Puritan GroundMaster City (Earth Line Interference Eliminator)
- Blacker backgroundsRemoves earth-line interference
- More detailLets subtle details come through
- Bigger soundstageWider, deeper stereo image
- Precisely tuned12 alternately tuned frequency guides
- Simple to installNo complex set-up
- Works on any systemHi-fi and home cinema
Buy online with confidence
79 years of hi-fi expertise · established 1947
Genuine UK stock with full manufacturer warranty, free next day delivery over £50 and 14-day returns. Need help? Our experts are on 0115 975 8613.
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Genuine UK stock, full cover
Hassle-free if unused
All major cards accepted
Real advice, before and after you buy
Questions? Call our experts on 0115 975 8613 or send a message.
Why you'll love the Puritan GroundMaster
The benefits that matter, at a glance.
Dedicated Custom Guide Array
The device features a custom guide array tailored specifically for optimal performance.
12 Individual Alternately Tuned Frequency Guides
Designed with 12 individual frequency guides, each tuned alternately for enhanced sound quality across various frequencies.
Simple Installation
Easy and straightforward installation process, ensuring hassle-free setup.
Ground Noise Elimination
Effectively eliminates ground noise, providing a clean and uninterrupted audio experience.
Enhanced Silence and Detail
Achieves deeper levels of silence and subtle detail, enhancing overall audio quality.
Expansive 3-Dimensional Sound Stage
Widens and deepens the sound stage, creating a more immersive and lifelike listening experience.
Rock Solid, Stable Imaging
Delivers rock-solid and stable imaging, ensuring precise and accurate sound reproduction.
Overview
The Puritan GroundMaster City tackles a hidden enemy of great sound: interference carried on your home's earth line from the many appliances sharing it.
Why you'll love it
- Channels noise away through a low-impedance route
- 12 individual, alternately tuned frequency guides
- Deeper silence, finer detail and a more three-dimensional soundstage
- Simple installation
Perfect for
Serious hi-fi and home cinema systems in busy homes and city locations.
Why buy from Nottingham HiFi?
Hi-fi experts since 1947. Genuine UK stock with full manufacturer warranty, free next day delivery on orders over £50 (order by 3pm), 14-day returns and real advice on 0115 975 8613.
In the box
Not sure what you need?
Tell us about your room and kit, and our team will build you a matched system, at no extra cost.
Call 0115 975 8613 →Free next day delivery
Free next day delivery on orders over £50 – order by 3pm. Saturday delivery available in the basket.
Genuine UK stock
Every product comes with the full UK manufacturer warranty.
14-day returns
Changed your mind? Send it back unused within 14 days.
Experts since 1947
Real advice before and after you buy. Call 0115 975 8613.
Puritan GroundMaster – frequently asked questions
What does the GroundMaster City do?
Modern appliances dump interference onto the shared earth line. The GroundMaster gives that noise a low-impedance path away from your system, so your hi-fi sounds cleaner.
Will I hear a difference?
Most owners hear deeper silences, more detail and a wider soundstage. Call us on 0115 975 8613 to talk it through.
Is it hard to install?
No, installation is simple. Call us if you would like advice for your home.
Does it work with home cinema?
Yes, it benefits any audio or AV system.
How quickly can I get the Puritan GroundMaster?
It is in stock now. Order by 3pm Monday to Friday and it arrives the next working day, free on orders over £50. Saturday delivery is available as an option in the basket.
What warranty does the Puritan GroundMaster come with?
It is genuine UK stock and comes with the full Puritan UK manufacturer warranty, so you are fully covered.
Can I return the Puritan GroundMaster if I change my mind?
Yes. You can return it unused in its original packaging within 14 days of delivery. See our returns policy.
Still got a question about the Puritan GroundMaster? Call 0115 975 8613 or send us a message.
Delivery
Free next day delivery on UK orders over £50 – order by 3pm Monday to Friday. Saturday delivery available in the basket.
Returns
14-day hassle-free returns on unused items in original packaging. Returns policy
Collect in store
Unit 8, Dillion Court, Gamble Street, Nottingham NG7 4EX. Free parking outside.