Hi, I have a problem with my HT 60 stage.
Works fine but after a time playing It It start pops.
And one valve do this (look video)
Some recommendation??
Thanks everyone
https://drive.google.com/file/d/13GH_vrn6lRwZnU_CWc1eBc4sBsDwF7PQ/view?usp=drivesdk