The Whole Truth About Beryllium Diaphragms

[mowry 0]

After a year of research I uncovered and compiled an interesting story from within the loudspeaker industry. You can download my manuscript here, *************

Feel free to distribute this file.

[Mark LaFountain 1,054]

is this for real? Goes to a download zip file. Virus?!

[RobClay 20]

Ill scan it for viruses if needed