jjss49 asked the right question. So, let me try to compare apples to apples. I own both brands. Keith makes very good equipment - musical, detailed, engaging - as does CJ. I have had my Herron power amps for close to 14 years, with upgrades. I have not found another power amp to replace them. And, I have tried. His preamp may be better. It has a sense of real music. I currently have a CJ ET5 with NOS tube. I would say that the new Herron 360 is a step ahead of the ET5 and closer to the ET7S2. I could live with either and never look back. You cannot go wrong with either. I hope this helps.