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SUT Cable

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  • SUT Cable

    I bought a Bobs Devices Cinamag. Its a nice gain in performance over the Allnic H1201 internal SUT. But, its hyper sensitve to noise. The interconnect between the SUT and my MM input that is. I had to wrap a piece of mylar with silver drain wire over my already shielded interconnect. That got rid of most of the hum. But its still there.

    Anyone find a single ended interconnect with shielding that works well in that location. Do I need something like a coax interconnect?

    I tried all the setup advice on Bobs page.

    Also, my device is optimized for a Denon 103R. I have a 103R I am using with it. But I do like my Hans ML better. And I may get the Hana Red. How far off optimum am I with the current device. Do I need a dedicated SUT for the Hans.

    PAP Trio 15 Coax speakers, Dartzeel NHB108, First Sound Audio Mark 3SI Paramount preamp, Mojo Audio Deja Vu server, Mojo Audio Mystique V3 DAC, STST Motus II TT, Vertere SG1 arm, Aidas Durawood cartridge, Allnic H1201 Phono pre, The Linear Solution Ethernet Switch, LPS to Modem Router and Switch, Blue Jeans Ethernet cabling throughout network, Torus WM45BAL isolation transformer with Benjamin custom 120 volt single phase panel distributing to branch circuits. Custom power strip direct wired to panel with OFC copper wire.10 awg dedicated branch circuits to amps bolted to power cords. Significant upgrades to 120 volt main power panel such as all copper grounds and neutrals. Inakustik Ref Air 2404 Speaker cable. Genesis and Inakustik NF2404 Air speaker and Interconnect.

  • #2
    this is why I prefer active head amps over SUT
    Magnepan 1.6 QR Loudspeakers, Amherst A-2000 MOSFET 150 WPC Amp, Conrad Johnson PV-10A Modded Tube Line & Phono Stage, Electrocompaniet MC II Class A Head Amp, Audio Technica AT-OC9XML Cart (Stereo) , Graham Engineering 2.2 Tonearm (Stereo) , VPI Aries-1 Turntable (Stereo) , VPI Clamp, Denon DL-102 Cart, (Mono) , Luxman Tonearm (Mono) , Kenwood KD-500 Turntable (Mono) , Michell Clamp, Marantz 20B Analog FM Tuner, Pioneer SACD, Onkyo DX-6800 CD Transport, DIY 24B/192K DAC, Sennheiser HD-650 Headphones, Headroom Max Balanced Headphone Amp, DIY Silver Interconnects


    • Kingrex
      Kingrex commented
      Editing a comment
      I may end up going this way. The SUT was a $350 used way to know what sort of gains may be out there. I'm pretty happy how it plays more alive. Its a nice change. But yes, I have considered a whole now unit. That is a big decision. For a person such as myself with only 2 to 3 cartridge, a SUT seems logical????

  • #3
    I have excellent bespoke cables made by Ana Mighty Sound for my SUTs.


    • #4
      There are no secrets for shielding or grounding in 2021, some interconnect designs are better than others. Placement, drain open on the load not the source, and good soldering hygiene may help. I would start with physically moving things around and crossing other cables at 90deg. Your equipment may not be optimally grounded so you have some leakage current that the shield is picking up. You can experiment with grounding various combinations of your arm, table , preamp and SUT. you may find a combo that works.

      To get methodical is good in your investigation.

      I love this document:

      Phono: Aesthetix Io Eclipse with 2 Power Supplies and Volume controls
      Custom Slagle Silver Autoformer Volume control
      Brinkmann Balance & RonT Tube Power supply with Kuzma 4-point ,FR64S, .Koetsu Jade Platinum,Etsuro Gold, DaVa FA-1 Goldfinger Statement, KLAUDIO RCM, HRSM3X
      Amps: Custom Direct Drive, Wyetech Topaz, Futterman H3 Quad II,Citation II, Marantz 8b, 5 ,2. Bedini 25/25
      Otari Bx5050II , DeHavlland 222
      Chord DAVE, MScaler, FARAD linear power supply mod, OPTO-DX optical connection

      Pre-Amps:Marantz 7, Marantz Model 1 Consolette Pair
      Speakers: Beveridge Model 3 Direct Drive amps, REL S/2 x 2, Quad ESL pair


      • Kingrex
        Kingrex commented
        Editing a comment
        I have read Bills Whitlock many times. Its a good read for a guy with a business like I have. A solid starting point.

        I did a little more drain work with the interconnect. Better wire management. It did knock it down a little further. I have to really turn it up now to hear the hum. It would be nice to relocate the Cinamag transformer itself and place it inside my Allnic preamp. Even better a small screw terminal in the preamp where I could drop new transformers in to meet the need of the cartridge used.