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431; Deso, Dewald & Sohn; (ID = 17033) Radio
431; Deso, Dewald & Sohn; (ID = 292803) Radio 431; Deso, Dewald & Sohn; (ID = 352070) Radio
431; Deso, Dewald & Sohn; (ID = 2183419) Radio
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431; Deso, Dewald & Sohn; (ID = 292803) Radio
Deso, Dewald & Sohn;: 431 [Radio] ID = 292803 640x480
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For model 431, Deso, Dewald & Sohn; Zürich:
Deso 431WLH Baureihe 1934/35 (Saba)
Country:  Switzerland
Manufacturer / Brand:  Deso, Dewald & Sohn; Zürich
Year: 1934/1935 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: AK1 E447 or AF2 E444 E443H 1805
Main principle Super-Heterodyne (Super in general); ZF/IF 470 kHz
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage Alternating Current supply (AC)
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: 431 - Deso, Dewald & Sohn; Zürich
Material Wooden case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).
Notes 5 Bed.Elemente
Price in first year of sale 340.00 SFr
Collectors' prices  
External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb
Circuit diagram reference Thali-Schemasammlung und Tungsram-Röhrenbestückung.

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.