Horn loudspeaker
Slim copper horn with a brass and wood base.
Dr. Eugen Nesper (1879-1961) was a well known German radio pioneer, who wrote books and articles and published magazines about radio.
The brand name "Dr Nesper" was used for a number of items, including head sets and loudspeakers. It is quite certain that this loudspeaker was made by Telefon und Telegraphenbau AG W.A. Birgfeld, Prenzlauer Allee 55, Berlin. This company uses the same sinusoidal logo with concentric circles shown on the set screw of the speaker.
Serial number A3120
Dimensions (h w) 45 x  11.5 cm (the diameter of the flare is 15.6 cm)
Made in 1925  
Purchased in 2013
Sold in: 2024
DC resistance 2000 Ohms

What was broadcast in 1925?


Listen to "Tea for Two" by Eric Borchards Jazzband, recorded in Berlin in 1925.

The bottom of the loudspeaker

This page was last edited on 12.02.2024