Stereo + Mono Mixer Schematic

Discussion in 'The Projects Forum' started by mech3d, Feb 17, 2014.

  1. mech3d

    Thread Starter New Member

    Feb 26, 2010
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    0
    I am looking for a 9V mixer that has two inputs: 1) stereo (i.e. ipod) 2) mic or electric guitar. The output would simply be the combination of the 2 inputs but in stereo.

    If anyone has a schematic, it would be greatly appreciated.

    Thanks,
    Mech3d
     
  2. #12

    Expert

    Nov 30, 2010
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  3. wayneh

    Expert

    Sep 9, 2010
    12,119
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    Note that you would need two of the linked circuits, one for each channel. I believe you could then put the guitar mono onto the mixers for both channels. A ganged pot could then be used to change the L/R position of the mono signal in the stereo field.
     
  4. tubeguy

    Well-Known Member

    Nov 3, 2012
    1,157
    197
    If you are a talking about a balanced mic, then you will need a balanced mic preamp stage before the mixer, to provide needed gain and convert the signal to unbalanced.
    Depending on the type of electric guitar, this input should also have an additional stage before the mixer with a much higher input impedance than the typical line input has, plus a little extra gain wouldn't hurt.
     
    Last edited: Feb 17, 2014
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