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CZ vs F75 LTD...

B

Big Fang Coin Biter

New member
Hello,
I got pretty comfortable with a CZ7a Pro years ago. It was a fun machine and really punched down there. The CZ 7a Pro at great depth would give a coin-coin-iron-iron-coin type of signal (running no disc). I found a lot of these to be deep coins. I am considering getting an F75 LTD. I know that these two are way different machines, but I was wondering if someone that is familiar with both machines could point out any similarities or advantages. How does the F75 LTD sound at the edge of detection?
Thank you - BF
 
I had a cz3d and on 9" and deeper coins, there is little question that it is a good target with the LTD. 10" on dime/penny size coins is about the deepest I've dug so far with the LTD and there was good clean tone. Where the LTD really shines over my cz3d is when hunting trashy spots and it is a killer on those deeper, slanted and on edge coins. HH jim tn
 
There is a big difference on speed and masking it may be that the LTD is too fast for you and too chaty. With that said keep the CZ as a backup for EMI and learn the LTD and you will never look back.
 
BF I have the predecessor to the CZ-7a, the CZ-70 and I love it. I also have the F75 LTD. I've found them to be the perfect combination of machines for different situations.

For instance, the F75 LTD is easily knocked out of commission by EMI where the CZ-70 will run smooth (not that it isn't potentially affected by it, but it continues to work at whatever it's capabilities are within the given EMI parameters whereas the F75 is unusable). I've found that at my favorite sites that one machine will make finds the other machine will not, so I'll hit the area with both and I'm always amazed that the CZ-70 will pick out goodies the F75 LTD misses and vice versa. The past couple of weeks I've been using my CZ-70 at the ocean beaches, which is something that I have serious doubts about using the F75 LTD for (but I've read that there are a few people who are having success with it by doing a manual GB).

I do really like the F75 LTD, it's a very fast machine, has great target separation and in my soil it get's a little more depth then the CZ-70 IMHO (I'm with Jim, about 10" is the deepest "clean" coin signal I've yet to dig, although it feels like it had plenty of power to go another inch or two). If you're in a trash laden area, you need to slow way down with the F75 or you'll miss desirable targets. It is a faster machine then the CZ. You have two concentric, and four DD coil options available on the F75 whereas there's only four concentric coils available for the CZ. The F75 is MUCH lighter then the CZ, BUT I can hip-mount my CZ-70 AND CZ-70 is RAIN & SPLASH PROOF (I love that). CZ's are multifrequency so they excel on salt water beaches and in mineralized soil. The F75 takes 4 AA batteries that last about 45 hours, the CZ-70/7A take two 9V's which seem to only last about 25 hours...so much more bang for the buck on your batteries if you care about that.

Honestly I wouldn't say one machine is far better then the other, their different beasts, and both are great in their own right depending on the hunting environment. I've owned several deifferent detectors and the CZ-70 and F75 LTD have made my best and most desirable finds. Personally I think having the CZ-70 and the F75 LTD are the perfect combination of detecting tools that cover all your detecting bases (aside from serious nugget hunting I suppose) :thumbup:
 
I am a little surprised that the responses weren't more like "The LTD will blow away the CZ7a Pro"! I would have expected that a ten year old machine would be left behind in the dust. Now that I think about it though, the Explorer is about that old too. Aren't we due for a quantum leap in detector technology? I am surely ready.
Thanks again!
BF
 
iF YOU ARE A RELIC HUNTER THE LTD IS AS ABOUT AS GOOD AS IT GETS AND WILL BLOW THE CZ AWAY..
 
In general, I am finding that the LTD pretty much blows away any of the other detectors I have for most uses.

For now the CZ's are staying as my primary beach detectors because they are very forgiving on settings while over the wet sand at the salt water beaches.

In a couple of hunts at the beach with the LTD it showed that it can do very well, however I did need to really work to stay on top of the ground balance to keep it working well and deep over the wet sand. Over wet to damp sand the GB range was from just under 1 to the teens and into the 20's as more dampness went out of the sand. If the correct GB changed from 1 to 2 and I left it at 1, there was a fair amount of falsing until I corrected the balance. Was much more forgiving on ground balance when in the dry and the GB numbers would range from the 50's to about 70. If I was balanced at 50 and the ground I was hunting was at 60, I would start getting some falsing until I rebalanced, but not like where the change was from 1 to 2 over the wet stuff.

The LTD can do the beach job and do it well, I just still prefer the CZ's in that environment. And of course, with the CZ-20, I can just keep walking right into the water and keep hunting hunt.
tvr

PS Right now it's snowing. Could use some serious ground thawing!
 
tvr were you using a manual GB or fastgrab on the F75 LTD at the beach?

I've been using my CZ70 and Sovereign at the beach but am thinking about testing out the F75 LTD tomorrow at the beach as I've been hearing some really positive reports on the F75 (non-LTD) at the beach.

I'm thinking that the LTD should do really well at bringing up those iffy, deeper targets, and cutting through iron as long as it can deal with the salt.
 
Got to use manual GB over the wet sand on salt water beaches. It won't fast grab at those low numbers. Over the dry beach I can usually fast grab.

Mark G. and Tinfoil have both posted about beach set ups. Mark did a video with the F75.
Here are some links if you would like to review them:
http://www.findmall.com/read.php?26,1053294,1053294#msg-1053294
http://www.findmall.com/read.php?37,617795,618873#msg-618873

I couldn't locate the longer details of the hunt one that tinfoil had posted a while ago. It's a good read if you can find it.

Let us know how you do.
 
I Have a regular F75 and a CZ 70 If i could only have 1 it would be the F75
You are wright the CZ is fun and easy but handicapped by not having a DD coil
Now if i had a late night out :devil: and need to go easy i will take the CZ
Or if i am working near the water the CZ 12in coil is worry free .
If in old iron trash sites give me the F 75 and maybe some day the LTD HH Mike
 
I have a Cz7a Pro and a brand new F75 LTD
I dont have a test garden but about two weeks ago I buried a quarter 8" in my back yard, I decided to do a head to head test of the CZ vs an Omega vs the F75.

First the CZ gave a good response although it wasn't always repeatable but it Id'd as a quarter and was right on the money pinpointing the depth. It was a target response I would definitely dig.

The Omega chirped once or twice over the target but did not scream out dig me.

The F75 only chirped a bit over the target in cache mode and boost process,and neither one of those responses was saying dig me. Now I am brand new to the F75 and have basically turned it no, balanced it and run it over some targets in the yard so I am definitely a newbie but I am surprised the CZ beat it so badly.
 
skarmajunga,
Play with sweep speed. CZ's do best with a relaxed (slower) sweep speed. The F75 LTD, in most modes, finds and ID's best with a pretty quick sweep speed. BP (boost) mode likes a slower sweep than most other modes. Cache likes a slow sweep, but I must admit, I have not become comfortable with Cache mode in any conditions I've used it in; so I have not spent the time to really learn Cache.

If you are really tuned into the CZ and how it runs, you might want to speed your normal coil sweep speed up a good bit with the LTD. In my observations (i.e. opinion based on how I hunt) the LTD just kills the on edge coins that the CZ doesn't always hit hard on, particularly the small coins like dimes. The LTD also does very well unmasking non-ferrous when ferrous targets are discriminated out. The CZ will mask pretty badly on good targets near iron when discriminating out iron. Need to listen to all targets (disc 0) with the CZ.

F75 will find much smaller targets than the CZ. Double edged sword with that feature. Can chase small foil forever but can also get small gold, like very small earring backings, that the CZ won't see.

Different detectors with different strengths. I'm taking a CZ to the beach next week but not the F75 LTD. But then the CZ doesn't see as much of my dirt hunting now.

Most of all, enjoy the hunting!
Cheers,
tvr
 
Thanks for the reply tvr

I did play with the sweep speed a bit and it didn't seem to make a difference but I will keep at it. I really want to learn this machine. :O
 
skarmajunga said:
I have a Cz7a Pro and a brand new F75 LTD
I dont have a test garden but about two weeks ago I buried a quarter 8" in my back yard, I decided to do a head to head test of the CZ vs an Omega vs the F75.

First the CZ gave a good response although it wasn't always repeatable but it Id'd as a quarter and was right on the money pinpointing the depth. It was a target response I would definitely dig.

The Omega chirped once or twice over the target but did not scream out dig me.

The F75 only chirped a bit over the target in cache mode and boost process,and neither one of those responses was saying dig me. Now I am brand new to the F75 and have basically turned it no, balanced it and run it over some targets in the yard so I am definitely a newbie but I am surprised the CZ beat it so badly.
Click to expand...

I dug a SLQ at a measured 11" deep at a park in Oakland, CA. It was a clear, repeatable 4-way signal.

What settings are you using on your F75, as it should easily hit an 8" deep quarter, perhpas not a dime, but definitely a quarter.
 
Cal_Cobra said:
skarmajunga said:
I have a Cz7a Pro and a brand new F75 LTD
I dont have a test garden but about two weeks ago I buried a quarter 8" in my back yard, I decided to do a head to head test of the CZ vs an Omega vs the F75.

First the CZ gave a good response although it wasn't always repeatable but it Id'd as a quarter and was right on the money pinpointing the depth. It was a target response I would definitely dig.

The Omega chirped once or twice over the target but did not scream out dig me.

The F75 only chirped a bit over the target in cache mode and boost process,and neither one of those responses was saying dig me. Now I am brand new to the F75 and have basically turned it no, balanced it and run it over some targets in the yard so I am definitely a newbie but I am surprised the CZ beat it so badly.
Click to expand...

I dug a SLQ at a measured 11" deep at a park in Oakland, CA. It was a clear, repeatable 4-way signal.

What settings are you using on your F75, as it should easily hit an 8" deep quarter, perhpas not a dime, but definitely a quarter.
Click to expand...


I'll check tonite when I get home and list the settings
 
The F series don't hit well on freshly buried targets if there is any type of iron mineralization. The disturbed ground signal doesn't play well with the ground balance circuit so you will not get good result by digging a hole and dropping a coin in it. You'll have to try it over real world targets.

Just the way it is.

HH
Mike
 
Mike Hillis said:
The F series don't hit well on freshly buried targets if there is any type of iron mineralization.
Click to expand...

skarmajunga,
If Mike is right, and he normally is, you might want to try PF mode (plowed field mode) on that freshly buried quarter and see if it helps.
 
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