help me find something

[BroKenSticKs]

i'm looking for a thread that was started awhile back about making microphones with speakers...i cant seam to find it using the search function...

thanx

 

[pdadda]

https://homerecording.com/bbs/showthread.php?t=142932

 

[pdadda]

http://www.zyra.org.uk/sp-mic.htm

 

[BroKenSticKs]

thanx.......

 

[DJL]

thanx.......

Are you going to make one?