just to give you an idea 55dB is about the level of human conversation under normal circumstances, every 10dB increase is double that
a few cows in a field near a house will be more than 55dB !!!
Type: Posts; User: gonetropo
just to give you an idea 55dB is about the level of human conversation under normal circumstances, every 10dB increase is double that
a few cows in a field near a house will be more than 55dB !!!