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RE: Looking for quality solderless XLR 3-pin connectors for a project

Posted by cdc (A) on July 13, 2023 at 11:58:54

In Reply to: RE: Looking for quality solderless XLR 3-pin connectors for a project posted by gusser on July 13, 2023 at 10:51:57:

I think you are thinking of a star grounding scheme. The name used "ground box" for these devices are misleading. They are not used as grounding devices. If one chooses they could be used as a single ground point, but that is not what they were designed for and is not how I use them. None of the individual boxes are connected to signal ground and earth ground at the same time. When filtering earth ground, they will have a dedicated box.

I currently have 11 of these DIY devices in my headphone system. I will provide link to a Head-Fi post where I recently commented on these installs. The pic is of one of my DIY ground boxes, it is installed on an unused SE input on the amp. How I use them is as a filter or noise drainage device. Here is how they are implemented:

* DAC - 4 boxes, 2 (L&R) SE RCA signal output, 2 digital outputs (BNC and RCA)
* Amp - 2 boxes, L&R RCA signal inputs
* Internet Coax connector at wall
* Modem/Router Coax connection
* Main PLC that distributes to audio system. AC Plug to ground box
* Balanced Isolation PLC that powers source (PC). AC Plug to ground box
* Balanced Isolation PLC that powers DAC, iFi DDC and modem/router. Ground box lead is attached to copper ground binding post I wired to star ground in PLC unit.

With each successive install of one of these devices the systems sonic capability is improved. The cumulative effect is stunning. To give you an idea the effect these devices have had in my system... You decided to replace a power cord on a specific component. Imagine on any of your components you have 5 very good power cords to try on your piece of gear. Each are different but one you prefer the most, enhances your system the most. The ground box I am using will increase performance of said component from 3-10+ times (depending where it is installed) what that cable upgrade provided. I am not kidding or trying to sell you anything. I was shocked and cannot stop experimenting with this concept. And the boxes (DIY) can be tuned to enhance specific sonic characteristics of the system. WAY cool!

Something I cannot explain or fully grasp yet. These devices are never in the signal path but every aspect of the design effects its performance. I just know of the cause and effect when different materials used and implementation.

https://www.head-fi.org/threads/diy-ground-box-thread.968372/page-10#post-17642084

This post is made possible by the generous support of people like you and our sponsors:

Atma-Sphere Music Systems, Inc.

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