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How to amplify audio?

  1. Feb 9, 2007 #1
    how to amplify audio????

    i have a small mono speaker bigger than a headphone roughly the size of the cheap ones one get with a pc.the problem is that i want to amplfy it using pencil cells.Its just to listen to my ipod while travelling without using my earphones.without the amplifier the sound though clear and crisp is quiet low.can anyone help? actually iam a amatuer studien in class 11 ...
    please help
    Last edited: Feb 9, 2007
  2. jcsd
  3. Feb 9, 2007 #2


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    Staff: Mentor

    National Semiconductor has lots of possible solutions and a great selection of Application Notes. Maybe see if anything at this page looks suitable:

    http://www.national.com/appinfo/audio/ [Broken]

    Welcome to the PF, BTW.
    Last edited by a moderator: May 2, 2017
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