No, it wasn't a gen 1 problem only. Thinking that since you haven't experienced it means it doesn't exist is neither here nor there. I've read where owners tried to fix the ticking by dismantling the amp and installing rubber washers on the heat sinks.
When you try to bring an amp to market at bottom dollar, compromises have to be made.
When you try to bring an amp to market at bottom dollar, compromises have to be made.