Listen to Historic Speakers - from 1924 to 1944 - Part 1

More details: You are watching historic loud speakers with their original sound (not all sound good :)!) Order: Jacobi Glockenlautsprecher, Gaumont Lumiére Haut Parleur, Telefunken Arcophon 8, Atwater Kent E2 Speaker, Körting Excello Konzert 2, Epoch