help help plz

Discussion in 'General Electronics Chat' started by abkrenoo14, Sep 16, 2011.

  1. abkrenoo14

    Thread Starter New Member

    Sep 15, 2011
    3
    0
    Hello
    If I allowed you ,i need circuit to high the sound of my speaker that 4Ω & 4.5w.
    Mean
    my speaker its sound is low because i take the signal from
    pic direct.
    so,i need a circuit to make the signal from pic adapt whit my speaker.
    :confused::confused::confused::confused:
     
  2. Audioguru

    New Member

    Dec 20, 2007
    9,411
    896
    Your Engrish is horrible.
    I think you need an amplifier with an output of 4.5W into a 4 ohms speaker. A simple amplifier will use a 16VDC supply.

    Then design the amplifier or find one in Google. There were 120 car amplifier ICs available a few years ago.
     
  3. abkrenoo14

    Thread Starter New Member

    Sep 15, 2011
    3
    0
    plz show me one of these designs
     
  4. abkrenoo14

    Thread Starter New Member

    Sep 15, 2011
    3
    0
    give me your email i need ask u about some things my mail <SNIP>
     
    Last edited by a moderator: Sep 17, 2011
  5. bertus

    Administrator

    Apr 5, 2008
    15,647
    2,346
    Hello,

    This page from the EDUCYPEDIA will show you a lot of links to Audio Amplifier circuits:
    Audio amplifiers

    Bertus
     
    Last edited: Aug 13, 2012
Loading...