NI Komplete Audio 6, inputs 3/4 problem
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  1. #1
    Tech Wizard
    Join Date
    Jan 2011
    Posts
    61

    Default NI Komplete Audio 6, inputs 3/4 problem

    Hi all,

    I'm trying to connect the RCA record out on my mixer to inputs 3 and 4 on my Komplete Audio 6. The KA 6 only has 1/4" balanced inputs for 3 and 4, so I got some RCA to 1/4" TRS adaptors from monoprice:



    http://www.monoprice.com/products/pr...seq=1&format=2

    When I hook it up, I get no audio coming into inputs 3 and 4 at all.. the LEDs don't come on at all, and the inputs in Traktor don't register anything. These adaptors are fine with the KA 6 though, as I use the same ones for outputs 1/2 and 3/4 to go into the mixer.

    I happened to have another mixer kicking around that has balanced 1/4" outs for its master output, so as a test, I ran the record out from my main mixer into a channel on that, and hooked up the master 1/4" outs on the second mixer up to inputs 3 and 4 on the KA 6 using 1/4" cables, and got LEDs and audio input right away.

    Anyway.. all that to say, has anyone else had problems using RCA to 1/4" adaptors on the inputs on the Komplete Audio 6?

    Thanks!

  2. #2
    Tech Guru
    Join Date
    Mar 2012
    Location
    York, UK
    Posts
    3,428

    Default

    For connecting unbalanced signals to balanced inputs, you need to ground the cold input. Otherwise you end up cancelling out your input signal since it's being input as both hot and cold.

    These adapters should work better:
    http://www.monoprice.com/products/pr...t=1#largeimage

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  3. #3
    Tech Wizard
    Join Date
    Jan 2011
    Posts
    61

    Default

    Ah, that makes sense.. I was wondering if non-TRS adaptors would work better. Thanks!

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