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Hazards looping out of a tube Amp into a Digi001?

Discussion in 'Recording/Live Sound' started by Optimus Prime, Feb 18, 2005.

  1. Optimus Prime

    Optimus Prime Member

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    Are there any hazards looping out of the 'loop output' of a 100W tube amp straight into a Digidesign Digi001 for direct recording? Is it possible to fry the Digi001. In other words; can a preamp circuit be that "hot"?
     
  2. Chiba

    Chiba Gold Supporting Member

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    You mean the effects loop?

    Don't know - I've never tried that. I have used Direct and/or Line Outs from my various amps direct into the Digi001. Never really sounded all that good though.

    --chiba
     
  3. MichaelK

    MichaelK Member

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    Try it and see! :D

    I think it would be OK into the mic inputs, because you'll probably need a preamp. But check for yourself: what's the output level? What are the acceptible input levels?
     
  4. Optimus Prime

    Optimus Prime Member

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    Yeah, the FX Loop Output...
     
  5. GuitslingerTim

    GuitslingerTim Member

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    The problem lies in impedance matching. Guitar effects and amp inputs are hi-z, whereas line inputs of soundcards are lo-z. If your soundcard has a hi-z input it can be done, but most cards don't. The Aardvark Q10 does, but it's one of the exceptions.

    The essential task of DI boxes is the conversion of the guitar signal from hi-z to lo-z. If a hi-z signal is fed into a lo-z input, a bottleneck usually occurs that results in a poor signal.
     
  6. Optimus Prime

    Optimus Prime Member

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    Ok, so I tried this fearing the worst and it actually worked. The signal out of the loop was actually pretty cold so I had to change inputs and use the pre's to turn it up, which was a fair amount, but it worked nicely. Pretty good tone when I had it on for cleans, the distorted sounds sucked though! :) Better to record through the Randall Isolation.
     

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