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Thread: Nelson Pass B1 preamp build

  1. #131
    Bigman80 Guest

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    Quote Originally Posted by Macca View Post
    Wait till I get the Tannoys & you get the JM Labs in, you might change your mind. Although that could take ten years too...


    Well, it doesn't mean I'll sell anything. I'd really like to hear the pioneers in a purpose built room. I think they are capable of more. I'm that confident, I'm going to redo the crossovers and put some very nice cabling inside. In a smaller room, the sealed cabs offer a great deal IMO. A purpose built room should allow me to really see what they can do

  2. #132
    Bigman80 Guest

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    Quote Originally Posted by STD305M View Post
    Hi Oliver

    I'd be more than happy with your system for the next 10 years mate


    Yes I feel it is certainly "up there" in terms of performance.

  3. #133
    Join Date: Oct 2009

    Location: Birmingham, UK

    Posts: 394
    I'm Phil.

    Default Re nelson pass b1 preamp build

    Have you compared your pre amp to anything else yet . phil.
    Phil.

  4. #134
    Bigman80 Guest

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    Quote Originally Posted by oceanobsession View Post
    Have you compared your pre amp to anything else yet . phil.
    Yes,

    The Truth
    Stereo Coffee
    Slagle AVC
    Firebottle KIN
    Chinese Relay Volume Control
    DIY Alps Blue Passive
    Goldpoint Passive preamp
    Xiang Sheng DAC/Preamp

    Plus others.

  5. #135
    Join Date: Oct 2009

    Location: Birmingham, UK

    Posts: 394
    I'm Phil.

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    Well it looks great , the black case looks cool aswell , there seems to be a big following for these kits , am I right in thinking that there is no gain , how much is the basic kit , phil.
    Phil.

  6. #136
    Bigman80 Guest

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    Quote Originally Posted by oceanobsession View Post
    Well it looks great , the black case looks cool aswell , there seems to be a big following for these kits , am I right in thinking that there is no gain , how much is the basic kit , phil.
    Its about what you want from it. Big standard, with Alps blue (not recommended by me) would cost £2/300.

    Mine, cost £600.

    Its about how far you want to push it's ability. Personally, I like to go all out.

  7. #137
    Join Date: Mar 2017

    Location: West Sūžsēaxe

    Posts: 2,015
    I'm Edward.

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    Oli, what was your opinion on the LDR Stereo Coffee pre? Did you try it in your system or at Alan's?

    I'm using it now and very pleased with it. Really gelled between the Metrum dac and the Radford.
    Current: [P20] Roon/Tidal > Custom PC> Chevron Paradox NDF16 > Phast Pre > Neuro. 686 > Tannoy Berkley (RFC tweaks)


  8. #138
    Bigman80 Guest

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    Quote Originally Posted by Edward View Post
    Oli, what was your opinion on the LDR Stereo Coffee pre? Did you try it in your system or at Alan's?

    I'm using it now and very pleased with it. Really gelled between the Metrum dac and the Radford.
    Hi Edward, apologies but iv eonly just seen this!

    For the cost I thought it was excellent. I did do a bake off report on the comparison we did with my DCB1, so I'll try and post a link to that. My impression was fresh as we'd not long finished.

  9. #139
    Join Date: Jun 2018

    Location: Mildenhall, Suffolk

    Posts: 380
    I'm John.

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    I have recently purchased a B1 Buffer and B1 Korg to trial.
    Both are assembled but not mounted in a chassis.
    I have a DACT Stereo Attenuator that can be used in either build.
    The image shows the B1 Buffer circuit.
    If it can be identified, is there any improvements that can be made on this, i.e recommended box dimension, exchange components, increase Ma output.
    It didn't cost me much, so any brutal opinions, won't be too hurtful.
    I am assuming this build is a basic version.


    B1 Buffer.jpg

  10. #140
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 6,089
    I'm Alan.

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    That doesn't look much like a B1 buffer to me John.
    Can't quite make it out, what is the text on the bottom right of the pcb?

    It looks like a 5 input relay switched, remote volume control preamp. Whether it has a B1 buffer stage I couldn't say.

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