Google Translate:

HF-Telefonrundspruch-Gerät 539

ID = 11965

Use red slider bar for more.

Deso, Dewald & Sohn;: HF-Telefonrundspruch-Gerät 539 [Radio] ID = 1232110 900x565

Select picture or schematic to display from thumbnails on the right and click for download.

For model HF-Telefonrundspruch-Gerät 539, Deso, Dewald & Sohn; Zürich

Country:

Manufacturer / Brand:

Year: 1952–1954

Category: Broadcast Receiver - or past WW2 Tuner

Valves / Tubes

5: ECH42 EF41 EBC41 EL41 AZ41

Main principle	Super-Heterodyne (Super in general); 2 AF stage(s)
Tuned circuits	6 AM circuit(s)
Wave bands	Long Wave and/or Very Low Frequency (VLF).
Details	Wired Wireless Receiver (RF!)
Power type and voltage	Alternating Current supply (AC) / 110; 125; 145; 220; 250 Volt
Loudspeaker	Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out
from Radiomuseum.org	Model: HF-Telefonrundspruch-Gerät 539 - Deso, Dewald & Sohn; Zürich
Material	Wooden case
Shape	Tablemodel, with any shape - general.
Dimensions (WHD)	455 x 285 x 195 mm / 17.9 x 11.2 x 7.7 inch
Notes	Nur Langwelle, 6 fest eingestellte Frequenzen für die 6 schweizer HF-TR-Sender.
Price in first year of sale	325.00 SFr
External source of data	E. Erb 3-907007-36-0
Source of data	Radiokatalog Band 2, Ernst Erb
Literature/Schematics (4)	-- Schematic

All listed radios etc. from Deso, Dewald & Sohn; Zürich
Here you find 182 models, 106 with images and 138 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.