1st Run With The Xceed 12x7 Mono

[phrunt]

The good thing is it's another option and by all accounts a good one too.   I've decided I'll give it a miss and wait for the smaller coil to come along, at least its different enough to the coils I've already got, that 16x10" really intrigues me too, obviously won't be as sensitive as these smaller coils and that was evident with the stock Minelab 17x13" coil, that thing is gutless on small gold compared to the smaller coils but that was obviously not its intended purpose.

As long as they can keep the weight down on the 16x10", the 14" DD makes the 6000 feel much heavier than the GPZ 7000 with a smaller coil on it which I've usually got on.

[Aureous]

On 2/3/2023 at 1:21 AM, afreakofnature said:

Nice reports guys!  Throw the 11” in there too next time for QA/QC ?

The stock 11 is a 'known beast' and as such the benefits of the 'proper' new coils are obvious to the end user. The first thing that became obvious was the noise difference. The 12x7 just purred like a kitten compared to the stock 11. It handled mineralized soil far better too. I didn't feel the need to drop down from Auto 1 hardly at all. I'm now wondering if the EMI handling is better as well.....I reckon the NF shielding is far superior to anything that the sub-contractors for Plexus in Malaysia are capable of. I only used the frequency scan once in 3 days....and that was only to see if there was any improvement on the near-perfect threshold it already had. It didn't. Once the noise difference was accounted for, any further cross testing with the stock 11 against the newer coils was mute.

 

If I had to place a 0-100 'score' on the overall 'noise' of the 12x7 versus the stock 11 it would be:

NF Xceed 12x7:   90/100.    Still a little bumpy threshold but barely affects signal clarity and ground noise was greatly diminished.  Zero EMI, no scans necessary.  Y Axis noise still present but very stable up until C. 40 degrees.

ML Stock 11:   60/100.  Threshold is affected to the point where tiny signals or soft signals are obscured and ground noise is noticeable as is EMI (multiple scans per day to reduce). And my stock 11 is a 'good one' lol. Y Axis noise is present at anything greater than 15 degrees.

[Dutchman4]

Has anyone compared the depth performance on different size targets between the NF 12x7 and the Stock 11 inch?

[Aureous]

7 hours ago, Dutchman4 said:

Has anyone compared the depth performance on different size targets between the NF 12x7 and the Stock 11 inch?

The stock 11" coil is poorly shielded and suffers from ground noise saturation. The NF 12x7 is on par with it for depth except it is way quieter and more sensitive to small targets. A much better choice as a general purpose coil. The Coiltek 9" round also is a match for the stock 11.

[Goldseeker5000]

I love the 12 x 7 Exceed, it punches deep, however it is equivalent to a 9" round. I would caution anyone from omitting the 11" stock coil from their hunting majority of the time. Though the 12x7 punches deep, I definitely feel it cannot match the 11" on depth on some nuggets. You can't compare apples to oranges and you realistically can't compare a 12x7 (9" round) to an 11" round. I pulled a deep 1.55 gram nugget around 14"-15" deep with the 11" stock coil. The day before the 12x7 couldn't hear it. It was barely audible with the 11 " round. I am certain the 11" will go deeper on some nuggets. But on the other hand I think the 12x7 will punch deeper on smaller gold. 

[Aureous]

22 hours ago, Goldseeker5000 said:

I love the 12 x 7 Exceed, it punches deep, however it is equivalent to a 9" round. I would caution anyone from omitting the 11" stock coil from their hunting majority of the time. Though the 12x7 punches deep, I definitely feel it cannot match the 11" on depth on some nuggets. You can't compare apples to oranges and you realistically can't compare a 12x7 (9" round) to an 11" round. I pulled a deep 1.55 gram nugget around 14"-15" deep with the 11" stock coil. The day before the 12x7 couldn't hear it. It was barely audible with the 11 " round. I am certain the 11" will go deeper on some nuggets. But on the other hand I think the 12x7 will punch deeper on smaller gold. 

Ive cross-tested over 30 different targets between the 11", 12x7 and 10x5 mono's. Everything Ive seen with the 11 could be heard with the 12x7. True, the 11 was better on a few targets but heard non-the-less. In Aussie conditions, the mineralization noise is a killer and the narrow cross-section of the 12x7 assists a lot I suspect. Plus the different wire winding is inherently quieter too. I am anticipating that  the new 15x10 will be a better option when detecting in open terrain. I havent used my stock 11 (apart from testing)since I got the 12x7 and 10x5 coils. Now gathering dust in the cupboard. 

[Goldseeker5000]

Controled tests mean nothing unless you have two 6000's, one with the stock coil and one with the 12x7 and run each one over a real target (Gold) undug, undisturbed to see how they both fare. Anything less than this and the results won't be accurate. Some people might be ok with leaving the 12x7, 5x10, 9x14 coils on all the time, but I can't afford to make that mistake again after having done so with the 9x14. The 9x14 was missing small gold! This went on for a month before I realized it couldn't compete with the 11"stock coil on small gold. I hunt for gold for a living with a detector and will continue to take each coil over same ground to make sure I don't miss anything. 

[PhaseTech]

What I would love is a 13" round coil, built like the 12x7". I'd be happy to sacrifice some performance on fly shist, in order to gain a little depth on the slightly bigger bird poo, and hopefully one or two worthy of being called a nugget haha. 

[Aureous]

23 hours ago, Goldseeker5000 said:

Controled tests mean nothing unless you have two 6000's, one with the stock coil and one with the 12x7 and run each one over a real target (Gold) undug, undisturbed to see how they both fare. Anything less than this and the results won't be accurate.

I couldn't agree more. Its the ONLY way to cross test detectors and coils for complete accuracy. I (mostly) didnt have 2 detectors but had to mark the signals and change coils... very annoying and time-consuming. But its the only way to have complete trust in your detector and coil combo's. I also detect for income and have done so for 41 years.