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Rio 288

Rio 288; Deso, Dewald & Sohn, (ID = 16987) Radio
 
Rio 288; Deso, Dewald & Sohn, (ID = 16988) Radio
Rio 288; Deso, Dewald & Sohn, (ID = 1495) Radio Rio 288; Deso, Dewald & Sohn, (ID = 707491) Radio
Rio 288; Deso, Dewald & Sohn, (ID = 1561875) Radio Rio 288; Deso, Dewald & Sohn, (ID = 1561876) Radio
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Rio 288; Deso, Dewald & Sohn, (ID = 1495) Radio
Deso, Dewald & Sohn,: Rio 288 [Radio] ID = 1495 692x525
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For model Rio 288, Deso, Dewald & Sohn, Dewald AG; Zürich
 
Country:  Switzerland
Manufacturer / Brand:  Deso, Dewald & Sohn, Dewald AG; Zürich
Year: 1937/1938 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 6A8G 6K7G 6H6G 6J7G 6E5 6A5G 5Y4G or 5V4G
Main principle Superheterodyne (common); 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; 125; 145; 220; 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: Rio 288 - Deso, Dewald & Sohn, Dewald AG
Material Wooden case
Dimensions (WHD) 550 x 400 x 310 mm / 21.7 x 15.7 x 12.2 inch
Notes Bandbreitenregelung gekoppelt mit Tonblende. 2 Soffittenlämpchen als Skalenbeleuchtung.
Net weight (2.2 lb = 1 kg) 18 kg / 39 lb 10.4 oz (39.648 lb)
Price in first year of sale 440.00 SFr
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.
Picture reference Das Modell ist im «Radiokatalog» (Erb) abgebildet.


All listed radios etc. from Deso, Dewald & Sohn, Dewald AG; Zürich
Here you find 183 models, 109 with images and 152 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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