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Great add-on to Jason's post, JP. I too appreciate you guys taking the time to educate and share.

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Well stated from all.

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Just catching up on posts.  And then I see you made it to the Q!  HA!!  I could tell you were going to be heading out there soon.  I'm glad you pegged some of those you missed with other machines.

It is funny how spoiled we can get with the GPZ.  It really finds a lot of gold with crystal clear sounds.   !!BAM!!  not doubt … garbage or gold. !!BAM!! garbage or gold.  And then every once in a while only with the tiniest of gold tid bit patches, do you really have to listen.  ….gold or ground noise … And then you get grain and sub grainers.  But I have to admit, I spend most of my time as a spoiled little prospector, listening for the !!BAM!! noisy signals.   Gotta love the machine no matter the coil.


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Andyy, I mostly agree but sometimes, all too rarely for sure, those little teasing maybe breaks in the Threshold can be a deep one. But as you said the GPZ is pretty easy to get spoiled on. 

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Today I spent 7 hours of detecting with smoothing off, threshold at 24, bumped my gain back to 16 and slowed down to a glacial crawl and scraped or dug every single subtle, semi-repeatable tiny warble in the threshold I could pick up in 2 patches which I had just run the 17x12" and 17" round over. I started thinking all those barely there signals I got tired of messing with previously might have been nuggets after reading JP's thread so it was worth a go with brighter, non processed audio, to see what I missed. I've flogged these spots with the Z14 at least 6-8 times each too, plus a GB2. Originally ran with a thold of 12 and low smoothing on the Z14, as it was my go-to for Gold Basin. I knew there were some iffy signals to investigate.

I got about 30 or 40 hotrocks (mostly BIF and magnetite clusters buried 3"+ deep), a lot of small lenses of hot ground and black sand concentrations, a lot of disappearing signals, and I found one 0.17 grammer with quartz in it. That nugget was not audible in the ground on Difficult and I would have missed it if I tried tamping down the hotrock response by moving out of Normal, it sounded just like a barely audible buried BIF chunk. 

One thing I still know for certain is that kind of detecting still isn't for me. I know it's next level to find the almost non-existant signals and turn them into gold, and I know I could if I wanted to spend the time doing it. But, I believe I can get 95% of the gold in 10% of the time running low smoothing, 8-12 threshold, 18-20 gain, HY, Normal, out here generally and that lets me enjoy the time outdoors more, just my personal preference. The Z really does make signals pop and if you are on the gold and running hot settings, it's going to tell you without much effort or scrutiny required, the X Coils really do seem to sharpen up the responses even more on top of that too. A 10" or 17" X with low smoothing will hit stuff a Z14 with no smoothing can't hear even faintly. No equivocation. 

I am liking the 17x12 less and less and the 17" spiral round more and more. The 17x12 has a real problem with desensitivity at the ends, to the point that the 17" round is actually easier for me to pinpoint with and covers a ton more ground at greater sensitivity, paradoxically. The form factor of the 17x12 is greatly preferable, but I don't feel as if it's a lot of use when the coil isn't very hot at the ends. Maybe it's just my coil, dunno. I'll post a video tomorrow or sometime to show what I mean.

One thing - I cannot for the life of me run in Semi Auto with these X Coils out here, only full Auto. Otherwise I'm digging hot rocks every 2-5 feet. This is ground that I wouldn't call it exactly normal to dig more than 4 or 5 hotrocks a day in detecting normally. Ground is quiet though and it will balance fine. Another observation -  I haven't had a single "zed warble" target with the X Coils yet, not even trash, which is just an oddity and not a bug. Might just be my targets.

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    • By Rob Allison
      Hey Steve,
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