Indeed. In this case I was using my Sony MiniDisc player (yes, I still have one. Love it!), and ran through a pile of classical, jazz and rock, all recorded from vinyl to MD.
I do believe that you're right about the ER4 not being all that hot with portables. Even the 4P, which I also have, came to life in the different situation.
I do believe that you're right about the ER4 not being all that hot with portables. Even the 4P, which I also have, came to life in the different situation.