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Audio amplifier recommendations

Discussion in 'Audio' started by Ben King, Oct 20, 2017.

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  1. Ben King

    Ben King

    54
    2
    Apr 4, 2017
    I need a dual channel (stereo) audio amplifier, each channel should giving out about 3W of power to a 6Ω speaker, (specs for both speakers: 3W, 6Ω)
    any recommendations?
     
  2. davenn

    davenn Moderator

    13,502
    1,830
    Sep 5, 2009
    hi Ben

    a bit more info
    do you want a fully build and cased stereo amp ?
    do you want just built boards and you will case it ?
    do you want a kit amp and you will build and case it ?


    there are plenty of kit amps and built modules on eBay
    find one that you think suits your needs and give a link to it
    so some one here can check it out for you


    Dave
     
  3. BobK

    BobK

    7,676
    1,685
    Jan 5, 2010
    You can get a tiny class D amp that is approximately that for about a buck on Ebay.

    Bob
     
  4. Ben King

    Ben King

    54
    2
    Apr 4, 2017
    just the circuit board module
     
  5. shrtrnd

    shrtrnd

    3,703
    462
    Jan 15, 2010
    My question is, are you going to use this for mobile use, or in-home/office use?
    That'd affect whatever I recommended.
    Maybe even more specific than that, .... is it going to be exposed to vibration, like in a motorcycle, boat, or dune buggy?
     
  6. davenn

    davenn Moderator

    13,502
    1,830
    Sep 5, 2009

    OK search eBay then as I suggested ..... there's dozens of varieties
     
  7. Audioguru

    Audioguru

    2,744
    621
    Sep 24, 2016
    A speaker with a power rating of only 3W is small (no bass) and is cheap (poor quality).
    It might survive 3W but only for a moment, if it is asked to make a long duration tone then it might be destroyed since the peak power or very distorted power of a 3W amplifier is 6W. A speaker rated at 10W will sound better and last longer.

    ebay amplifier ads are lies. There are many that use an IC that is rated to produce 18W when it has a 36V power supply and a huge heatsink. but the "18W" ebay amplifier is made for a maximum supply of 12V and has a tiny heatsink. A 3W ebay amplifier might produce only 0.5W.
     
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