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Thread: Grounding boxes - The real deal

  1. #611
    Join Date: Jan 2008

    Location: Gerrards Cross

    Posts: 2,239
    I'm Tony.

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    Hi Jason

    RF as Alan mentioned is very pervasive and particulaly elusive if you are trying to locate / pin down a particular issue you know is relevant.
    Coherent Systems
    Real high end sound with musicality not hifi

  2. #612
    Join Date: Jan 2008

    Location: Winchester, Hampshire

    Posts: 282
    I'm Steve.

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    Steve.

    My System:- dCS Vivaldi Transport + dCS Vivaldi 2.0 DAC + dCS Vivaldi Master Word Clock + dCS Vivaldi 2.0 Upsampler, Melco N1ZH60/2 Digital Music Server/Streamer, TW Raven One tt/Graham Phantom II/Transfiguration Orpheus L, Whest PS.30RDT SE, Conrad Johnson GAT Series 2 preamp, Conrad Johnson Premier 350SA power amp, TAD CR-1 MKII loudspeakers, MIT Oracle MA/MA-X interconnects, MIT Magnum MA speaker cables, Tellurium Q Black Diamond USB cable, Tellurium Q Ultra Silver power cords, Ziro Disclosure & Vertex Roraima Hi-Rez power cords + Furutech FI connectors, Stillpoints ESS racks/component stands, Vertex Aletheia PSU2 balanced power supply, Coherent Systems RTZ3 ground box + CR/BD cables, Acoustica Applicata DaaD room treatment, dedicated mains.

  3. #613
    Join Date: Apr 2011

    Location: Surrey

    Posts: 4,110
    I'm Mike.

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    Quote Originally Posted by Discopants View Post
    http://www.data-connect.com/Patton_570_580.htm

    Ive just used one of these to galvanically isolate my hifi network from the modem and in power extenders and the sound quality improvements are significant. Comparable to some of benefits described by people using grounding solutions potentially.

    i have essentially eliminated a ground loop in the communication network.

    My soundstage is wider, taller and most noticeably much deeper. Music is also more relaxed , open and natural sounding.

    I borrowed this from a friend and I grounded the strap to my power hub earth point with 1m of 5 strand solid silver litz that i initially bought for a DIY entreq style ground box.
    Good stuff Martin
    Seems to be US centric
    How much did you pay and where did you get it ?

    Do you have any other mains devices around like ferrite chokes, filters or other ?
    TAD CD / DAC / Pre, Technics 1210, MCRU PSU, Mike New Bearing & Platter, Stillpoints LP1 weight, Speedy Steve Ebony armboard, Fidelity Research FR64FX arm, Ortofon SPU. Aurorasound VIDA Phono Pre Amp, TAD Power Amp, TAD E1 speakers. Coherent RTZ Grounding box, Creaktiv racks. Coherent Mains Cables. Interconnects : Coherent and Yannis 223.5 Connect Litz. Coherent speaker cable. Audio Magic Transcendence Conditioner. Coherent socket. Black Ravioli and RDC supports. Electric Beach S1NX platforms for Isis and Technics. Ferrite chokes everywhere except the above. Ears, brain

    Mike

  4. #614
    Join Date: Mar 2014

    Location: West Wales

    Posts: 346
    I'm malcolm.

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    Quote Originally Posted by Snoopdog View Post
    Hahaha
    Audiophile Tosher

  5. #615
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 38,934
    I'm Geoff.

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    Quote Originally Posted by Snoopdog View Post
    Yes. The original principles were laid down by Professor Stanley Unwin in the late nineteen fiftes. Every subsequent interpretation has been based on his model.

    https://www.youtube.com/watch?v=1P1EVuiFEfs
    "when common sense, logic and plausibility are excluded. All that remain are foolishness and lies"

  6. #616
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 52,243
    I'm Grant.

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    good old Stan. He was in one of the Carry ons
    Regards,
    Grant ....

    I've said it before and I'll say it again: democracy simply-doesn't-work
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  7. #617
    Join Date: Jan 2019

    Location: Kent UK

    Posts: 31
    I'm Martin.

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    Mike

    The network transformer is likely to be 10 years old , they have been sat in a control systems engineers drawer for 10 years at work. The model i have is the 570 but i see some 580 ones on US ebay with starting from 10$.

    The guy on the AV forum who put me on to this linked this offering from RS https://uk.rs-online.com/web/p/signa...oning/7511392/

  8. #618
    Join Date: Jan 2019

    Location: Kent UK

    Posts: 31
    I'm Martin.

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    I didnt want to splash out 150 on the off chance , however with the results ive got I absolutely would spend 150 on this, its probably raised my systems performance by at least 10%

    I dont run any ferrites , i picked up an old Russ Andrews ultrapurifier about 6 months ago that sits in the same power strip, passively.

    I have a few upgraded power cables in the system, all picked up second hand , a couple of which I can see components in the plugs but ive no idea what they are or if they even still work.

  9. #619
    Join Date: Jan 2009

    Location: Essex

    Posts: 19,376
    I'm openingabottleofwine.

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    Quote Originally Posted by CageyH View Post
    Trust me, horizontal or vertical orientation makes no difference to surface area.
    Your chosen installation method did that. You could have done the same thing vertically, but it would have been much harder, and more expensive.
    Obviously there will no change to the contact surface area between the rods and the soil, but the efficacy of the earthing system will depend on orientation, depending of the variation of soil conductivity with depth. It cannot be assumed that the conductivity will automatically increase with depth: it depends on the composition of the soil, whether there is a rock layer under a shallow depth of soil, etc.

    I worked in radar and microwave research for thirty years and can tell you that there are a whole variety of earth electrode geometries and configurations that can be used depending on the environment where the system will be installed, and each have different and frequency dependant complex impedance. At ultra high frequencies often the inductance of the earth system is more important than the resistance.
    Have you listened to this month's choice in the Album Club?

    Barry

  10. #620
    Join Date: Jan 2019

    Location: Kent UK

    Posts: 31
    I'm Martin.

    Default Article on hifi noise and ground loops

    https://www.prosoundweb.com/topics/a...oise_problems/

    This article was useful in explaining ground loop noise and other bits.

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