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bridge 2 channels into one

Discussion in 'Audio' started by turbogt16v, Dec 7, 2018.

  1. turbogt16v

    turbogt16v

    173
    4
    Mar 27, 2015
    hy
    i bought cheep Chinese amp with 2 channels that i need for one speaker.
    can i bridge it into one channel.
    ty
     
  2. BobK

    BobK

    7,582
    1,634
    Jan 5, 2010
    The cheap Chinese amplifier might already be bridged (class D) in which case the answer is no. If it is class AB, it might be possible, but you would have to invert the signal to one of the amps, which might be possible by a circuit modification or an external inverting gain 1 amp. Probably mot worth the effort.

    Bob
     
    Harald Kapp and turbogt16v like this.
  3. turbogt16v

    turbogt16v

    173
    4
    Mar 27, 2015
    thank you Bob, really good answer
     
  4. Audioguru

    Audioguru

    2,496
    554
    Sep 24, 2016
    I just replied to another thread that mentioned the Banggood Chinese "digital 60W" amplifier. It is not digital and does not produce 60W. Its IC is class-AB and each channel is already bridged.
     
  5. BobK

    BobK

    7,582
    1,634
    Jan 5, 2010
    Yep, that is always possible too. If there is not zero resistance between one of the outputs of each channel, it is bridged.

    Bob
     
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