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Thread: Headphone/pre amp

  1. #1
    leo's Avatar
    leo is offline Circuit Junkie & DIY Room Forum Leader
    Join Date: Jan 2008

    Location: Notts UK

    Posts: 1,805

    Default Headphone/pre amp

    Built this up a few days ago, its a Kumisa III headphone amp which can also be used as a pre, classA, the op-amp is a servo so signal DC blocking caps are not needed, the input and output stage is discrete.
    I'm now adding better regulation with improved PSRR.
    It shouldn't be too hard finding a case for this one as its quite small




  2. #2
    Join Date: Jan 2008

    Location: Fishtoft, Lincolnshire

    Posts: 394
    I'm Dave.

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    That looks like a nice piece of work, I like to see people build stuff, keep the good work up.
    Dave.

  3. #3
    leo's Avatar
    leo is offline Circuit Junkie & DIY Room Forum Leader
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    Location: Notts UK

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    Thanks Dave, much appreciated

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