Ground Master Ground Purifier by Puritan Audio Laboratories

Ground Master – The Safe and Effective Way To Eliminate Ground Noise

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The Ground (or Earth) connection is the absolute reference for your vital system voltages. As such, it has to be as silent and stable as possible.

The ultimate way to eliminate ground-line noise is to utilize clean, dedicated earth, which is fraught with myriad safety and regulatory issues.

The Ground Master eliminates all of the problems typically associated with the connection of additional earthing rods (or other buried metalwork) into an audio and/or audio-visual system, and allows for a simple, economical, and substantial upgrade to your listening and viewing experience.

Almost every modern electrical item is equipped with a high-frequency switching power supply that uses its Earth connection as a dumping ground for the interference they generate. With substations often serving hundreds of houses, your HiFi Earth/Ground connection could be connected to thousands of Earth Line polluting appliances.

With the Puritan Ground Master (used in conjunction with an additional Ground Rod), offending noise and disturbance frequencies are identified and channeled through a low-impedance route to the ground, ensuring their elimination.

• Dedicated Custom Guide Array
• 12 Individual Alternately Tuned Frequency Guides
• Simple Installation
• Kills Ground Noise Dead
• Blacker Silence and Subtler Detail
• Widens and Deepens your 3-Dimensional Sound Stage
• Rock Solid, Stable Imaging

The Audiophile Man
“Of course, some hi-fi users might find the Ground Master impractical. Those living in flats/apartments, for example. For everyone else, as you will see below, the Ground Master can be the beginning of a rather complex array of gizmos that sit in and around the central box. You can buy varying lengths of wire, as you might expect, but you can buy extended rod lengths and you can also add a conductive soil compound in the ground, around the copper rod that, I hear, is also utilised by utility companies. I’m afraid that I was unable to test the latter. This review at least provides a start, a launch pad. From this point you can experiment and tweak to your heart’s content.”

https://theaudiophileman.com/ground-master-puritan-review/

Hi-Fi choice
“the Ground Master connected, there is definitely a noticeable reduction in the background noise in my setup. Silences between tracks seem darker and, overall, I feel that the music has a slightly improved realism. ”

https://www.hifichoice.com/content/puritan-ground-master