|  | Calibrated mic capsule set - Panasonic WM61A lot 4A14 
 A WM61A electric capsule microphone (ECM) as described in the August 2023 article on making a Calibrated Measurement Microphone.
 
 Included with the capsule are the required SMD 100Ω resistor and 6.8nF capacitor to flatten out the frequency response.
 
 Once we've sent the capsule, a download link will appear below this item so you can get the calibration files. The capsule will be numbered so you know which file to use.
 
 
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