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502

502; Deso, Dewald & Sohn; (ID = 17263) Radio
 
502; Deso, Dewald & Sohn; (ID = 17264) Radio
502; Deso, Dewald & Sohn; (ID = 294487) Radio 502; Deso, Dewald & Sohn; (ID = 294489) Radio
502; Deso, Dewald & Sohn; (ID = 294488) Radio 502; Deso, Dewald & Sohn; (ID = 811760) Radio
502; Deso, Dewald & Sohn; (ID = 1131746) Radio 502; Deso, Dewald & Sohn; (ID = 1342957) Radio
502; Deso, Dewald & Sohn; (ID = 1342960) Radio  
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502; Deso, Dewald & Sohn; (ID = 294487) Radio
Deso, Dewald & Sohn;: 502 [Radio] ID = 294487 933x613
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For model 502, Deso, Dewald & Sohn; Zürich
 
Country:  Switzerland
Manufacturer / Brand:  Deso, Dewald & Sohn; Zürich
Year: 1949–1951 Type: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: ECH21 ECH21 EBL21 AZ31 EM34
Principle Super-Heterodyne (Super in general); ZF/IF 470 kHz
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Details
Power type and voltage Alternating Current supply (AC) / 110-250 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 17 cm = 6.7 inch
Power out
from Radiomuseum.org Model: 502 - Deso, Dewald & Sohn; Zürich
Material Wooden case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 460 x 275 x 215 mm / 18.1 x 10.8 x 8.5 inch
Notes KW-"Pilot"
Net weight (2.2 lb = 1 kg) 9.1 kg / 20 lb 0.7 oz (20.044 lb)
Price in first year of sale 455.00 SFr
External source of data E. Erb 3-907007-36-0
Source of data -- Collector info (Sammler) / 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, 101 with images and 132 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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