[Boatanchors] OT: Microphone Point Source

[Robert Nickels]

On 7/23/2013 1:42 PM, John Hensley wrote:
> very very small, almost like the points of a ball point pen"
Hi John,

The smallest microphones are MEMS types which typically are housed in 
packages about 3 by 4mm in size.  Surface mount, of course.   For 
examples from Knowles Acoustics, ST Micro and others, here's Mousers 
search link:

http://www.mouser.com/Sensors/Audio-Sensors/MEMS-Microphones/_/N-98yda/

73, Bob W9RAN