Rack into AC30 (or other front end)

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murky69nz

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Hi all

Just wondering whether anyone (Dave in particular!) has had experience/tips on running rack gear straight into the guitar input of a guitar amp?

I run traditional AC30's (i.e. no effects loop) and have always had issues with ground loops/levels/noise etc running rack gear into the front end. I'm currently running an AxeFxII into my AC30 and am getting reasonable results running an EB tech Hum Eliminator between the AxeFx and AC30. The Hum Eliminator reduces ground noise substantially, but is still lets a little noise through (probably just a little too much for my linking), and sucks a little high end (I suspect because of the inherent limitations of its passive design). In terms of levels, the AxeFx has guitar level outputs, so no need for pads.

I've also tried running a Radial X Amp in place of the Hum Eliminator - it worked fantastically on the noise front. Amazingly quiet actually, but it pads the signal significantly (more than can be made up by the AxeFx) even at maximum throughput.

Anyway, chime in if you'd got any thoughts/experiences on running into the front end, or if you can recommend something better than the Hum Eliminator that I can try out!
 
Well the eb tech will break the ground loops just fine but the transformers in it are not shielded very well. You will have to be careful on where you put it or it will hum. As far as hiss that will not do anything at all. Some better transformers can be made for you if you like. Let me know if you are interested.
 
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