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Thread: Christmas is coming and the DCB1's getting fat......

  1. #321
    Join Date: Jan 2014

    Location: london se6

    Posts: 823
    I'm AndyElectroNumpty.

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    In place , just need to run in some more.

    Sent from my SM-G950F using Tapatalk
    At the cutting edge of Numptyness!

  2. #322
    Bigman80 Guest

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    Quote Originally Posted by smangus View Post
    Ok just some finishing touches, before it goes back in the rack. Need another shelf

    Sent from my SM-G950F using Tapatalk
    Looks good mate, but I'd swap those silver bolts for black, that'd look proper then.

    Love the badges lol

  3. #323
    Join Date: Jan 2014

    Location: london se6

    Posts: 823
    I'm AndyElectroNumpty.

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    Yeah maybe , they came with the case but it would be easy to change. Or get some blingy electro blue ones off the bay. lol

    Sent from my SM-G950F using Tapatalk
    At the cutting edge of Numptyness!

  4. #324
    Join Date: May 2017

    Location: West Sussex, UK

    Posts: 775
    I'm Steve.

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    Hi Andy

    Nice badge
    Turntable; Rega p8
    Cartridge; Alpheta mc
    Phono Stage; Rega Aria, Bigbottle 3 mm/mc
    Amplifier; Rega Elicit
    Speakers; Rega Rx3

  5. #325
    Join Date: Jan 2014

    Location: london se6

    Posts: 823
    I'm AndyElectroNumpty.

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    Quote Originally Posted by STD305M View Post
    Hi Andy

    Nice badge
    Thanks lol

    Sent from my SM-G950F using Tapatalk
    At the cutting edge of Numptyness!

  6. #326
    Join Date: Sep 2012

    Location: Newcastle-upon-Tyne

    Posts: 76
    I'm Keith.

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    Quote Originally Posted by Firebottle View Post
    Hi Andyelectronumpty, just a little point make sure the small heatsinks on your rectifiers don't touch each other.

    You may have to lean alternative rectifiers a little to achieve this.

    Glad it's all working for you
    So is one large heatsink shared across all 4 of the rectifiers not a good idea? I was sure that someone said earlier that they could be mounted off board on the floor of the case and connected to the board with wire like some have done with the Fets in order to get some heat sinking?

    Sent from my SM-G935F using Tapatalk
    Garrard 401, Groovemaster 2, Arche headshell, Miyajima Shilabe, Paradise Phono amp,
    Aqua La Voce dac
    Salas DCB1
    Najda active crossover and DSP.
    Crown XLi 1500 x 2 bridged, Neurochrome Mod 86 monos, Guy Sergeant Hiraga Le Monstre,
    DIY open baffle with 18" Fane Colossus XB, Beyma 12p80ND and Beyma TPL150H with BK XLS 400 sub.

  7. #327
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 6,088
    I'm Alan.

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    The Fets need to be insulated from the case as they have a metal back to dissipate the heat.

    If the rectifiers used have a metal tab then they also need to be insulated. There are rectifiers which are fully plastic encapsulated that don't need extra insulation.

  8. #328
    Join Date: Jan 2014

    Location: london se6

    Posts: 823
    I'm AndyElectroNumpty.

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    Ok So it's sounding rather nice but still a bit of burning in to do . The budget attenuator (£20!) sounds fine but is a bit stiff and "clunky" to use as well as having only 23 steps.

    I would like to replace it at some stage with a better quality item that is nicer to use which means either a Khozmo or Acoustic Dimensions item. I think the AD item is more likely to be bought at the moment looking at prices etc.

    The AD Attenuators come in 10 or 100k spec, looking on the DIY site they recommend a 20K pot for the board so I'm thinking the 10K is nearest to this. Any potential issues with getting this one?

    Thanks Electronumpty

  9. #329
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 6,088
    I'm Alan.

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    I went with the 100K pot, 10K is too low and into typical SS impedance territory.

  10. #330
    Join Date: Jan 2014

    Location: london se6

    Posts: 823
    I'm AndyElectroNumpty.

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    Quote Originally Posted by Firebottle View Post
    I went with the 100K pot, 10K is too low and into typical SS impedance territory.
    Ok great thanks. That'll do for me.

    Sent from my SM-G950F using Tapatalk
    At the cutting edge of Numptyness!

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