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I am using a dual chain Acus acoustic guitar preamplifier equipped with 2 separate FX loops for each channel.

https://www.acus-sound.it/en/preamplification/16-stagepre2-di.html

I would like to connect it to an EDX Cathedral stereo reverb pedal:

https://www.bax-shop.fr/reverb-delay/electro-harmonix-cathedral-stereo-reverb-pedale-d-effets

The both devices should be connected by means of the following connection routine:

L channel of the reverb pedal to the first FX loop of the preamplifier;

R channel of the reverb pedal to the second FX loop of the preamplifier;

May I expect good stereo imaging with such setup? Alternatively, would it be possible to connect the both fx loops using only one input/output pair of the pedal, thus using only two cables for send and return? Many thanks in advance!

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  • Hi Maître! I attempted to edit to clarify a bit, but as I don't know much about guitar effects and routing, I could only do so much. I think it would be helpful if you could add links to the actual devices you're using. Thanks and welcome!
    – n00dles
    Sep 4, 2022 at 14:33
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    Hey , thank you very much for your kind feedback! I ve just edited my post with additional specs of the devices Sep 4, 2022 at 19:06
  • We do NOT know how the stereo reverb pedal makes the reverb. Nobody guarantees there's 2 full CHs. It can well cook together the L and R input signal in that process and output the reverberation mixture to the right channel a little delayed when compared to what the left output gets - so the reverb may contain stuff from your both amp outputs. If they are made of the same guitar or mic signal the result can contain intolerable frequency cancellations. Forget the alternative setup. For stereo imaging effect the outputs of the reverb must be fed to separate speakers or stereo recording tracks.
    – user35252
    Sep 4, 2022 at 19:47
  • Right thank you ! Anyway in principle the setup using separate channels of the preamplifier associated with separate channel of the reverb should work and will not damage preamplifier, won’t it ? Sep 5, 2022 at 7:36
  • I thought you'd be able to pan returned FX left/right, but looks like you can't.
    – n00dles
    Sep 5, 2022 at 14:17

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