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Thread: CNC copper enclosures

  1. #11
    Join Date: Aug 2012

    Location: Hartlepool UK

    Posts: 1,364
    I'm Alan.

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    Turntable - Garrard 401/Jelco 750L/Ortofon Kontrapunkt B, Pioneer PLC 590, SME 3009/2 , Denon DL103R - DIY Paradise Phono stage - Reel 2 Reel Studer A810, Otari MX55,Tascam BR20 - Digital HTPC / Young Dac - Preamp - DIY B4, 821, Power Amp's DIY Voyager Mono Block, Speakers Tannoy precision 6.4 / Wilmslow Kit Volt BM220.8 / Scanspeak D2905/9500

  2. #12
    Join Date: Apr 2015

    Location: Central Virginia

    Posts: 1,122
    I'm Russell.

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    Quote Originally Posted by RothwellAudio View Post
    You need a ferromagnetic material to shield against magnetic fields - ie something a magnet will stick to. Copper won't shield against magnetic fields.
    That makes real sense! Iíve learned something.

    Russell

  3. #13
    Join Date: Mar 2017

    Location: Liverpool

    Posts: 264
    I'm Sandro.

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    really nice
    2 or 3 snags
    USA custom charges
    Cooper tarnish and turn green
    Size to small
    I would like one like it for the Paradise

  4. #14
    Join Date: Mar 2017

    Location: Liverpool

    Posts: 264
    I'm Sandro.

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    Gogle up Mu metal film for shield

    PS paradise do not need much my is on open air waiting for box it has been 5 or 6 months and I am still looking for one

  5. #15
    Join Date: Feb 2010

    Location: Berkshire, UK

    Posts: 3,083
    I'm Tom.

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    Quote Originally Posted by Bksabath View Post
    really nice
    2 or 3 snags
    USA custom charges
    Cooper tarnish and turn green
    Size to small
    I would like one like it for the Paradise
    Looking this up there are places in the EU doing 3D printing with metals including copper, maximum size for the one below isn't very big (88 x 88 x 125mm) but there must be people doing a bit larger.

    https://i.materialise.com/en/3d-printing-materials
    Main: Speakers 'RFC' Tannoy Canterburys / custom crossovers; Amp - Radford STA100; Pre EAR 912; Vinyl: Thorens TD124 MkII + Ikeda IT345-CR1 / Ikeda IT-407 tonearms; Cartridges Stereo - Miyajima Madake, Ortofon SPU Royal N, Ikeda 9C III, SAEC/Excel C3; Mono - Miyajimas - Zero 0.7, Premium 1.0, Sonovox MC-4 1.0, Edison '78' 4.0 conical, and Shure M44 strapped for mono with several Expert Stylus conicals for different eras of 78s; Phono stage and SUT from EAR 912; Esoteric Sound Re-Equalizer for equalisation of early mono and 78, switchable in from tape loop; Digital: Audio Note CDT2/II transport, heavily modded AN Kit DAC + Mutec MC3+USB.

    Study: Speakers - Tannoy DC6; Amp: Pass Aleph 'Mini'; preamp - Firebottle custom; Vinyl: Garrard 401 with AT1503 tonearm and vintage Ortofon SL-15e with matching Ortofon 2-15k SUT; Phono Stage: Firebottle Plus; Digital - Trichord Genesis III CDP + Arcam rBlink; Schiit Multibit DAC.

  6. #16
    Join Date: Feb 2008

    Location: Near Accrington, Lancs, UK

    Posts: 299
    I'm Ralph.

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    Good quality mild steel will do the job nicely.
    Ralph.

  7. #17
    Join Date: May 2016

    Location: Much Wenlock

    Posts: 579
    I'm Gary.

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    If you want one purely for the looks get a steel one and get it plated, gold plating looks really good

  8. #18
    Join Date: Oct 2016

    Location: Bolton, England

    Posts: 1,242
    I'm Andrew.

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    Quote Originally Posted by Stryder5 View Post
    ...get a steel one and get it plated...
    The problem with plating anything is that it has to be polished first, or else it looks awful. Of course, that's perfectly possible - just not cheap.

  9. #19
    Join Date: Mar 2010

    Location: Sheffield

    Posts: 2,591
    I'm Simon.

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    For magnetic shielding you actually need a material with high magnetic permeability, for example mu-metal, which is much less 'magnetic' that mild steel.
    Kuzma Stabi/S 12", (LP12-bastard) DC motor and optical tacho psu, Benz LP, Paradise (phonostage). MB-Pro, Brooklyn dac and psu, Bruno Putzeys balanced pre, mod86p dual mono amps, Yamaha NS1000m

  10. #20
    Join Date: Apr 2009

    Location: Melbourne

    Posts: 155
    I'm Alex.

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    You could line the inside of the enclosure with a Mu-Metal Mesh which are connected at all sides (like a Faraday Cage)

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