1931 Article Indoor applications of air-coliumn horns by C.J. Brown Sep 16 Written By Iain This is a very early article on the proper horn for use in theater applications. BellGeneral ElectricRCAWestinghousetheater audio history Iain
1931 Article Indoor applications of air-coliumn horns by C.J. Brown Sep 16 Written By Iain This is a very early article on the proper horn for use in theater applications. BellGeneral ElectricRCAWestinghousetheater audio history Iain