Signal Chain question: Recording Direct into DAW with Guitar Rack Preamp

Discussion in 'Computing' started by rlm297, Aug 6, 2012.

  1. rlm297

    rlm297 Member

    Aug 6, 2012
    Connecticut, USA
    I'm looking to record without miking an amp or using desktop/software amp modelers. Would this be possible, correct to do this for signal chain:

    Guitar > Guitar Cable > Guitar Rack Preamp (ADA MP1 or Marshall JMP1) > Stereo Cable > Apogee Duet FireWire Interface Line In > MacBook Pro > DAW

    I don't mind about convincing tube tones, just want to make sure whatever tone it provides sounds crystal clear with no hum or line level noise.

    1. Would I need some sort of buffer between the Guitar Rack Preamp and my Interface like a DI box?

    2. What cables are the right kind to go between the Guitar Rack Preamp and the Audio Interface?
  2. bouldersound

    bouldersound Real guitars are for old people. Well-Known Member

    Jan 23, 2010
    Boulder, Colorado
    Home Page:
    For short distances unbalanced connection may work fine, but gear does vary. I suggest trying it that way first. The Marshall's manual bizarrely doesn't specify if the emulated outputs are balanced or not. The ADA's manual specifies theirs as unbalanced. The 1/4" inputs of the Duet are unbalanced. Either pre could be connected right to those. If hum and buzz are a problem then get a pair of good DIs or consider building cables to interface the (presumably) unbalanced outputs to the XLR inputs.

    If you want to try the custom cable route read this page: Sound System Interconnection

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