plz give me a hand kindly about equalizer

Discussion in 'Homework Help' started by posof, May 23, 2011.

  1. posof

    Thread Starter New Member

    Mar 31, 2011
    hello i need informaion about audio equalizer. now i have a circuit diagram which i attached. but i wanna change 3band led to a speaker so that i can here the sound from it. and it may have input circuit for mp3 player.
    is there anyone who knows somewhere that i can find it? if i can get a perfect circiut diagram with multisim, it couldn`t be better :)
    it`s so hard to wirte english.. plz understand :)
  2. MrCarlos

    Active Member

    Jan 2, 2010
    Hola posof

    Easy. Connect a small cacacitor (0.1uF) on each transistor collector. Then join all the other terminals and here conect the Mp3 Player.

    posof likes this.
  3. posof

    Thread Starter New Member

    Mar 31, 2011
    um... i just found it from this internet

    And i wanna know that whether this circuit operate as a 6band equalizer

    with audio input and speaker output or do another operating.

    and thank you for your kindness again :)