Hi, 
I have an EBS 350 paired with a Neo 15 cab. 
I am experiencing an intermittent crackling  (On seperate occasions) which seems to be coming from the tweeter. 
I have used it on two seperate gigs where this has happened.But on a couple of other gigs there has been no problem. 
I am wondering if this is caused by bad electrics at the venues(pubs) 
Anbody else have this issue?