03-26-2016, 08:40 PM
Actually it is not amazing that it is still good. Low current plus the fact that transistor is somewhat symmetric (kinda) as it is NPN affer all. Just the two diodes are a bit different. Has it been large current with large V then maybe it would croak. Here it was simply very low gain amp
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.