MROpen Evo @Affidea: very positive experience.

"I've had a very positive experience with the open resonance, I've tried many times to do the traditional resonance inside the tube but I've never succeeded."

[@eleonorabrescianini6290]

Buongiorno io sono come te,non riesco assolutamente a fare la risonanza chiusa, purtroppo qui a Bergamo non c'è tu dove sei andato a farla?