Engl Invader - No sound with a pedal looper

Mike_Rock

New member
Greetings,

One my amps, an Engl invader is having a very strange behaviour:

It works perfectly when the guitar is going directly to the input. There are no issues with a dunlop rack wah between guitar and amp.

I have a midi controller/pedal looper from Decibel 11, the switch dr. With the D11 between the guitar and the amp (with or without the wah) there is no sound, only an "industrial beating loud noise" that repeats forever. the goals is to use a tuner in the my pedalboard so i won't have to turn my back to the audience or a whammy pedal which would only be in the signal chain when needed).

Now, the D11 works as a midi controller for the amp for channel selection, etc. It also works flawlessly with other amps i have: an EHX Magnum 44, marshall 8080 combo and an old Engl Rackhead 2x35w. Also tried every cable involved and they are all working.

Any knowledge of similar issues with pedal loopers?
thanks!
 
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