Thanks for the quick answers. Some more details about what I'm doing: I need to simultaneously record PLC signals from two different powerline systems, which may or may not be on the same transformer.
Please let me know what other info you'd like me to provide in order for you to make a...
Hi all,
I need to simultaneously record the AC signal from two separate wall 120v AC signals with a scope. I've got a metal enclosure with two step-down transformers (neutral and hot of each input go the transformer, and ground goes to the enclosure). The secondary of each transformer goes to...
Greg and Rob, thanks for the advice.
I'll try using a foam block, with a small metal plate on the bottom for strain relief on the cables (and hopefully some attenuation of waves travelling down the wire toward the mics), and I'll give hot glue and rubber rings a try as well.
Greg- I'm thinking...
Hi,
I'm building a microphone array (4 small electret mics) to do field recordings of speech, and would like some advice for what materials to build the housing out of. I've built a prototype out of light wood and placed the mics into small holes that are drilled to exactly the size of the mic...