John mcculloch

I have a svt pro 7 it’s kept in a gator 2unit case after an hour it starts cutting out and 3-5 seconds later cuts in is it overheating because it’s fine up to the first hour or so

I bought an Ampeg svt pro 7 seven year’s ago as I was gear sharing with a friend who has an Ampeg b2r I haven’t used my amp much as the band split I’ve tried to use my Ampeg pro 7 I am using an Ernie ball Musicman stingray(active) it keeps cutting out for three/five seconds ive spent£300 getting it serviced by 3 different people and told my amp is working fine but it’s not I’ve tried every setting available on the amp but it’s still misbehaving please help me as I am at my wits end thanks in advance