Audio Power Amplifier

Discussion in 'The Projects Forum' started by myheart22, Dec 5, 2010.

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  1. myheart22

    Thread Starter New Member

    Dec 5, 2010

    I am a 3rd-yr ECE student from the Philippines.

    Until now I am confused with the difference between Preamplifier and Amplifier.
    We had a design proposal on Audio Power Amplifier but then, our work is always been trashed by our professor because I can't answer him what is the purpose of the preamp if there is already a power amplifier. :/

    Moreover, can you please tell me what is the advantage of having a preamp. And what may be the output if I didn't include the preamp on our design.

    Any kind of help will be much appreciated. Thank you! :)
  2. bertus


    Apr 5, 2008
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