum vs. copper vs. gold. vs. iron vs. silver. Some rings, with size & mass being equal can be detected deeper then others.
-size of coil-> general rule says "larger coil = deeper depth however, add a lot of conductive particles, metal junk and high mineralization to the matrix, and the large coil becomes redundant.
-type of coil-> DD vs.concentric vs. mono. Each coil has a definite advantage over the other under different conditions
-frequency of signal from coil-> higher frequency usually (but not always) is more sensitive to tinier objects.
-VLF vs. Pulse Induction-> Pulse induction can easily pick up a dropped mini or gold ring with a medium sized coil 15-20" whereas a VLF might get about half that all other things being equal.
-Humidity, moisture in soil, orientation of target to the coil
--ability of the to perceive the receiving frequency from a coil and distinguish it's conductivity, depth, size etc.
-operator - properly setting up the electonic components based on knowledge and experiences
There are many more variables in involved affecting depth.....the above are just some of the more obvious ones. So really, YOU need to figure out what you are looking for ie. relics vs. jewelery vs. common coins vs. deep copper/silver coins. You also need to know the soil conditions and other factors in YOUR area where you are going to hunt. Lots of electronic interference from above ground or below will make some of the most expensive machines useless, unless you turn the sensitivity way down, which often times reduces your depth considerably. Same goes with extremely high mineralization like in Australia or red clay oxidized clays in North America areas. VLF may really struggle under these conditions, yet a PI (pulse induction) will punch down deep with no trouble.
So.....how deep is the Pro? It is as deep in some instances and deeper in other instances and perhaps not as good as machines costing sometimes more then twice the cost of the . Throw on the 9 x 12 concentric coil in good ground and you have a very deep detector with great ID capabilities. Use the DD 8.5" x 12" coil in heavier mineralized soil, and it outperforms even the larger coil I just mentioned. Put on the 5" x 8" coil and you can easily pick out the good targets beside and often time underneath junk targets, while still getting great depth.
You want a machine for caches buried in feet, not inches - Garrett has it - http://www.garrett.com/hobbysite/1611800_treasurehound_eagleeye_searchcoil.aspx
You want extreme depth for water or land, check out the Garrett Infinium - http://www.garrett.com/hobbysite/hbby_infinium_video.aspx or Infinium Website http://www.findmall.com/list.php?62
You want a great all around machine for good depth + Salt or freshwater hunting (waterproof) Check out the AT Gold or : Gold: http://www.findmall.com/read.php?79,1615363,1615363#msg-1615363
You want to hunt common coins with sizing ability, check out the GTI Series- http://www.garrett.com/hobbysite/hbby_gti2500_training1_video.aspx
Why should depth not be the most important factor for purchasing a metal detector? Because depth is only relative to certain conditions. Most targets are in the top 6 inches anyway, so why do you need to go down to 15-20"? In places like salt water or areas with a lot of deep junk rusty targets, the large coil on your $1,500.00 machine is practically useless, and when set up to it's maximum potential in these areas, will only give you say 4-5 inches. If somebody is trying to sell you an expensive detector, that they say is the deepest machine, you had better turn around and run fast....as that equates with someone trying to sell you a a parcel of land in a swamp. There is no 'DEEPEST" machine....it simply doesn't exist. But there are BEST configurations of a metal detector type for any given matrix of soil.
As this is a Garrett forum, and I don't promote detector comparisons here, I will speak specifically on Garrett Detectors. They are one of the oldest and ORIGINAL designers, manufacturers of metal detectors in USA. They also have one of if not THE best customer service backups. Talk with the Garrett folks about a problem, and you are probably speaking with someone who also spends some of their spare time metal detecting. In fact, Garrett encourages their staff to sign out machines and use them ad lib on their days off. Garrett is up on the latest technology. They are constantly doing R & D to keep up with the newest and latest technologies. You won't find any cheap toggle switches and cheap knobs on the latest detectors. Toggles can easily break off, and knobs for tuning or volume wear out or change setting with the slightest accidental touch. Knobs are old technology and belong on static devices such as old TVs, radios etc. Garrett builds a variety of detectors. Want extreme depth? They have it....want a good all around machine with good depth and all around performance and water proof costing half of what other competitors have, Garrett has it. Want a low cost entry machine, with bells & whistles costing much less then the competitors...Garret has it. Do you need further support on detecting with any Garretts, they have it.....Garrett has many "HOW TO" videos on line for each model they sell.. Need some reading material? Garrett has the largest supply of home grown (written) books. Below is a list of all the detectors manufactured by Garrett.
Below is an air test comparison on various Garrett lines. Please note, that the air test with the GTI 2500 is in true all metal mode, not discriminate mode.
The following all play a significant roll, and in combination will always give varying results:
-size of a target-> the larger the target, the deeper a target can be recognized.
-conductivity-> aluminum vs. copper vs. gold. vs. iron vs. silver. Some rings, with size & mass being equal can be detected deeper then others.
-size of coil-> general rule says "larger coil = deeper depth however, add a lot of conductive particles, metal junk and high mineralization to the matrix, and the large coil becomes redundant.
-type of coil-> DD vs.concentric vs. mono. Each coil has a definite advantage over the other under different conditions
-frequency of signal from coil-> higher frequency usually (but not always) is more sensitive to tinier objects.
-VLF vs. Pulse Induction-> Pulse induction can easily pick up a dropped mini or gold ring with a medium sized coil 15-20" whereas a VLF might get about half that all other things being equal.
-Humidity, moisture in soil, orientation of target to the coil
--ability of the to perceive the receiving frequency from a coil and distinguish it's conductivity, depth, size etc.
-operator - properly setting up the electonic components based on knowledge and experiences
There are many more variables in involved affecting depth.....the above are just some of the more obvious ones. So really, YOU need to figure out what you are looking for ie. relics vs. jewelery vs. common coins vs. deep copper/silver coins. You also need to know the soil conditions and other factors in YOUR area where you are going to hunt. Lots of electronic interference from above ground or below will make some of the most expensive machines useless, unless you turn the sensitivity way down, which often times reduces your depth considerably. Same goes with extremely high mineralization like in Australia or red clay oxidized clays in North America areas. VLF may really struggle under these conditions, yet a PI (pulse induction) will punch down deep with no trouble.
So.....how deep is the Pro? It is as deep in some instances and deeper in other instances and perhaps not as good as machines costing sometimes more then twice the cost of the . Throw on the 9 x 12 concentric coil in good ground and you have a very deep detector with great ID capabilities. Use the DD 8.5" x 12" coil in heavier mineralized soil, and it outperforms even the larger coil I just mentioned. Put on the 5" x 8" coil and you can easily pick out the good targets beside and often time underneath junk targets, while still getting great depth.
You want a machine for caches buried in feet, not inches - Garrett has it - http://www.garrett.com/hobbysite/1611800_treasurehound_eagleeye_searchcoil.aspx
You want extreme depth for water or land, check out the Garrett Infinium - http://www.garrett.com/hobbysite/hbby_infinium_video.aspx or Infinium Website http://www.findmall.com/list.php?62
You want a great all around machine for good depth + Salt or freshwater hunting (waterproof) Check out the AT Gold or : Gold: http://www.findmall.com/read.php?79,1615363,1615363#msg-1615363
You want to hunt common coins with sizing ability, check out the GTI Series- http://www.garrett.com/hobbysite/hbby_gti2500_training1_video.aspx
Why should depth not be the most important factor for purchasing a metal detector? Because depth is only relative to certain conditions. Most targets are in the top 6 inches anyway, so why do you need to go down to 15-20"? In places like salt water or areas with a lot of deep junk rusty targets, the large coil on your $1,500.00 machine is practically useless, and when set up to it's maximum potential in these areas, will only give you say 4-5 inches. If somebody is trying to sell you an expensive detector, that they say is the deepest machine, you had better turn around and run fast....as that equates with someone trying to sell you a a parcel of land in a swamp. There is no 'DEEPEST" machine....it simply doesn't exist. But there are BEST configurations of a metal detector type for any given matrix of soil.
As this is a Garrett forum, and I don't promote detector comparisons here, I will speak specifically on Garrett Detectors. They are one of the oldest and ORIGINAL designers, manufacturers of metal detectors in USA. They also have one of if not THE best customer service backups. Talk with the Garrett folks about a problem, and you are probably speaking with someone who also spends some of their spare time metal detecting. In fact, Garrett encourages their staff to sign out machines and use them ad lib on their days off. Garrett is up on the latest technology. They are constantly doing R & D to keep up with the newest and latest technologies. You won't find any cheap toggle switches and cheap knobs on the latest detectors. Toggles can easily break off, and knobs for tuning or volume wear out or change setting with the slightest accidental touch. Knobs are old technology and belong on static devices such as old TVs, radios etc. Garrett builds a variety of detectors. Want extreme depth? They have it....want a good all around machine with good depth and all around performance and water proof costing half of what other competitors have, Garrett has it. Want a low cost entry machine, with bells & whistles costing much less then the competitors...Garret has it. Do you need further support on detecting with any Garretts, they have it.....Garrett has many "HOW TO" videos on line for each model they sell.. Need some reading material? Garrett has the largest supply of home grown (written) books. Below is a list of all the detectors manufactured by Garrett.
Below is an air test comparison on various Garrett lines. Please note, that the air test with the GTI 2500 is in true all metal mode, not discriminate mode.
razerback408
Member
the coil is falsingBigCatDaddy said:
I wonder, is it possible to tweak a GTI 2500 to get more depth in discriminate mode without losing the imaging. I'm sure when Garrett comes out with a replacement they will do so. I just kinda like the layout of the GTI over the AT series, which will probably be what they base the replacement off of.
razerback408
Member
no not yetRebel1 said:
razerback408
Member
no problems but my 550 with dd coil is depper http://www.findmall.com/read.php?32,1744709 you can see it heerRebel1 said:
razerback408
Member
ithink that maybe i was running the sence to hi i need to turn it down to 7 and give it a try in the fieldRebel1 said:
razerback408
Member
n/t
GoGoGopher
New member
I run in the Jewelry mode, Sens at 10, search with image ON, elim the first 1" of ground trash...
Do you have the white 9.5 coil or the black spider 9.5? If you have the old white coil, look underneath it, and see if you can see cracks where the pieces join...If so, fill them in with marine silicon.
This was a common problem with the old white coils...It could let moisture into the coil.
HH,
Do you have the white 9.5 coil or the black spider 9.5? If you have the old white coil, look underneath it, and see if you can see cracks where the pieces join...If so, fill them in with marine silicon.
This was a common problem with the old white coils...It could let moisture into the coil.
HH,
joelogan25
New member
I knew it wasn't a bad coil... Yeah you don't want to run it too hot! I ran it 6 or 7 bars down here. I bet you're having a helluva time digging with that drought going on!