I have a cz6a that I bought used and it is in very nice cosmetic condition. Hardly looks used. Has the 8"coil. I took it out to the test garden and have some concerns. I could get a positive high tone signal and id on clad quarter at 5"....zinc penny 5"....clad dime 4". Same coins at depths exceeding that would bounce between coin and iron in any direction that I swept the coil. The dime fell out completely at 6.5". I ground balanced in autotune and was balanced at around 5..disc.0..sen.8. I played around with these settings to try and improve the signal, but these settings gave the best results. I understand the halo effect, but do those depths sound about right to you guys who have used the cz. I hunt some old home sites and farms where there is likely alot of small pieces of iron and nails and typically would pass over a target bouncing between iron and coin signals. I have had several detectors (garretts, whites, tesoro). Scratching my head on this one. Any feedback is appreciated. By the way, it was spot on reading the depths in pinpoint.
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cz6a or me
- Thread starter bailey1
- Start date
DetectorCollector
New member
How old is the test garden?Those depths seem mediocre to me.My CZ's bang coins all day long at 10"+.If they are freshly buried coins it has a big impact on depth and TID.Try an air test.I know they are not regarded as accurate however on the settings you were using you should hit a dime easily at 8".Hope this helps and good luck!
Bailey1,
What kind of ground do you have, and what kind of depth are you getting from your other detectors?
Unless your GB is way off, or your ground is mineralized and/or bone dry, you should be getting more depth than 6.5".
Bad ground, on the other hand, will certainly kill the depth.
Here's a question; When you originally made your test garden, did you first scan the ground in all-metal mode to check for/ and remove all the inevitable iron trash?
mike
What kind of ground do you have, and what kind of depth are you getting from your other detectors?
Unless your GB is way off, or your ground is mineralized and/or bone dry, you should be getting more depth than 6.5".
Bad ground, on the other hand, will certainly kill the depth.
Here's a question; When you originally made your test garden, did you first scan the ground in all-metal mode to check for/ and remove all the inevitable iron trash?
mike
The coins were freshly buried. There are various coins that have been there for about five years. They are buried at 7...8...and 9 inches. Could'nt pick them up with any consistency so I buried these to see at what depth I could expect to get a repeatable signal. I can check the depth on the meter and dig anything more than 5 inches that has a signal from iron to coin and back but I too thought those results seem mediocre.
DetectorCollector
New member
Any CZ I've ever owned and used never got less than 9" on a dime in an air test.Even my little 5" coil will hit 7" on a dime at around 4.5 sensitivity.I'm no expert but it might need to be looked at.Try the air test at about 4 to 5 sensitivity and see what happens.Maybe a bad coil?Its hard to say.Let us know what happens.
Doesn't sound quiet right. Like Mike asked, are you sure you don't have some iron mixed in the dirt? How did the other detectors you've had do over the deeper coins?
Try air tests to see if the results are any better. Make sure you aren't getting any chatter or other indications of interference before air testing.
If still not better than 6.5 inches on a dime, I think I would call the factory to see what they think.
Try air tests to see if the results are any better. Make sure you aren't getting any chatter or other indications of interference before air testing.
If still not better than 6.5 inches on a dime, I think I would call the factory to see what they think.
We were 12" over normal for rainfall totals in 2015. Ground is wet. Machine seems ground balanced and stable. I can run in aututune and tone stays pretty constant and I can run the sensitivity up to 8-9 without problems. The test area is clean. The other detectors have trouble with the smaller coins at 9". Dime is coming in at 7" while a zinc penny is at 8" but faint.
DetectorCollector
New member
Try the air testbailey1 said:We were 12" over normal for rainfall totals in 2015. Ground is wet. Machine seems ground balanced and stable. I can run in aututune and tone stays pretty constant and I can run the sensitivity up to 8-9 without problems. The test area is clean. The other detectors have trouble with the smaller coins at 9". Dime is coming in at 7" while a zinc penny is at 8" but faint.
DetectorCollector
New member
Also try slowing your sweep speed down.I found that CZ's get more depth and better TID from a slower sweep.Hope this helps.
bailey1 said:We were 12" over normal for rainfall totals in 2015. Ground is wet. Machine seems ground balanced and stable. I can run in aututune and tone stays pretty constant and I can run the sensitivity up to 8-9 without problems. The test area is clean. The other detectors have trouble with the smaller coins at 9". Dime is coming in at 7" while a zinc penny is at 8" but faint.
Yes, I can see where you'd be concerned...the difference between 6.5 and 9 inches can easily be the difference between clad and silver.
(And any CZ should be as deep as any other detector you've got.)
I'd call Fisher and see if they can check it out...might be a coil issue...might be a calibration issue.
Good luck,
mike
Thanks to everyone for your input. I have contacted Tom Dankowski and am likely going to send the cz to him Monday. I'll let you all know the outcome. Also, Tom says if the detector checks ok, he can convert over to cz3d specs if I choose to do so. I am likely going to give him liberty to do what he feels is best, but if you guys want to chime in with your opinions of the conversion then please do so. For instance, is it straight up a upgrade or are there some tradeoff accociated with the change?
Converting the points at which the detector gives high-tone or mid-tone is a decision that you need to make depending on how you hunt and use the tones. I dig all hing and mid-tones so there is no advantage gained with a conversion for how I hunt.
If you only coin shoot for high tones and hunt for old coins in areas where you are likely to get old coins, then the conversion may be for you.
Read the fisher intelligence reports about the CZ3d development and usage. Those reports may help you decide if you want to pay for a tuning change.
Fisher intelligence report
If you only coin shoot for high tones and hunt for old coins in areas where you are likely to get old coins, then the conversion may be for you.
Read the fisher intelligence reports about the CZ3d development and usage. Those reports may help you decide if you want to pay for a tuning change.
Fisher intelligence report
DetectorCollector
New member
All I can say is give your CZ to Tom and watch the magic happen.I should be getting one of my CZ-5's back from him today.I did not convert this one due to the fact it is a 10 out of 10 condition and I wanted to leave it original.I have another pristine CZ-5 converted to 3D specs by Tom that hits a dime @11.5".I collect CZ,s(6 at the moment) and they will all go out to Tom.He knows CZ's like no one else.I just sent another beauty to him today that I will most likely convert as well depending on how deep it hits and his personal opinion.Good luck with your CZ, I love mine and will never part with any of them.I only collect pristine examples.
I recently sent the cz6a to Tom Dankowski for calibration and have since received correspondence from Tom that he initially got 10.2" in his Florida soil. After calibration, he was able to boost that to 11.1". I had moved the detector to another location prior to sending to Tom and got around 9.5" with the air test. Must have had some interference with the previous air test. I will be curious how it does in my soil. Also, I gave Tom the go ahead on the 3d conversion as I hunt old sites and farm fields more than anything else. Maybe another detector for trashy areas is in my future. I will let you know my impressions of the conversion when I feel I can give a fair analysis.
DetectorCollector
New member
Hi Bailey,I'm happy to hear you sent it to Tom.He knows them CZ's better than anyone.He has done 2 for me so far and I just sent him another.The one on its way back to me now he boosted to 11.4" and did the 3D conversion.I have 2 he has done with the 3D specs and they run great.I just bought one he did and its hitting 12.2",simply amazing depth in my book.Where I live and hunt my soil is very mild in most spots so no depth loss.I can't wait for the warm weather to return so I can get out there.Good luck with yours,you are going to love it!bailey1 said:I recently sent the cz6a to Tom Dankowski for calibration and have since received correspondence from Tom that he initially got 10.2" in his Florida soil. After calibration, he was able to boost that to 11.1". I had moved the detector to another location prior to sending to Tom and got around 9.5" with the air test. Must have had some interference with the previous air test. I will be curious how it does in my soil. Also, I gave Tom the go ahead on the 3d conversion as I hunt old sites and farm fields more than anything else. Maybe another detector for trashy areas is in my future. I will let you know my impressions of the conversion when I feel I can give a fair analysis.