Calibrated Measurement Mic - August 2023 - Silicon Chip Online
If you have ever wanted to characterise or build loudspeakers but couldn’t justify the cost of a fancy microphone, or you want several microphones you can tailor for performance or recording, this project is for you. It’s a phantom-powered, balanced, calibrated microphone you can build for much less money than a commercial equivalent. by Phil Prosser
Source: siliconchip.com.au