Yes! The answer is 100dBA. He is ten times closer to the PA than the nearby village, so he will measure +20dB
more than at the village.
Fritz invests in a lighting system just made up of several 500 Watt PAR cans. He does
a gig and gets his friend Dieter to run the lighting. The caretaker at the venue tells Dieter that the sockets for lighting
rigs are all rated 20 amps and are single phase. How many PAR cans can Dieter run from each socket without blowing the fuses
in Europe. His trusty multimeter tells him he has a mains voltage of 220V?