19 Element and Single Element Microphone

(A work in progress)

Element Arrangement

 19 panasonic WM-64K wired in parallel. The noise is uncorrelated and only increases by 13db, but the correlated audio increases by 26db. A 13 db increase in S/N ratio.

 
The WM-64K spec for S/N is 58db. We should get 71db S/N.

19 element. 1.2" dia.  mic in artificial pinna on AKG 240 Headphone.

Sensitivity:

 

1 element, .24" dia Mic in artificial pinna on AKG 240 Headphone.

Sensitivity: