En este esquema no viene el control del ampli, pero sí el control desde un looper a un segundo looper, que viene a ser lo mismo.
http://t3.gstatic.com/images?q=tbn:ANd9GcSaVSowBOLQb3cnP6LmBYPSFN2UzxWVusd5fqIedrny5KLp8I1X
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
https://www.google.es/search?q=looper+midi&source=lnms&tbm=isch&sa=X&ei=CKObUtOOK8nF7Aa3lYCgDw&ved=0CAcQ_AUoAQ&biw=1188&bih=619
los de G-Lab tienen buena fama y variedad... además con algunos (como el de la primera foto que te pongo) no necesitas ni siquiera pedalera controladora, ya que viene integrada.
Saludos.
Saludos.
http://t3.gstatic.com/images?q=tbn:ANd9GcSaVSowBOLQb3cnP6LmBYPSFN2UzxWVusd5fqIedrny5KLp8I1X
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
https://www.google.es/search?q=looper+midi&source=lnms&tbm=isch&sa=X&ei=CKObUtOOK8nF7Aa3lYCgDw&ved=0CAcQ_AUoAQ&biw=1188&bih=619
los de G-Lab tienen buena fama y variedad... además con algunos (como el de la primera foto que te pongo) no necesitas ni siquiera pedalera controladora, ya que viene integrada.
Saludos.
Saludos.
