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Thread: Group Buy 2KW Class-H Amplifier

  1. #131
    Quote Originally Posted by lavindoo View Post
    Mr ... how to know ir2117 work well ... I am building a class H amp volt dc step-up using ir2117 ... on the negative rail can not walk ...
    Buy the PCBs, and and the amplifier its cheaper

  2. #132
    diysmps Senior Member
    Join Date
    Oct 2011
    Kuala Lumpur, MY
    my power on switch at main supply melt with 2kva trafo, lol i think its draw huge current, also my friend horn tweeter dead

  3. #133

    my amp is near to finish after long time

    after some time i manage to test my amp again, this time it is near to finish im going to fix it in a wooden case.
    Attached Images Attached Images

  4. #134
    some more pictures
    Attached Images Attached Images

  5. #135
    Very nice build mj777 &

  6. #136


  7. #137
    very nice work

  8. #138
    Join Date
    Nov 2012
    Baturraden. purwokerto
    Nice n cool...

  9. #139

    my working amp

    very powerful amplifier, detailed clear sound, strong bass. I really like how it sounds.
    you will be happy how it sounds. Thanks to Microsim and Workhorse for a well design class H Amp.
    Attached Images Attached Images

  10. #140

    very nice work indeed, I really like it

    thanks for posting your hard work &

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