On 3/3/2013 12:06 PM, Richards wrote: > Er... um... 70 amps... In my experience, 70A is NOT enough. I've run my Herc II from TWO Astron 70A linear supplies, each connected to half of the output stages, and with their regulator references tied together. That works fine. But only RS70 to run the amp will go into protect mode. 73, Jim K9YC