Normal
One other possibility:I once powered up my RT 2/50 with no speaker load attached. This caused a short across the output speaker jack module, leaving me with no sound on one channel while the other was fine. Not sure if this applies to your situation.
One other possibility:
I once powered up my RT 2/50 with no speaker load attached. This caused a short across the output speaker jack module, leaving me with no sound on one channel while the other was fine. Not sure if this applies to your situation.