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Principal I (1)

Principal I ; Joba-Radio; St. (ID = 88238) Radio
 
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Principal I ; Joba-Radio; St. (ID = 1215476) Radio
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Principal I ; Joba-Radio; St. (ID = 112907) Radio
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Principal I ; Joba-Radio; St. (ID = 88228) Radio
Joba-Radio; St.: Principal I [Radio] ID = 88228 933x700
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For model Principal I (1), Joba-Radio; St. Ingbert (Saarland)
 
Country:  Germany
Manufacturer / Brand:  Joba-Radio; St. Ingbert (Saarland)
Year: 1949 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: ECH3 EBF2 EF9 EL3N EM4 1883
Main principle Superheterodyne (common); ZF/IF 475 kHz
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Details
Power type and voltage Alternating Current supply (AC) / 110/220 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21 cm = 8.3 inch
Power out 4 W (unknown quality)
from Radiomuseum.org Model: Principal I - Joba-Radio; St. Ingbert
Material Wooden case
Dimensions (WHD) 510 x 315 x 240 mm / 20.1 x 12.4 x 9.4 inch
Notes

Rote Röhren; Chassis aus Hartfaser. Anodenspannung aus Netz mit Spartrafo.

Net weight (2.2 lb = 1 kg) 8 kg / 17 lb 9.9 oz (17.621 lb)
Price in first year of sale 19'900.00 FRS
Source of data -- Collector info (Sammler) / Radiokatalog Band 2, Ernst Erb

Model page created by Jacob Roschy. See "Data change" for further contributors.



All listed radios etc. from Joba-Radio; St. Ingbert (Saarland)
Here you find 12 models, 11 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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