Help: My Piezo on JP 15 has problem!!!

Help: My Piezo on JP 15 has problem!!!

Hi everybody!!
I’m from VietNam, my English is not good, but I hope somebody can understand and help me!
I have a JP-15, and when I open volume control of Piezo, OMG very noise!!! Please help me!!!!

Jp-15 piezo problem – YouTube

read more

Source: http://forums.ernieball.com