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Teknetics G2
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Fisher Coin Strike


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Teknetics G2
Fisher Coin Strike
Feature comparison between Teknetics G2 and Fisher Coin Strike
Options Teknetics G2 Fisher Coin Strike
Detector Type Coin and Relic Detector Coin and Relic Detector
Price $750 $1000
Manufactured in 2011 2003
Battery Type 9V Two 9V
Weight (Lbs.) 2.8 3.5
Operating frequency 19 kHz. 7 kHz
Display Yes Yes
Backlight No Yes
Target ID Numeric Numeric
Tone ID 4 Tones 4 Tones
Search Modes
  • Discriminate
  • Motion All Metal
  • Pinpoint
  • Motion All Metal
  • Disc Motion
  • Pinpoint
Ability to change coils Yes Yes
Ground balance Auto, Manual Auto
Waterproof Coil only Coil only
Warranty 5 Years Lifetime
Number of Reviews graph 5
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graph 20
graph 3
graph 3
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Avg. User Rating 4.33 4.20
Avg. Durability Rating 4.00
Avg. Ease of Use Rating 4.00
Avg. Depth Rating
Depth value
No data available yet

Most helpful review for Teknetics G2

G2 great detector
I been detecting for 30 years plus, used most detectors from low to high end, my main detector for field hunting was the T2, my back up detector was the G2. I took the time to learn the G2 well, working iron infested areas with great success finding old silver coins and some nice gold rings.
I find it to be a great detector in the trashiest of ground, working slowly and becoming familiar with its sounds and target ID. Is the KEY. There are detectors that go deeper, there are detectors that are built better, and there are detectors that have a great deal more electronics but, here's the facts, few if any metal detectors, are lighter, easier to set up, go's deeper on gold or silver coins with good discrimination, for around $700 dollars than G2.

If you take the time to learn it, you can compete with a lot high end detectors, when I get a good signal in iron infested ground I call my detector friends to scan there search coil with there $1500 dollar detectors over the target area and ask them what do you think? Lots of times they will say IRON !!!
I dig it sometimes there right but, many time there wrong. The other day I pulled a barber dime they checked, Iron they said, "wrong", later in the hunt a V nickel, after they checked, "Iron" wrong again, a three cent piece, three mercury dimes and silver halve dollar to which a $1500 detector didn't pick-up because it was on edge and in old cinder or coal dump area, so here's the deal, I know this isn't the best detector money can buy but, for me the G2 is-NOW- The first detector I grab on my field hunts, my love for this detector will only last as long as it produces, but for now coming from a treasure hunter who used a lot of detectors, I can't argue with success, for me the G2 is a keeper.
I make no recommendations, I'm just telling you my story. Thank you!
Fair man from Eastern US

Thumbs up! 69
Read all reviews for Teknetics G2

Most helpful review for Fisher Coin Strike

A costly experience
My comments on Fisher's CoinStrike.

I have been an owner of Fisher metal detectors since 1980. My first was a Fisher 555D, from then I owned a 1225X and now my newest and latest, a CoinStrike. That's over 24 years of ownership of what I thought was the best of the best. I still own the 1225X.

I recently had the bad experience of owning a CoinStrike for about 30 days. It was tested in my test beds and in both extremely trashy and clean sites. Each "outing" with the CoinStrike was followed up with a complete search with the 1225X to verify the CoinStrike's ability to find and detect coins and artifacts.

After extensive testing, I have concluded that the CoinStrike is a very cumbersome and difficult detector to use. Programming is very simple but use of the unit is so difficult that each hunt requires at least four times the effort that earlier Fisher detectors required in actually detecting, pinpointing and finding targets.

The complaints I have with the CoinStrike are:

The idea of the tactile menu pad is absolutely horrible. In many cases it takes repeated presses of the buttons to make them work. When they do, the delay from the activated "press" to something happening on the screen is so long that is unacceptable. In many cases, the delay is so slow that you have pressed the button again thinking that the last push did not work also, only to advance through the menu item you wanted to adjust.

The replacement of knobs in lieu of menu items does not work very well. To make any adjustment, whether a sensitivity or discrimination adjustment, takes about 100 times longer because you have stop searching to advance though the menu each time any adjustment is to be made. Due to the complaint in item #1 above, the simple act of making an adjustment while detecting is impossible. You have to stop what you are doing and fiddle with the menu pad where with a simple knob the adjustment would be made "on the fly" without the need to stop everything you were doing and go though the "gut wrenching" act of running through the menu while pressing tactile switches that may-or may not work on the first, second or third push.

Ground balance is a big?. There is no way to actually check to see it your ground balance is set correctly. You have to assume that the machine did it correctly when you performed the ground balance procedure. The procedure of "bobbing" the coil up and down to check ground balance does not work because you can only assume the correct balance is obtained if the coil does not cause a response as it nears the ground.

When detecting, the sound is so delayed from the time the center of the coil passes over the target until you hear it, that zeroing in on a target takes at least 10 times as long as with the old 1225X. While the 1225X has an instant tone as it passes over a target, the CoinStrike does not. It has enough delay to drive you crazy. Consequently, the act of actually zeroing in on any target, whether it be good or trash, takes a very long time in comparison with your other models. That means a lot longer time to cover the same amount of area with the other Fisher detectors.

It is impossible to tell if the Averaging mode is even working. No matter how many various tests of the averaging system are made, no difference is to be seen between A1 and A0. Even worse, the factory instructions cite that the system will be in A or A1. Not, A0!

Strange things happen at the most inopportune times. For example, the other day I was using the pinpoint feature to zero in on a target and the whole thing locked up. The readout read 51 and none of the menu functions would work at all. I had to turn the unit off and then back on to clear the malfunction. This is the second time that this malfunction has happened since I received the unit 30 days ago. This is not acceptable.

Another malfunction that happened on two occasions was that the sound did not work. The first time it happened I turned the unit off and then back on and the sound worked. The second time I had to switch over to my auxiliary unit because I could not get the sound to operate. After I got home I tried it again and the sound worked once again.

False hits are the most serious defect of the unit. No matter where the settings for sensitivity or threshold are set, you receive many, many false signals. The problem is so serious that your "trust" in the unit was seriously compromised and you spend a much greater time in confirming the target than you normally would. Consequently, a great deal of good hunting time was expended in trying to determine if you had a "diggable" target or a piece of trash. The CS had a really bad habit of triggering off metal (other than aluminum) bottle caps. While other machines including the 3D and my trusty old 1225X had no problem with them, the find them every time regardless of notch settings. Aluminum "twist caps" triggered just about all metal detectors of any brand.

The notching feature is a total waste of time. Nickel and zinc could be notched out but foil and tabs did not seem to eliminate anything. The machine was totally useless against a whole range of pull-tabs and to perform a search without digging everything up you had to notch out all the notch categories.

The all-metal mode is almost useless. As of this date, it has been impossible to ground balance the unit so that you could even use it. You always have a sound and only when the sound gets louder do you know that you are over some type of ferrous material. To make matters even worse, there is no sharp sound alerting you to the end of the materials or the beginning, only a very broad and extremely "mushy" tonal increase or decrease to signal actual passage in a very few cases. Other than that, you always have the signal that makes you believe that your auto ground balance is not working at all. For all practical purposes, it is useless in searching for targets. Another problem with the all metal mode is when you do seek a spot to auto ground balance, since it produces some type of tone almost constantly as the coil is placed upon the ground, how do you know you are on "clean" soil even if the readout is 00? Answer, you don't!

A major problem is in identifying coins lying on top of the ground or just beneath. If the coil is held at least 8 inches above the ground, when slowly sweeping over a coin, no problems exist. Lower the coil to the ground or less than 8 inches and slowly move in an "X" over the coin and it may, or may not, sound with each pass of the coil over the target. Not good! This has been replicated over and over again in actual hunts and on the test bed. Yes, I have tried it after ground balancing numerous times.

Coils. Fisher did not think far enough ahead to design a 5" coil for the CoinStrike. None is available. Consequently, hunting in severe trash will range from impossible to a horrible experience in trying to determine just what you are looking at.

In summary, I am highly disgusted with this unit. From being very slow in response to target identity to erratic and unstable operation. The absolute worst thing about the unit is the extremely cumbersome methods you have to take to change any settings! You have to step through the menu each time!

After a month of ownership I traded my CoinStrike in for a CZ-3D and am absolutely delighted with the 3D. Now, once again, I have immediate and complete control over the machine and accuracy and efficiency of the hunt is beyond my wildest belief.

A message to Fisher: Get away from touch pads and go back to KNOBS!
David Herbert from Alice, Texas

Thumbs up! 55
Read all reviews for Fisher Coin Strike