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Thread: DIY Power blocks (4 sockets)

  1. #1
    Join Date: Feb 2016

    Location: Dorset, UK

    Posts: 375
    I'm Richard.

    Default DIY Power blocks (4 sockets)

    OK guys, I would like to share my DIY, low budget power block - 4 sockets
    I building two of these, exactly same and same length of 2 meters
    I selected these parts to keep the cost as low as possible as this is all I can afford at this moment and also cos I doing this first time, so is a kind of trial If I mess with it I not going to loose much.

    The design is simple as there is no filtration (as recommended by some users here). Even I have ordered some EMI filters I have not fitted those.
    All the earth conductors are wired into star. And I have done same with life and neutral conductors to keep as much symmetrical design as possible.
    The little light which was originally fitted is till there but as not wired in.

    Parts used


    • Olson box E13A/4
    • MK single gang socket (unswitched) K780 WHI
    • MK Toughplug silver plated
    • Belden CYSE04.0050 (discontinued product) - 4 core screened CY, 2.5 mm
    • heat shrink
    • braided sleeving
    • tube terminals
    • Wago connectors
    • metal nickel plated M20 gland(replacement for originally fitted plastic gland)


    The shielding of the cable is wired together with earth conductor in the plug but not in the block/sockets side. Same as with the power cord I have done

    Regarding the contact treatment I going to use CHEMTRONICS ES7308E



    The reason why I have used this type of cable is described here

    At the end I have fitted 4 rubber feet on the bottom plate so it not sit flat on floor
    I have choose this design for one simple reason and that was as it is so spacious and I believe that it will fit what ever may come in future

    So here is photo of the finished product (maybe, just maybe I going to spray it all black). The second one is still under construction but I could not resist to share
    Hope is not that bad



    [SPOILER="CONSTRUCTION GALLERY"]



    [/SPOILER]



    [SPOILER="ORIGINAL POST"]
    So I have decided that I do a quick sneak peak into the power blocks I working on.
    To be honest, I have no experience on these what so ever

    I going to make 2 of these, each will have 4 single gang unswitched 13A sockets. I have used MKs
    Than I going to use MK Toughplug silver plated as I already bought them. And going to use Belden shielded cable as I used for my power cord

    I have bought those metal casings from Olson as that seems to be only place here who selling and making such stuff. I have took out all the original earthing from it and not going to wire in the little light(not sure if I leave it there or will remove and blank it)
    Also I have replaced original plastic M20 gland for metal, nickel plated.
    Regarding the contact treatment I going to use CHEMTRONICS ES7308E

    As for design I going to wire all the earthing into star. Shielding going to by wired in together with earth core on the plug side of the cable but not in box.
    I am not sure about any EMI filters and this stuff. So maybe you guys can suggest something?


    And I go to properly document this 1st post in this thread once all done



    [/SPOILER]
    Last edited by rikardo1979; 24-02-2016 at 07:54.

  2. #2
    Join Date: May 2011

    Location: Glasgow

    Posts: 6,778
    I'm Brian.

    Default

    Hi Richard , can you give me a link to the Olsen metal casing please ?
    Regards
    Brian

    Sell your cleverness and buy bewilderment . (Rumi )


    Korus Computer Audio music server .
    DAC 3 French DAC
    Amplifier : Rega Brio R
    Speakers : Tannoy 637
    Interconnects : MS Audio / Klotz MC5000 .
    Speaker cables : Chord Epic Twin

  3. #3
    Join Date: Jan 2009

    Location: Sheffield - UK

    Posts: 6,049
    I'm Mark.

    Default

    I wouldn't add any EMI or other mains filtering.

    100% Analogue

  4. #4
    Join Date: Feb 2016

    Location: Dorset, UK

    Posts: 375
    I'm Richard.

    Default

    Quote Originally Posted by brian2957 View Post
    Hi Richard , can you give me a link to the Olsen metal casing please ?
    sorry for my late reply. I went to listen to some speakers straight from work
    Here is the link for Olson catalogue where you going to find these and some more stuff.
    Than just call or email them for price quote

  5. #5
    Join Date: May 2011

    Location: Glasgow

    Posts: 6,778
    I'm Brian.

    Default

    Thanks Richard
    Regards
    Brian

    Sell your cleverness and buy bewilderment . (Rumi )


    Korus Computer Audio music server .
    DAC 3 French DAC
    Amplifier : Rega Brio R
    Speakers : Tannoy 637
    Interconnects : MS Audio / Klotz MC5000 .
    Speaker cables : Chord Epic Twin

  6. #6
    Join Date: Feb 2016

    Location: Dorset, UK

    Posts: 375
    I'm Richard.

    Default

    Quote Originally Posted by YNWaN View Post
    I wouldn't add any EMI or other mains filtering.
    hmm, I thought I fit one of the FN2060-12-06 Schaffner EMI filters.
    So you recommend nothing at all? Just wired all into mains?

  7. #7
    Join Date: Jan 2009

    Location: Sheffield - UK

    Posts: 6,049
    I'm Mark.

    Default

    Yep.

    100% Analogue

  8. #8
    Join Date: Feb 2016

    Location: Dorset, UK

    Posts: 375
    I'm Richard.

    Default

    Quote Originally Posted by brian2957 View Post
    Thanks Richard
    no problem, hope it helps
    They are really good when you call them. I have had those delivered next day, and I paid them afternoon over phone.

  9. #9
    Join Date: Feb 2016

    Location: Dorset, UK

    Posts: 375
    I'm Richard.

    Default

    Quote Originally Posted by YNWaN View Post
    Yep.
    OK... I going to listen to someone who knows more than me about this
    I just wondering what others think about this?

  10. #10
    Join Date: Jan 2009

    Location: Sheffield - UK

    Posts: 6,049
    I'm Mark.

    Default

    I didn't say I know more than you about it, but every mains block/mains smoother equipped thing I've heard has degraded the sound.

    100% Analogue

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