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

  1. #111
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 8,861
    I'm Oliver.

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    Quote Originally Posted by smangus View Post
    Yeah i have a spare but will try Alans way 1st as it would be good practice for me to try. If I get frustrated I can always go the more " surgical" route

    Sent from my SM-G950F using Tapatalk
    Just be patient. Make sure there is some solder in your iron and if all else fails, cut it out and replace with a new part.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & 2x LPSU's with Volumio & JRiver
    Amplification: Nelson Pass DCB1 with Khozmo 48 Step Series Attenuator & Krell KSA100 MK2 Amplifier
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A
    Price List For SPOTFIRE Cables here:https://bit.ly/2Uxiv3j

    Alternative reading: http://www.audioaddictsforum.com

  2. #112
    Join Date: May 2017

    Location: West Sussex, UK

    Posts: 691
    I'm Steve.

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    Hi Andy

    Watch you dont put too much heat in to the copper track on the board you can damage that too...

    Steve..
    Project 2experience sb dc, Cart: At33ptg
    Firebottle Mono Blocks
    Nelson Pass Dcb1 turbo @ 1.2A. Khozmo 50k series attenuator.
    CD Player: Cyrus cd8se
    Spendor S6e
    Spotfire rca throughout - Spotfire Speaker Cable

    Steve...

  3. #113
    Join Date: Jan 2014

    Location: london se6

    Posts: 601
    I'm AndyElectroNumpty.

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    Yep will do have ordered a case from Aliexpress in the meantime Black Alu

  4. #114
    Join Date: May 2017

    Location: West Sussex, UK

    Posts: 691
    I'm Steve.

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    Hi Andy
    Aluminium is best suited for what your doing.
    Aliexpress were pretty quick at delivering my cases.
    Hope it's the same for you.
    Steve...
    Project 2experience sb dc, Cart: At33ptg
    Firebottle Mono Blocks
    Nelson Pass Dcb1 turbo @ 1.2A. Khozmo 50k series attenuator.
    CD Player: Cyrus cd8se
    Spendor S6e
    Spotfire rca throughout - Spotfire Speaker Cable

    Steve...

  5. #115
    Join Date: Jan 2014

    Location: london se6

    Posts: 601
    I'm AndyElectroNumpty.

    Default

    ok component removed and swapped, thanks for all the advice Just waiting for the case from china and wire switch from Taiwan before more bodgery

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

  6. #116
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 8,861
    I'm Oliver.

    Default

    Quote Originally Posted by smangus View Post
    ok component removed and swapped, thanks for all the advice Just waiting for the case from china and wire switch from Taiwan before more bodgery

    Sent from my SM-G950F using Tapatalk
    Well done Andy. Looks good from here!
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & 2x LPSU's with Volumio & JRiver
    Amplification: Nelson Pass DCB1 with Khozmo 48 Step Series Attenuator & Krell KSA100 MK2 Amplifier
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A
    Price List For SPOTFIRE Cables here:https://bit.ly/2Uxiv3j

    Alternative reading: http://www.audioaddictsforum.com

  7. #117
    Join Date: Jan 2014

    Location: london se6

    Posts: 601
    I'm AndyElectroNumpty.

    Default

    thanks feeling smug/relieved !

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

  8. #118
    Join Date: May 2017

    Location: West Sussex, UK

    Posts: 691
    I'm Steve.

    Default

    Hi Andy
    I see you have fitted 1.8 ohm 2% resistors in the vital spot.
    Should give you around 750 Ma.
    Board looks good mate.

    If your gonna have an led on your power switch you'll need to remove the single led and use that to power the front case light.

    Steve...
    Project 2experience sb dc, Cart: At33ptg
    Firebottle Mono Blocks
    Nelson Pass Dcb1 turbo @ 1.2A. Khozmo 50k series attenuator.
    CD Player: Cyrus cd8se
    Spendor S6e
    Spotfire rca throughout - Spotfire Speaker Cable

    Steve...

  9. #119
    Join Date: Jan 2014

    Location: london se6

    Posts: 601
    I'm AndyElectroNumpty.

    Default

    Quote Originally Posted by STD305M View Post
    Hi Andy
    I see you have fitted 1.8 ohm 2% resistors in the vital spot.
    Should give you around 750 Ma.
    Board looks good mate.

    If your gonna have an led on your power switch you'll need to remove the single led and use that to power the front case light.

    Steve...
    Thanks Steve yeah I had fitted the led before you told ma about that but should be a straightforward change.

    Cheers Andy

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

  10. #120
    Join Date: Sep 2012

    Location: Newcastle-upon-Tyne

    Posts: 59
    I'm Keith.

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    Just about finished my project with the addition of some 2mm aluminium angle under the Fets and across the 4 rectifier. Bought some 30mmx30mmx12mm heat sinks that are self adhesive and stuck to the aluminium angle. Fets and rectifiers are hot still but no problem pressing fingers onto them hard and leaving them there. Might get a couple more and stick them to the other side of the vertical ones on the rectifiers just to make sure.
    I have 1.2R resistors and get about 852mA output from one side and 882mA from the other. Is it worth the effort to match them?
    KR
    Keith.


    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.

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