O oliphant New Member Sep 9, 2004 #1 Can anyone help please? What sort of microphone would be needed to pick up sounds conducted through a solid surface (Wall, door etc.) and what circuit would be needed to make the output ok to listen to. Thanks Oly
Can anyone help please? What sort of microphone would be needed to pick up sounds conducted through a solid surface (Wall, door etc.) and what circuit would be needed to make the output ok to listen to. Thanks Oly
G -=GST=- Nemisis (cs/cz) New Member Sep 9, 2004 #2 a good microphone touching the wall might work but you wuld have to make a pretty powerful one.