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#21 azblackbird

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Posted 06 October 2011 - 03:29 PM

Before somebody laughs let me point out that a 0.1 grain flake at $1600/oz is 33 cents. And yeah, I could pan or sluice them but where I get them water is far away.

I'll still bend over to pick up a quarter. Posted Image

#22 Tracker

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Posted 07 October 2011 - 05:51 PM

I have used the Gold Bug 2 since they came out. I also have a Gold Bug Pro that I have used a lot in Alaska. I got to play around with Chris' unit also while in Australia.

The Gold Bug Pro is a great little unit, especially for someone who wants a multi-purpose detector strong on gold. I do think on gram size or better nuggets it can equal or exceed the Gold Bug 2 for performance. But it absolutely will not hit gold as small as I can hit with my Gold Bug 2. It struggles with extreme hot ground and hot rocks that the Gold Bug 2 will work better in. This is surprising as the Gold Bug 2 is such a high frequency detector. In both Alaska and Australia we got into hot rocks that were so bad that the only way to get a Gold Bug 2 or Gold Bug Pro to shut up is to go to the disc mode on both units. In constant cross checking the Gold Bug 2 would find nuggets in iron disc mode that the Gold Bug Pro would not register on, even knowing they were there. In all metal again it was surprising in Australia that the Gold Bug 2 would ground balance to hot red ground more effectively than the Gold Bug Pro. The Pro seemed hypersensitive to variations in the ground that the Gold Bug 2 easily handled.

Again, the Pro is a good little unit. But there is no way that it will be replacing my Gold Bug 2 as my go-to unit for small gold. I agree with Rob - the GPX 5000 and Gold Bug 2 are a killer combo.

The Gold Bug 2 forces me to think in grains. 480 grains to an ounce, and it is the same grain used in weighing gunpowder. So I use a digital powder scale accurate to 0.1 grain or 1/4800th of a Troy ounce. I very regularly find, well, let's not call them nuggets but flakes, that weigh up at 0.1 grain. I also get some that will not register at all as they weigh less than 0.1 grain.

Before somebody laughs let me point out that a 0.1 grain flake at $1600/oz is 33 cents. And yeah, I could pan or sluice them but where I get them water is far away.



#23 Tracker

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Posted 07 October 2011 - 06:41 PM

I agree that the GB11 is superior under those conditions, but in moderate dirt the GB PRO is deeper on a larger nugget, and in trashy areas the disc does a better job of eliminating iron. IMO the GB pro is close to preformance of the original GB on small gold or maybe a little better and has comparable depth. (Both operate at close to the same freq.) The original GB was deeper than the GB11 and if it had a disc. it would still be a great detector. I probably found more gold with the old Bug than with all my detectors since. (Biggest was 9 oz.)

#24 AzNuggetBob

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Posted 07 October 2011 - 10:24 PM

I think the GB2 is a great crumb cruncher as I call them. Dont get me wrong I keep one in my arsenal . My wife found her first nugget with one in a place i'd hunted several times with a GB1. They are great for small nuggets and some places very well suited. Its been my experience with them that they don't have a lot of punch in very hot ground because they are VLF and (ground balanced based circuitry ) and a little bit sensitive to hot rocks Ive never found anything large or deep with one but where most of the gold is small nuggets their a decent machine for the money. AzNuggetBob

"Finding Gold Never Gets Old"

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#25 DesertNuggets

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Posted 07 October 2011 - 11:26 PM

The ferrite choke worked amazingly! I hunted all day without one single beep of EMI. I put the choke right where the cable enters the control box.

Oh and I spoke to fisher and they sell the rain cover. Direct from the factory.

#26 Steve Herschbach

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Posted 10 October 2011 - 08:45 PM

This is a manufacturers dream. We are each laying out a case as to why for each of us this Fisher detector is "better" than that Fisher detector!

I admit I am spoiled rotten. I have a Fisher F75 Special Edition that has really treated me well in the UK on relics and ancient coins, and in Alaska hunting gold in trashy tailing piles. I have a Gold Bug 2 for chasing tiny bits. If I wanted both in one detector the Gold Bug Pro is it, and for a price lower than either. The Gold Bug Pro hits small gold much better than my F75, and the Gold Bug Pro is heads and tails beyond the Gold Bug 2 for anything other than small nugget detecting.

That said I guess Fisher is just going to have to be happy selling me on two more expensive detectors versus one that does what both will nearly as well for about 1/3 the price. But I suspect I am a tiny minority of purchasers.

#27 dutch john

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Posted 10 October 2011 - 10:32 PM

Steve... The Gold Bug Pro... one word from me... Wow!... The Bargraph and Phase Readings.
Also, pump the coil as you walk along... I bet'cha you know the "rest the story."

My Best to All... js

#28 DesertNuggets

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Posted 14 October 2011 - 08:13 PM

Well I just shipped the Gold Bug 2 back to Fisher for repairs... I haven't even had it for a month yet. All of a sudden it won't detect anything or ground balance.

The good news is Fisher said the turnaround was about 2 days. So hopefully I'll get her back sometime next week. They :)

#29 DesertNuggets

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Posted 21 October 2011 - 07:43 PM

They received it on Monday and I got it back today Friday. :D

It was a bad coil.

Thank you Fisher!

#30 minerjoe01

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Posted 21 October 2011 - 08:49 PM

I love threads like this! make me buy another detector! ha ha i know a guy that has a gb2 for sale for 400 bucks. I might trade him gold for it. If the pro works anything like the T2 that Dave Johnson also designed, i love that detector. It is hot on bigger stuff like 3 grains and up. My gpx will do that so i'm thinking another detecor that is hot on small gold with disc mode would fit me well, so yep Mr. Allison has a point. And Ray, like we talked about you seem to be the only one raving about this detector!

#31 Alchemist

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Posted 26 October 2011 - 05:39 PM

Hi,
If you drop back Steve, I just want to clear up a point you made in this post about the GB Pro
http://www.akmining....for-prospecting

With respect to iron disc on the G2/GB Pro. You are able to disc iron while running in all-metal. Not only do you have the Fe304 bar graph as an indication of iron content, there is the main meter at the top of the screen which usually indicates below 40 on iron, if it is large enough and not a boot tack, seems the nail shape is the hardest to disc. This machine is so smart it can tell when targets consist of both ferrous and non-ferrous metals. The main meter will show a reading above 40 while the mineral content graph will indicate high iron content, all while in all-metal mode.

I think there is a real danger listening to people who have used the GB2 a lot and then are asked to give their opinions on the GB-Pro. In most cases I have seen a poor recommendation given, and then only after they have used the machine for a day or two. It takes quite a number of days to really get to know the ins and outs of this great little machine.

I recently went over a well detected bit of bedrock right next to a main road, I got one 0.75 gram bit with the 4500, and got another 4 bits with the GB-Pro, two @ 0.1 gram one @ 0.04 gram and one @ 0.03 gram all were good clear signals, but they required just the right amount of gain and threshold settings to locate. Something that takes a bit of time to work out, certainly not apparent from a few hours use, especially when comparing a G2/GB-Pro to GB2. I suspect the 0.1 gram bits were on edge as they were flattish, and would've been easy pickings for the Minelab had they been laying flat to the coil.

I'm sorry I high-jacked this post, I just believe the GB-Pro isn't getting the credence it deserves, especially when misinformation is presented from people who we look up to for reliable information.

Cheers
Kev.




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