One circuit TRF receiver with feedback
Brown painted metal case, lid made of black bakelite. Base made of wood painted black. Left: loudspeaker connection; right: 3 antenna connections, gramophone connection and earth connection. In the front two drum scales (0 - 10 degrees). Left: feedback, right: tuning. On the left and right knobs for fine-tuning. The band switch has three ranges: 1. 200-400 m, 2. 300-800 m, 3. 700-2000 m. A RE134 triode is used as rectifier. In later versions this valve was replaced by a real rectifier, the RGN354. In some models a second REN1004 is used, instead of the REN1104.
Data Valves
Serial number: none
Dimensions (w×h×d)): 20,5 × 21 × 24,5 cm
Made in: 1928
Purchased in: 2006
Sold in: 2022
Click on a valve for more information


What was broadcast in 1928?


Listen to "Wenn der weiße Flieder wieder blüht", from the Revue "Donnerwetter 1000 Frauen", by the Odeon Dance Orchestra, leader Dajos Béla, recorded in 1928

A look inside
Upper right: rectifier (in the section with the small grill)
Side view
Below: three different antenna connections and earth, above: connector for a gramophone player.
Detail of the lid
Advertisement in Radio Expres, November 8, 1929

This page was last edited on 25.12.2022