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Thread: Grounding boxes - The real deal

  1. #521
    Join Date: Mar 2014

    Location: West Wales

    Posts: 390
    I'm malcolm.

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    Quote Originally Posted by CageyH View Post
    Yes. You could make your own much cheaper.
    Use those freebie interconnect, cut the cable near the plug and twist the wires together.
    Audiophile Tosher

  2. #522
    Join Date: Apr 2008

    Location: Cheshire, UK

    Posts: 2,729
    I'm Clive.

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    A preamp should short unselected inputs to ground....but few do.
    TT 1 Trans-Fi Salvation with magnetic bearing + Trans-Fi Terminator T3Pro + London Reference
    TT 2 Garrard 301 with NWA main bearing + OL Encounter mkIII + Ortofon 2M Mono SE
    Digital Fanless i5 Skylake ASUS H110T Windows file server with HDPLEX LPS / JPLAY Femto / Chord Qutest / Allo USBridge into Ciunas Audio ISO-DAC & Pi/DigiOne into Metrum Musette
    Preamp Hagerman Cornet 2 phono stage, John Chapman's Slagleformer-based AVC-1 into Transcendent Sound Sub Buddy
    Power Amp Temple Audio Monoblocks with Supercap LPS / 300B WE91 SE Monoblocks / Firebottle EL84 PSE
    Bass Amp & DSP Behringer iNuke NU3000DSP x 2
    Speakers 1 Bastanis Sagarmatha Duo with twin baffleless 15" bass drivers per side
    Speakers 2 MarkaudioSota Viotti One

  3. #523
    Join Date: Apr 2018

    Location: Brighton

    Posts: 44
    I'm Jason.

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    Quote Originally Posted by NRG View Post
    A thought crossed my tired mind, has anybody tried Russ Andrews shorties? Some of the reviews seem to suggest similar improvements to grounding boxes... https://www.russandrews.com/shorties...90000/#reviews
    A second hand piece of equipment I bought had them fitted, took them out after a month, made no difference so I flogged them on a certain internat auction site.

  4. #524
    Join Date: Jan 2008

    Location: Winchester, Hampshire

    Posts: 282
    I'm Steve.

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    Quote Originally Posted by struth View Post
    They are extortionate. £18 a pop.. Cheaper using tinfoil
    According to RA's website, when they are available, that is the price for 12!
    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.

  5. #525
    Join Date: Nov 2008

    Location: North Down /Northern Ireland/ UK

    Posts: 18,173
    I'm Neil.

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    Marantz CD players once came with them as standard for shorting the digital outputs. That did improve the sound quality.
    Regards Neil

    System 1 (Living Room) : Vinyl: AMG Giro Turntable, AMG Giro Reference PSU, AMG 9W2 Tonearm, AMG Reference Armcable, Air Tight PC3 MC Cartridge PhonoStage: Passlabs Xono Digital: Esoteric P5 SACD Transport and Esoteric P 5 DAC, Sony HAP Z1es Digital File Player + Audioquest Jitter Bug, Computer Audio: Veracity Audio Mystra DAC + HP laptop + iFi Audio i Power, Wireworld Starlight USB + Audioquest Jitter Bug Tuner:Kenwood KT 7020 Cassette Tape: Nakamichi CR5e Amplification: Pre-Amplifier Meridian G02 Power-Amplifier Meridian G56 Speakers: Anthony Gallo Reference 3.1 Audio Cabling: Signal - Atlas Mavros, Audience AU24 Speaker - Atlas Mavros. Mains Cabling: Audience AU24, Analysis Plus, TCI. Mains Distribution: Mark Grant Distribution Blocks, Mark Grant DC Blocker Equipment Tables: Target Audio B series + Track Audio Isolation Spikes Isolation/ Platforms: Bright Star Audio Isonodes, BASE 01, SSC Platforms.

    System 2 (Music Room) : Vinyl: Turntable 1 Loricraft Garrard 401 Turntable + SME 5 Tonearm, Graham IC70 Tonearm Cable + VDH MC10 cartridge Turntable 2 Modified Technics 1200 turntable + Triplannar 7 Tonearm + VDH Frog Gold Cartridge + Paul Hynes SR7 PSU Turntable 3 SME Model 20 Turntable + Graham Phantom Tonearm + Graham IC70 Tonearm Cable, Ortofon MC5200 Cartridge PhonoStage: Balanced Audio Technology VK10se Digital: Moon Andromeda CD Player, Toshiba 9500 DVD Audio Player Computer Audio: AMR DP777 DAC + Dell Laptop + iFi Audio i Power + JKenny JKSPIDIF + Wireworld Starlight USB Tuners: Kenwood 8300 Tuner, Revox B760 Tuner, Leak Troughline Tuner + EAR Stereo Decoder, Magnum Dynalab Signal Sleuth FM Amplifier ReelToReel Tape: Revox B77 mk 2, Revox A77 mk3, Sony TC-377 Cassette Tape: Nakamichi DR10 Headphone: Audio Valve RKV2 OTL Valve Headphone Amp, Headphones Grado GS 1000, Sennheiser 560 Ovation2, Sennheiser 410SL Pre-Amplifier: Balanced Audio Technology VK52se Power-Amplifier: Music Reference RM200 mk1 Speakers: Anthony Gallo Reference 3.5 Audio Cabling: Signal - Audience AU24, Kimber KCAG, Audio Note ANVs, Barry Hunt Cables Speaker - XLO Type 6. Mains Cabling: Audience AU24, TCI. Mains Distribution: Mark Grant and Russ Andrews Equipment Tables: Clear Light Audio Aspekt Tacks Isolation/Platform: SSC, Bright Star Audio Isonodes, Naim Frame Record Cleaner: Hanns Audio

  6. #526
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 4,775
    I'm Alan.

    Default OP update. RTZ box now in the system.

    I have put my hand in my pocket and I have had an RTZ box plus a couple of cables for a few days now.




    Excellent gains were achieved to the digital playback soundstage, equipment being Philips CD610 mk2 as transport and Bel Canto DAC3 with VBS and external linear psu.

    Previously some posters were asking if this would work in a fully analogue system, the answer is yes. So get your thought processes around this (yes I know it is magic really ).

    All digital kit switched OFF. Analogue system as follows:

    Lyra Clavis cartridge> Denon AU320 SUT>MM input on KIN preamp (hybrid)>Dual mono hybrid power amp.

    The RTZ was connected to a spare input on the KIN with good result but the best result was when the two leads were connected to the L and R loading sockets, that is the same connection as the output leads from the SUT. Signal ground connection only remember.

    Again the improvement was not subtle, a definite jump in SQ.
    Yello never sounded so good. It is like I have upgraded the cartridge by a big margin.

    Listening to an Annie lennox album, previously it could sound a bit screechy it was just drawing me into the performance.
    The bass takes on another dimension, so clean and tight. Everything is better defined and in its own space.
    Well chuffed.

  7. #527
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 24,776
    I'm Martin.

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    Isn't Annie Lennox supposed to sound screechy?
    Martin



    Current Lash Up:

    Technics SLP1200 CD Player * Nelson Pass DCB1 Pre amp / Krell KSA50S Power amp * JM Lab Electra 926 loudspeakers *


    'You fool! To think that your ape-brain could contain the full knowledge of the Krell!'

  8. #528
    Join Date: Nov 2011

    Location: Seaton, Devon, UK

    Posts: 1,464
    I'm Adrian.

    Default

    Quote Originally Posted by Firebottle View Post
    I have put my hand in my pocket and I have had an RTZ box plus a couple of cables for a few days now.




    Excellent gains were achieved to the digital playback soundstage, equipment being Philips CD610 mk2 as transport and Bel Canto DAC3 with VBS and external linear psu.

    Previously some posters were asking if this would work in a fully analogue system, the answer is yes. So get your thought processes around this (yes I know it is magic really ).

    All digital kit switched OFF. Analogue system as follows:

    Lyra Clavis cartridge> Denon AU320 SUT>MM input on KIN preamp (hybrid)>Dual mono hybrid power amp.

    The RTZ was connected to a spare input on the KIN with good result but the best result was when the two leads were connected to the L and R loading sockets, that is the same connection as the output leads from the SUT. Signal ground connection only remember.

    Again the improvement was not subtle, a definite jump in SQ.
    Yello never sounded so good. It is like I have upgraded the cartridge by a big margin.

    Listening to an Annie lennox album, previously it could sound a bit screechy it was just drawing me into the performance.
    The bass takes on another dimension, so clean and tight. Everything is better defined and in its own space.
    Well chuffed.
    Well nice to hear you decided to find out for yourself and pleased that it works for you. Interesting!
    [FONT="Arial"]
    Listening is the act of aural discrimination and dissemination of sound


    Michel GyroDec (slightly modified), SME IV arm(special build virtually a V), Michel Cusis MC cartridge, Furutech AG-12-R4 High Performance Phono Cable, LFD MMC special phono stage, RaspberryPi/HifiBerry Digi to Beresford Caiman SEG DAC, Meridian 508 CD to Caiman SEG, ALLNIC T1500 MKII SET 300B amp, Vienna Acoustics Mozart SE speakers, Chord Epic speaker leads, & signature links, the Eccose Conductor CA1 cd to pre

  9. #529
    Join Date: Sep 2010

    Location: West Midlands, UK

    Posts: 639
    I'm Lee.

    Default

    Quote Originally Posted by Firebottle View Post
    I have put my hand in my pocket and I have had an RTZ box plus a couple of cables for a few days now.




    Excellent gains were achieved to the digital playback soundstage, equipment being Philips CD610 mk2 as transport and Bel Canto DAC3 with VBS and external linear psu.

    Previously some posters were asking if this would work in a fully analogue system, the answer is yes. So get your thought processes around this (yes I know it is magic really ).

    All digital kit switched OFF. Analogue system as follows:

    Lyra Clavis cartridge> Denon AU320 SUT>MM input on KIN preamp (hybrid)>Dual mono hybrid power amp.

    The RTZ was connected to a spare input on the KIN with good result but the best result was when the two leads were connected to the L and R loading sockets, that is the same connection as the output leads from the SUT. Signal ground connection only remember.

    Again the improvement was not subtle, a definite jump in SQ.
    Yello never sounded so good. It is like I have upgraded the cartridge by a big margin.

    Listening to an Annie lennox album, previously it could sound a bit screechy it was just drawing me into the performance.
    The bass takes on another dimension, so clean and tight. Everything is better defined and in its own space.
    Well chuffed.
    Curiosity got the better of me so popped into Alan’s today, rude not to as he only lives about 100 yards from me. Anyway Alan spun a record I took with me, yet another LA4 album, and another I’ve got to find for Alan. So we played the track for a few minutes without the grounding box present, then with 1 of the inputs intimate the pre amp and then with the second input into the Pre amp, all I can say is that these work that’s for sure, definitely more space between the notes, more fluidity, texture and improved bass.

    Not much else to say really, it’s a very good product and one I’m looking forward to hearing in my system soon

    Lee
    Vinyl rig 1 - NAS Spacedeck / Jelco 750D / EAR 834P modified / Denon DL 103. Vinyl rig 2 - Lenco GL75 c/w original arm and Shure M75ED MM cart / trichord Diablo with NCPSU. Amplifiers - Audio Note Empress Silver / Hattor Passive Pre. Digital - Mac Mini / Lampizator Atlantic Plus tube rectified Dac / Linear PSU / Hummingboard Network audio adaptor. Speakers - Horns.pl Mummy's. Cables are Audio Note / Albedo / Duelund WE16GA Speaker wire. Power conditioner is a Gigawatt PC2 EVO

  10. #530
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 8,365
    I'm Oliver.

    Default

    Quote Originally Posted by Lee Henley View Post
    Curiosity got the better of me so popped into Alanís today, rude not to as he only lives about 100 yards from me. Anyway Alan spun a record I took with me, yet another LA4 album, and another Iíve got to find for Alan. So we played the track for a few minutes without the grounding box present, then with 1 of the inputs intimate the pre amp and then with the second input into the Pre amp, all I can say is that these work thatís for sure, definitely more space between the notes, more fluidity, texture and improved bass.

    Not much else to say really, itís a very good product and one Iím looking forward to hearing in my system soon

    Lee
    Yup, Alan doesn't spend if he can help it so if he's pulled out the funds, he must be convinced.

    I hope to get a listen soon in my system and will report any findings. I'll do it blind though.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage (Telefunken Valves)
    Digital: Raspberry Pi 3+ With Allo Boss 1.2 + Isolator.
    Amplification: Nelson Pass DCB1 with Khozmo 48 Step Series Attenuator & Krell KSA100 MK2 Amplifier
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & NEW SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A
    Price List For Cables:https://bit.ly/2Uxiv3j

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