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link-https://www.facebook.com/groups/245308699667153/403446933853328/?comment_id=403472030517485&reply_comment_id=403476793850342&notif_id=1562580344994993&notif_t=group_comment
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: Enhancer 0 Members and 1 Guest are viewing this topic. « previous next »
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GARY
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« Reply #40 on: Saturday October 12 2019 19:54:50 AEDT PM »

Have not tried what you said Simon however if little volume then of little use. As you say I will also use the SP01 for the GPX. I have tested the B&Z, Rooster Booster, Nugget Booster, against the on board GPX Battery booster and found very little difference between them all. As yet to try and test the SP01 on the GPX in the goldfield.

Gary.
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GARY
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« Reply #41 on: Saturday October 12 2019 20:13:29 AEDT PM »

Another issue I had with the Rooster Booster and Nugget Booster was they use the GPX battery to power them although not sure of the mAh they draw for them to operate. I was also told the on-board GPX battery booster draws 100mAh to operate. However the tiny amps I mentioned and the SP01 using their own lithium battery as the power source.

Gary.
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steelphase
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« Reply #42 on: Saturday October 12 2019 20:55:50 AEDT PM »

  
Have not tried what you said Simon however if little volume then of little use. As you say I will also use the SP01 for the GPX. I have tested the B&Z, Rooster Booster, Nugget Booster, against the on board GPX Battery booster and found very little difference between them all. As yet to try and test the SP01 on the GPX in the goldfield.

Gary.

To run the sP01 on a QED you require a different input cable.

regards
Pat
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dasenator777
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« Reply #43 on: Sunday October 13 2019 01:35:11 AEDT AM »

  
Both of the tiny amplifiers that D777 and Blip mentioned a while ago here as well on FB that I also have work fine on the QED and also on the GPX. I have now one of these tiny amps, the one that has the Volume Knob also as an On- Off switch, attached to the side of the QED control box which allows me to adjust the volume level with the Nokia external speaker as well to my headphones, both of which have no volume control.

Gary.
i dont have any issues with headphones or external speakers running off the little amp i have the same as BLIPS, also the booster with in built speaker i use works the best, i dont even have to switch the gain on or its way to load, can plug earphones straight into it too, i posted a link somewhere here, just look for ukelee guitar amp on sleazebay. happy face
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dasenator777
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« Reply #44 on: Sunday October 13 2019 01:37:18 AEDT AM »

  
I have seen some QED's fitted with a headphone amplifier that also has an internal battery and volume control. Next time I come across one I will post the info.
theres a link somewhere on here BUGS, have posted it a couple times.  happy face
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dasenator777
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« Reply #45 on: Sunday October 13 2019 01:40:56 AEDT AM »

  
  
I cannot get the SP01 to work at all on the QED with either my 32ohm headphone or Nokia and Logitech external speakers. All I get is a buzz type sound in the headphone & speakers. Also I tried different settings on the SP01 but still the buzz type sound persisted. I was then concerned would the SP01 still work on the GPX after my tests and yes it worked okay.

Gary.

I had that too, it's the cable you're using, try pull the cable out a little bit on the QED so the contacts touch a different area and it will kick in, again it will have low audio volume.   I guess I'll just have to try get another amp for the QED, the one blip has won't send to NZ, I guess because of the battery/aeroplanes issue. I'll just keep using the SP01 on the GPX and the VLF's and find an alternative for the QED.  It won't be a B&Z, I couldn't bring myself to buy one of them.  I'll have to source one from China probably, they seem to get around the lithium battery and planes issue.

I like the look of these two.

  

  

that guitar amp workd the best on the qed, can have speaker or plug phones in it , 9v battery lasts about 35hrs  smile
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phrunt
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« Reply #46 on: Sunday October 13 2019 04:22:05 AEDT AM »

Ok, so the conclusion for the  SP01 on the QED is it needs a different input cable than when it's used on a GPX 4500.  Pat has made me that cable and it does work with the SP01 + headphones/earbuds (Important: As long as the headphones/earbuds work by being plugged directly into the QED).  The reason is the SP01's standard input cable is designed to disable the internal amplifier on the GPX.  Once using the different input cable the SP01 works fine on the QED with any headphones that work natively plugged into the QED and all the benefits of the SP01 are there.  If you're a headphone user, this is a highly recommended combination.

I'm now seeking an alternative for the QED to use external speakers.  Has anyone used the Guitar amp that uses 9v batteries? I do like the look of it, it's input cable is the same size as the QED's output too and easy to change batteries in the field if it goes flat :)  I see many amps with lithium batteries but their battery life is only about 6 hours, that's not suitable for me, that'll get me through until lunch time so I'd need 2 or 3 of them to last a days detecting.
 

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bugwhiskers
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« Reply #47 on: Sunday October 13 2019 07:20:30 AEDT AM »

For those with the equipment, skill and confidence there is the option of taking the Logitech speaker apart and routing the speaker wires to a socket to drive headphones.

Benefits:

Low cost
Light weight
Bluetooth
Volume controls
Long battery life

Audio out is the empty socket top right.
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GARY
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« Reply #48 on: Sunday October 13 2019 08:36:25 AEDT AM »

These are the two mini amplifiers I have for use on the QED.
They both appear to be the same except the one on the left uses the volume knob as the on/off switch whereas the one on the right uses a very tiny slide switch.

However the sP01 has move adjustment/setting options.  

Gary.
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GARY
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« Reply #49 on: Sunday October 13 2019 08:46:05 AEDT AM »

As I said I am yet to try the sP01 out in the goldfield.

Also I am trying to understand what Pat said on another forum in that it depends on what frequency your threshold runs at, then each filter will be slightly different. The filter switch selects a certain band of frequencies to be enhanced and so depending on the threshold frequency, the effect of each setting will be different. Therefore for this to work effectively it needs to work on a band of frequencies. This band will vary depending on the tone of the users threshold. The filter switch is basically there to move that band of frequencies.

Gary.
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bugwhiskers
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« Reply #50 on: Sunday October 13 2019 09:28:34 AEDT AM »

Hi Gary, what did the setup cost?
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GARY
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« Reply #51 on: Sunday October 13 2019 09:55:10 AEDT AM »

G'day Howard,

If you are referring to the mini amplifiers then the one on the left cost $26.20 and the one on the right was $36.95 both delivered freight free.

The sP01 cost a lot more however my family purchased all three for me as part of their Father's Day gifts to me, lucky me.

However if you are referring to everything in regards to the QEDs then it's all thanks to you.

Gary.
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Blip
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« Reply #52 on: Sunday October 13 2019 10:35:47 AEDT AM »

  
  
I cannot get the SP01 to work at all on the QED with either my 32ohm headphone or Nokia and Logitech external speakers. All I get is a buzz type sound in the headphone & speakers. Also I tried different settings on the SP01 but still the buzz type sound persisted. I was then concerned would the SP01 still work on the GPX after my tests and yes it worked okay.

Gary.

I had that too, it's the cable you're using, try pull the cable out a little bit on the QED so the contacts touch a different area and it will kick in, again it will have low audio volume.   I guess I'll just have to try get another amp for the QED, the one blip has won't send to NZ, I guess because of the battery/aeroplanes issue. I'll just keep using the SP01 on the GPX and the VLF's and find an alternative for the QED.  It won't be a B&Z, I couldn't bring myself to buy one of them.  I'll have to source one from China probably, they seem to get around the lithium battery and planes issue.

I like the look of these two.

  

  




Simon, that first one im sure Dasenator uses that one. The second one looks identical to thee one i use only printing on it is different. There is another on ebay that has a larger battery for a little more. That amp on AliExpress is dearer than on ebay but not a biggie if you need to get one into the country. Id prob go for one with the larger battery. I havent ran mine for a full day yet so cant give feedback on it’s longevity.
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Blip
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« Reply #53 on: Sunday October 13 2019 10:39:45 AEDT AM »

  !2153!AU!-1
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Blip
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« Reply #54 on: Sunday October 13 2019 10:51:56 AEDT AM »

  
As I said I am yet to try the sP01 out in the goldfield.

Also I am trying to understand what Pat said on another forum in that it depends on what frequency your threshold runs at, then each filter will be slightly different. The filter switch selects a certain band of frequencies to be enhanced and so depending on the threshold frequency, the effect of each setting will be different. Therefore for this to work effectively it needs to work on a band of frequencies. This band will vary depending on the tone of the users threshold. The filter switch is basically there to move that band of frequencies.

Gary.

Im having troubles with tthe ipad atm so iff i post and itt doesnt make sense youll get it!

Gary, that second amp has a larger battery. Id be surprised if that doesnt run for 8 hrs!

Re frequencies yeah heence why i asked Pat if the SP01 would suit the QED in that rregard.
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GARY
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« Reply #55 on: Sunday October 13 2019 11:23:18 AEDT AM »

  

Gary, that second amp has a larger battery. Id be surprised if that doesnt run for 8 hrs!


Okay as there is a difference in weight between the the one on right which weights 115grams and the one on the left 78grams. Have detected for 6 hours straight with the one on the right on the QED, so battery life up  until then, no issues.

Gary 
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swaterhouse
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« Reply #56 on: Sunday October 13 2019 11:49:37 AEDT AM »

  
  

Gary, that second amp has a larger battery. Id be surprised if that doesnt run for 8 hrs!


Okay as there is a difference in weight between the the one on right which weights 115grams and the one on the left 78grams. Have detected for 6 hours straight with the one on the right on the QED, so battery life up  until then, no issues.

Gary 

If a guitar amp works however battery life isn't past 6-8 hours then you would just run this attached to it through out the day:

EBAY ITEM : Renogy 10000mAh Solar Power Bank Dual USB Phone Charger Camping Hiking LED light

EBAY LINK :    light/293107680483?hash=item443e9444e3:g:g58AAOSwh-Jc7jHM&frcectupt=true

I personally am about to get a QED PL2 and I'm wanting to get a audio booster. I was considering for the QED: DETacc BE02 Audio Amplifier

Has anyone used this?



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phrunt
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« Reply #57 on: Sunday October 13 2019 14:45:49 AEDT PM »

Thanks for the link Blip, only problem is ...... the same problem always from OZ with ebay and lithium batteries.

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If I buy from Aliexpress the Chinese seem to have ways around batteries and shipping, they can do it no issues.

If Pat's intending to make a new SP01 for external speakers that will work on the QED I'd be in queue to buy that as I am certain I'd rather use my SP01 than a normal headphone amp, it's worth the dough.

I ordered that 9v guitar amp in the meantime, I might gut a X-50 and try that out too, thanks for the idea Howard.

Maybe I just need to fork out the cash and buy this one, 12 hour battery life... that's more my style

  
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dasenator777
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« Reply #58 on: Sunday October 13 2019 15:13:23 AEDT PM »

yes the LH380 guitar amp is the same as the one i use, i know a few members from another forum have used them in WA for a few seasons now. i run a 9v square lithium battery in mine, have never run out of juice recharge the battery every night.
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Blip
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« Reply #59 on: Sunday October 13 2019 15:18:22 AEDT PM »

  
Thanks for the link Blip, only problem is ...... the same problem always from OZ with ebay and lithium batteries.

Postage:
Doesn't post to New Zealand | See details
 
Item location:
NSW, Australia
 
Posts to:
Australia See exclusions

If I buy from Aliexpress the Chinese seem to have ways around batteries and shipping, they can do it no issues.

If Pat's intending to make a new SP01 for external speakers that will work on the QED I'd be in queue to buy that as I am certain I'd rather use my SP01 than a normal headphone amp, it's worth the dough.

I ordered that 9v guitar amp in the meantime, I might gut a X-50 and try that out too, thanks for the idea Howard.

Maybe I just need to fork out the cash and buy this one, 12 hour battery life... that's more my style

  


Here Simon. 1500ma battery against the one you listed at 1200ma

  
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australian electronic gold prospecting forum.com  |  QED users  |  QED users (Moderator: bugwhiskers)  |  Topic: Enhancer « previous next »
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