northwest Best coils for the QED?
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Saturday December 14 2019 16:54:41 AEDT PM
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Interfacion Pty Ltd is pleased to announce that the QED PI Detector has been modified to allow the use of DD (double D) coils. This change involves a simple change to the electronics within the control box.
The firmware has also been upgraded to include a further improved Ground Balance.
All detectors being delivered to new customers from Monday 5th August 2019 will already have the above upgrades included.
As a show of commitment to all QED owners, the hardware modification to allow use of the DD and CC coils will be provided at no cost.
Of course and as per the QED warranty, the firmware update is provided free of charge, except for P&H.
Any QED owner who plans to attend the Laanecoorie Bash is encouraged to bring their detector along and have it upgraded at no cost.
Standard postage and handling arrangements apply to other owners. Send via Australia Post the box (minus batteries) along with a pre-paid, pre-addressed bag/box to:
Interfacion Pty Ltd
PO Box 106R
Redan VIC 3350
Howard Rockey
Director Interfacion Pty Ltd.

australian electronic gold prospecting forum.com  |  QED users  |  QED users (Moderator: bugwhiskers)  |  Topic: Best coils for the QED? 0 Members and 1 Guest are viewing this topic. « previous next »
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Doug
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« on: Tuesday October 29 2019 13:03:11 AEDT PM »

 From users experience what are the best coils for the QED?
doug smile
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Goldman
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« Reply #1 on: Tuesday October 29 2019 14:08:42 AEDT PM »

  
From users experience what are the best coils for the QED?
doug smile

Hi everyone,

As far as coils go that are good on the QED, I offer the following:

Small coils
The NF Sadie, the Minelab 8” commander and the Coiltek 9” elite are all great coils on the QED. The Sadie and the 8” commander coupled with QED settings for tiny gold match the performance of the SDC2300. The 9” elite has proven to be also very sensitive to smallish gold, however being a flat wound coil it is also more sensitive to mineralization, so is a coil for those with more experience.

Medium coils
I’ll put the 11” elite in this category, but it is on the small side of medium. It’s the coil that spends the most time on my QED as it is a very good coil - sensitive to small gold, but can also go reasonably deep on the bigger targets.
The 14” elite is a proven performer on the QED ( see JR Beatty’s results with it).
I’ve also had good results with the 15” NF EVO.
The Detech coil range also perform well on the QED, refer to Stinky Pete’s YouTube videos, especially those in WA.

Large coils
Reg Wilson advises that the large coils (18” plus) run very well on the QED, quiet and run deep.

General
But let’s not forget the conventionally wound coils (not Elite, EVO, or Ultra sensing) as they are also great on the QED. Not being flat wound, they are quieter over the ground than the flat wound, so are great candidates to learn the QED with.

Elliptical coils run just as well as round coils. They also offer greater ground coverage and are better able to poke into/under bushes than round coils, so definitely have their place in your arsenal of coils.

I would be very interested in hearing other opinions re the above, so please comment as constructive comments help the greater QED community.

Cheers Goldman
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phrunt
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« Reply #2 on: Wednesday October 30 2019 19:39:37 AEDT PM »

Clearly I'm a big fan of the X-coils having a 12x6", 15x10" and 15x14" for the QED, aside from those I find the 14x9" Nugget Finder EVO a good QED coil, and also the 15x8" Detech Mono, the Coiltek 10x5" Joey Mono also works well.  I am in very mild soils though so results may vary I guess.  I was so tempted to buy a NF Sadie but I figured my 12x6" X-coil is probably better as it's semi flat wound and is my favourite QED coil.  I've always wanted a Sadie but what's stopped me buying one is high frequency VLF's work perfectly fine in my soils so the need isn't really there.
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Blip
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« Reply #3 on: Wednesday October 30 2019 20:11:18 AEDT PM »

  
Clearly I'm a big fan of the X-coils having a 12x6", 15x10" and 15x14" for the QED, aside from those I find the 14x9" Nugget Finder EVO a good QED coil, and also the 15x8" Detech Mono, the Coiltek 10x5" Joey Mono also works well.  I am in very mild soils though so results may vary I guess.  I was so tempted to buy a NF Sadie but I figured my 12x6" X-coil is probably better as it's semi flat wound and is my favourite QED coil.  I've always wanted a Sadie but what's stopped me buying one is high frequency VLF's work perfectly fine in my soils so the need isn't really there.

Simon, what have you got against round coils?  happy face
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Reg Wilson
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« Reply #4 on: Wednesday October 30 2019 21:04:20 AEDT PM »

Simon, as an X coil pioneer in regard to the QED, which do you think would be the ideal X coil configuration to be offered in a QED package, or would it be conceivable to offer the QED in a number of combinations.
It is interesting that some customers like the S or 'gooseneck' style handle and stem while others prefer a straight version, and being able to offer a number of adaptions seems to me to be a great benefit to the buyer.
Of course the distributor needs to hold a greater range of stock with this concept, however the consumer gains by being able to customize their detector to suit their needs and preferences.
Whichever the combination preferred, there is always the opportunity to increase ones coil arsenal due to the fact that any PI coil will now function well on the QED.
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Blip
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« Reply #5 on: Thursday October 31 2019 06:38:23 AEDT AM »

My next coil purchase will be in the 14” range. This coil will basically live on the ‘S’ QED when not using the 20”. My limited experience suggests to me the QED is sensitive enough to use a largish coil (medium) of the likes of the high performing X-Coil.

Now i know this is prob a minor neg point but why do coil manufacturers use a white or cream material with their coils? Even though its a minor squibble, youd think it would cost them the occasional sale being visually unappealing. Scuffed up and scratched they look worse again. The likes of the Nugget Finder with their neutral grey look great and continue to look so with use.

Al.
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phrunt
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« Reply #6 on: Thursday October 31 2019 07:55:40 AEDT AM »

I think it's a really tough decision Reg, The 12x6" is outstanding for EMI and sensitive to tiny gold but lacks the depth of the bigger coils.  I guess the same as the Sadie, you can't expect the depth of a bigger coil out of it.  The new 15x10 seems a good compromise, still very sensitive and gives better ground coverage and could be an everyday coil.  All the X-coils I have work perfectly on the QED, although as everyone is aware I'm in mild soils so people may not be able to run them like I do in maxed out settings.  

It's best there are options I guess.  I'd like to see X-coils team up with QED in the future, I think they're a great combination.

I believe coils are often white due to heat, NF has a pressure relief valve on their coils, the dark grey coils even get damn hot in our climate, white ones don't.  I believe that's why ML and others like Detech and X-coils do white coils. Pressure from heat couldn't be good for the windings.

I've always preferred elliptical coils and often smaller sizes as our gold fields are often very rocky... You just can't get a big round down to the ground.  With an elliptical at least you can get the nose in there.  In Australia with wide open spaces I guess rounds make sense.  The 15x10" gives you the benefit of ground coverage with the sensitivity of a smaller coil and I like that.

I am a straight shaft person, I have the S shaft QED and it's grown on me, I like it.  I also like how the QED can be customised at purchase time, not everyone wants a "standard" package, it's great being able to buy what you want.  My GPX was packaged with two DD's from the factory, an 11" and a 15x12".  I'm not likely to use either much so a waste of money.
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Dave63
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« Reply #7 on: Saturday November 16 2019 17:58:35 AEDT PM »

I messaged    about the x coils. He is located in NSW and is the sole reseller of the x - coil from Russia. I read about them on Detector Prospector Forum. He told me a specific individual is testing the 12"x6" x-coil on the QED. I will be very interested to see the review when testing finishes.

The coil are not cheap $650 AUD. The coils are not really available yet so hopefully the price will come down when in full production.

Indications are that the coils are very good.

Cheers
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GARY
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« Reply #8 on: Saturday November 16 2019 20:24:42 AEDT PM »

I am yet to view any video evidence to convince me that a spiral X-Coil is any better than the same size flat wound NF or CT when used on a GPX or the QED so I won’t be parting with the flat wound Evo.
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phrunt
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« Reply #9 on: Sunday November 17 2019 16:55:34 AEDT PM »

  
I am yet to view any video evidence to convince me that a spiral X-Coil is any better than the same size flat wound NF or CT when used on a GPX or the QED so I won’t be parting with the flat wound Evo.

I was hoping to video compare the 15x10" X-coil with the NF 14x9" EVO for you today but unfortunately I didn't get a chance, I'll try in the very near future.  The 15x10" is the closest size X-coil I have to an EVO.
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