Puritan Audio Labs
Ground Master City
Ground conditioner

The safe and effective way to eliminate ground noise

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

The Ground (or Earth) connection is the absolute reference for all of 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 utilise a clean, dedicated earth, but this is fraught with myriad safety and regulatory issues and people who live in apartments and other urban environments can’t drive an 8′ copper rod into the ground.

As almost every modern electrical item is equipped with a high frequency switching power supply (also called SMPS), which uses its earth connection as a dumping ground for the interference it generates, your HiFi earth/ground connection could be connected to thousands of earth Line polluting appliances. This accumulation of ground interference will severely degrade the reference your HiFi-signal refers to. The Puritan Ground Master City acts against this sometimes severe degradation of the reference your audio signal has.

With the Puritan Ground Master City, attach your Puritan power strip or conditioner and reap the benefits.

Blacker silence and subtler detail.
Widens and deepens your 3-dimensional sound stage.
Rock solid, stable imaging.

More information (PDF)

Reviews:
Ground Master From Puritan: REDUCING NOISE by Paul Rigby @ the audiophileman.com
“If I could encapsulate the Ground Master I would say that it makes your hi-fi sound…well, more expensive. It provides subtlety, finesse and polish. Add that price, which is a complete steal, and you have a no-brainer of an accessory for your hi-fi”.

Puritan Audio Labs GroundMaster CITY and RouteMaster system by Terry London @ StereoTimes.com
“Based on what I shared regarding the tremendous improvements in tonality and spatial qualities, I believe these devices are some of the most amazing bargains in high-end audio. Puritan Audio Labs has two products that cost less than $1000 combined, and that will take your system to a higher level of sonic excellence while keeping you engaged in the music”.

Puritan Ground Master @ Hi-Fi Choice magazine
“The sonic improvement is noticeable in the dynamics, detail, structure, spatiality, and naturalness, resulting in truly goosebump-inducing musical moments. Anyone willing to invest around 700 Euros to take their hi-fi system to the next level, and who isn’t put off by a few extra cables and boxes behind the system, should definitely give the Puritan Audio Laboratories GroundMaster grounding system a try. A real tip worth experiencing for yourself”.

Test: Puritan Audio Laboratories GroundMaster City und RouteMaster – Erdungssysteme für HiFi-Komponenten vom Falk Visarius @ hifi-ifas.de
“The sonic improvement is noticeable in the dynamics, detail, structure, spatiality, and naturalness, resulting in truly goosebump-inducing musical moments. Anyone willing to invest around 700 Euros to take their hi-fi system to the next level, and who isn’t put off by a few extra cables and boxes behind the system, should definitely give the Puritan Audio Laboratories GroundMaster grounding system a try. A real tip worth experiencing for yourself”.

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