At Axpona last year one room had a five gallon plastic pail full of good old earth. A ground rod into it. When he would disconnect it we heard the difference.
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Put this thing against your black tower will increase the effectiveness by 5 folds. Wait! 5 times of noting is still nothings. 
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That thread has over 88 pages! That will take me two days to read and I will forget the first 44 pages of it.
I just need to know how I can convert my whisky wooden box into a giant grounding device. Maybe you can help to summarize
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This should be good enough to get you started
Most of mine (4 if I know how to count wooden blocks) are a variation on the last recipe
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Very nice, I will finish my whiskey sooner.
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This product, listed in the review at USD 600 can be had at Amazon for USD 200. I my Amazon all there are lots of pictures inside and it seems like a decently put together box.
Update
I had a typo. It said â20 USDâ and should be â200 USDââwhich is still a low cost unit.
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Q: A grounding pole at the lawn, or a City connected to mains earth are likely to have a long life and endless capacity to get rid of all that we would like to get rid of.
However, I do get the impression that grounding boxes made up of crystals and minerals tend to lose part of their efficiency over time.
Do anyone have any experience regarding stand alone grounding boxes longevity?
Where does it listed in Amazon?
I can find it in my app, which is set up to âAllowed to deliver to Swedenâ.
On the website, it redirects me to my app.
Trying to use US-market only. I did not find it. But if one contacts the seller they usually ship all over. Thatâs very common on Amazon and the rule on eBay.
Iâll have another go and try to find a working link
Toplionace Box One HiFi Audio GND Amplifier Decoder Speaker Audio Grounding Box Tuning Box Power Purifier Electronic Black Hole Ground Box https://amzn.eu/d/a9d7i5S
Do see the alternative product name (on Amazon). The name in the review and on the pictures are the manufacturers product name.
Adi O is the name of a high end audio YouTube channel. The owner is an electrical engineer that makes improvements and play the same Anette Askvik track (Liberty) in most videos (so that you can notice the difference).
He is really going the ultra high res route with lots of pure solid silver, making grounding even more important (as there might be more harshness in a silver setup)
He has rebuilt a Audioquest Niagara to improve sound and put better caps and cables inside a Gryphon amp.
He has a few videos on step by step making a grounding box.
Mikey also have got a similar video.
But as I said, a regenerator makes sound better long term while a box might have limited life (unless refilled). Grounding via mains or rod should have the long life efficiency
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Thanks for all the info. I found Puritan pSM156/GroundMaster City/PSA p15 work well together, and Iâll try RouteMaster/City in addition later.
After that Iâm well grounded. But I figure I may try a DIY ground box to see if thereâs anything different.
Aliexpress has some Groundbox. Xangsane has got a a new little Groundbox.
https://quartzacoustic.com/shop/qa-premium-audio-ground-box-quad-size-with-4x-1m-cable-selectable/
You can find a lot of 
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Entreq are known for improving also bass while sticks like Chord GroundAray only improves flow, harshness, higher frequencies, soundstage, depth etcâŚ
Entreq has worked (R&D) on their internal material and developed that as core business for almost 25 years. Itâs not their side business. Material inside the boxes are their core business that they try be market leader of.
My advice is to read review of older and newer Entreq models to try to find out what material is best.
It started with Tellus, then Silver Tellus, Then the Infinity line, then the Olympus line and it has continued since. A few things makes it more complicated such as different cable material and the possibility to upgrade the screw in the grounding box.
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Full disclosure: I own 5 Entreq products and have spoken to the owner twice. I think their products are ultra high performers.
That said I have yet to try their ground boxes.
The website have got a decent amount of interesting information but it can be tough to navigate. Itâs worth looking a round a bit.
Is your Puritan 156 connected to the P15? Does the P15 improve the sine wave and provide capacity and then the Puritan cleans remaining noice?
Or are the connected parallel to each other?
Yes, Entraq is also the well-known pioneer in Groundearthing boxes. There are some who demand a lot of money for such a solution, because prices are beyond good and evil. In the end, these are not much different than the other boxes filled with stones. Thanks to Vmaxâs HF foil recommendation and my tourmaline plugs and Epluggs. The Audioquest power and XLR cables with the DBS should also help, as do the Furutech NCF plugs and sockets. I already find my system to be very quiet. I might try the grounding boxes again. Puritanâs solution for additional grounding or HF dissipation also seems to work. Best on a separate grounding spike. In the Puritan box, various capacities are intended to connect the devices to earth to conduct HF.
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