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Thread: So what is a grounding box

  1. #1
    Join Date: Apr 2016

    Location: Gravesend and France

    Posts: 1,254
    I'm paul.

    Default So what is a grounding box

    As the title what is a grounding box.
    Sony STR 6055 Denon DP80 Stax UA-70 Shure Ultra 500 in a Martin Bastin body with jico stylus Lii audio crystal 10 tqwt speakers

    Office system, DIY CSS fullrange speakers with aurum cantus G2 ribbons Najda dsp as dac Akai AM-U02 Jvc QL-A51 direct drive turntable
    SAE1000LT leema sub. JVC Z4S cart is in the house

    Garage system another Sony receiver, cassette deck and Zu omen for sale


    System components are subject to change without warning and at the discretion of the owner.

  2. #2
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 58,358
    I'm Grant.

    Default

    Good question. I guess it depends on the box. Some seem to go to mains ground. Most don't.
    Either way they seem to produce a reaction
    Regards,
    Grant .... ؠ

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    OPPO BDP-103D DARBEE - JBE SERIES 3/B&O SP1/PROJECT PHONOBOX DS2 USB - QUAD VENA 2 - IFI PURIFIER 2/TWIN PRO MONOBLOCK POWER AMPLIFIERS - LEAF HD BLUETOOTH - OPPO PM-3 PLANAR, SONY H900 & NURAPHONE HEADPHONES - ZBOOK/ IFI SILENCER/WIN10 PRO/AUDIRVANA 3 PLUS/TIDAL - SMSL M6 DAC & IFI SILENCER - RPI 3+, DIGIONE HAT/VOLUMIO2 - FULL RANGE TWIN TELEFUNKEN SPEAKERS - CABLE INC CHORD, MOGAMI, SUPRA & WIREWORLD

    **Men are not punished for their sins, but by them**
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  3. #3
    Join Date: Apr 2011

    Location: Surrey

    Posts: 4,151
    I'm Mike.

    Default

    They seem to be made differently. All say they improve sound quality.

    My Coherent RTZ is a solid lump of metal
    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 3 Grounding box, Coherent grounding cables, Creaktiv racks. Coherent Mains Cables. SR Blue Fuse. Interconnects : Coherent and Yannis 223.5 Connect Litz. Coherent speaker cable. Audio Magic Transcendence Conditioner. Coherent mains socket. Mains Filters : , PS Audio Harvesters, Russ Andrews Purifiers, Tacima, Vertex. Black Ravioli and RDC supports. Electric Beach S1NX platforms for TAD CD and Technics. Ferrite chokes everywhere except the above. Ears, brain

    Mike

  4. #4
    Join Date: Jan 2009

    Location: Sheffield - UK

    Posts: 6,588
    I'm Mark.

    Default

    A grounding box is (usually, but not always) a passive box of mixed compounds that attaches to unused input and/or output sockets on the back of ones equipment. The concept is that it provides a low impedance route to 'ground' for the signal, as opposed to the mains.

    However, there are a number of conceptual problems with the above aims. The two primary issues, as I see them are 1/ at some point in any hi-fi system the mains and signal grounds are tied together or the signal ground would be completely floating (this is true in the UK at least where every 13A wall socket has a link directly to ground (the earth pin). 2/ This parasitic ground box would have to have a lower impedance than that presented by the mains earth and this seems unlikely given the compact dimensions of all these accessories.

    Bear in mind though that this a new type of accessory for the audio market (the only market such a thing exists for) and so 'what it is' and 'how it works' are not very well defined concepts.

    100% Analogue

  5. #5
    Join Date: Apr 2016

    Location: Gravesend and France

    Posts: 1,254
    I'm paul.

    Default

    Sounds like foo, I won't trouble myself any further, thank you gentlemen
    Sony STR 6055 Denon DP80 Stax UA-70 Shure Ultra 500 in a Martin Bastin body with jico stylus Lii audio crystal 10 tqwt speakers

    Office system, DIY CSS fullrange speakers with aurum cantus G2 ribbons Najda dsp as dac Akai AM-U02 Jvc QL-A51 direct drive turntable
    SAE1000LT leema sub. JVC Z4S cart is in the house

    Garage system another Sony receiver, cassette deck and Zu omen for sale


    System components are subject to change without warning and at the discretion of the owner.

  6. #6
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 58,358
    I'm Grant.

    Default

    I alway try to keep an open mind to these types of things. As much as I doubt they do anything more than just bunging a wire on to your gear to ground them, but the thing remains that they might. If I had one to try I would but not buying one to try
    Regards,
    Grant .... ؠ

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    OPPO BDP-103D DARBEE - JBE SERIES 3/B&O SP1/PROJECT PHONOBOX DS2 USB - QUAD VENA 2 - IFI PURIFIER 2/TWIN PRO MONOBLOCK POWER AMPLIFIERS - LEAF HD BLUETOOTH - OPPO PM-3 PLANAR, SONY H900 & NURAPHONE HEADPHONES - ZBOOK/ IFI SILENCER/WIN10 PRO/AUDIRVANA 3 PLUS/TIDAL - SMSL M6 DAC & IFI SILENCER - RPI 3+, DIGIONE HAT/VOLUMIO2 - FULL RANGE TWIN TELEFUNKEN SPEAKERS - CABLE INC CHORD, MOGAMI, SUPRA & WIREWORLD

    **Men are not punished for their sins, but by them**
    ***SMILE, BE HAPPY***

  7. #7
    Join Date: Jan 2009

    Location: Sheffield - UK

    Posts: 6,588
    I'm Mark.

    Default

    If one comes my way I will try it out - but I'm not yet at the point where I am actively seeking the loan of one and I'm nowhere near a place where I would consider buying one out of interest.

    100% Analogue

  8. #8
    Join Date: Apr 2016

    Location: Gravesend and France

    Posts: 1,254
    I'm paul.

    Default

    My set up sounds so good I don't think I could handle an improvement
    Sony STR 6055 Denon DP80 Stax UA-70 Shure Ultra 500 in a Martin Bastin body with jico stylus Lii audio crystal 10 tqwt speakers

    Office system, DIY CSS fullrange speakers with aurum cantus G2 ribbons Najda dsp as dac Akai AM-U02 Jvc QL-A51 direct drive turntable
    SAE1000LT leema sub. JVC Z4S cart is in the house

    Garage system another Sony receiver, cassette deck and Zu omen for sale


    System components are subject to change without warning and at the discretion of the owner.

  9. #9
    Join Date: Mar 2017

    Location: London N2

    Posts: 1,588
    I'm Edward.

    Default

    I have a Russ Andrews 'Power Purifier' grounding box with various additional modules which in addition to grounding also claims to to reject RFI and other stuff. Can't say I notice much/any difference.

    Maybe I have very clean power and negligible RFI or maybe it is all foo.
    Main: Tidal/Roon > MiniITX > Metrum Hex > LDR > either Radford STA25 V or Trilogy 968 > Tannoy (Eaton or Berkeley).
    2nd: Tidal/Roon > Roopio on Pi > Chevron Paradox > Firebottle Buffer > Sugden Masterclass IA-4 > Kudos Cardea


  10. #10
    Join Date: Mar 2017

    Location: Seaford UK

    Posts: 977
    I'm Dennis.

    Default

    I designed a mains filter which was copied and sold by a man with initials RA when I bought the components from him.
    I think it was called 'the silencer' by him.

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