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History of the manufacturer  

SRA Svenska Radioaktiebolaget; Stockholm

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Name: SRA Svenska Radioaktiebolaget; Stockholm    (S)  
Abbreviation: sra
Products: Model types Others Tube manufacturer

SRA (Svenskradio) Svenska Radioaktiebolaget, LM Ericsson; Stockholm: Schweiz: Regionalvertretung: Senger AG; Zürich


Some models:
Country Year Name 1st Tube Notes
49/50 475ES   5 x KW 
49/50 492 AC/DC UCH21   
41/42 Radiola 410 Bat MDK21  Wood, dressed in cloth, carrying handle in leather. On the inside of the back-cover, th... 
27/28 Radiola M60 B205  Original tube Radiola-F = RE074, fitted inside upside down. External tubes (as pictured) o... 
27/28 Radiola M55 B205  2V according to cable tags; Owner was free to use 4V or 6V tube sets as well. 
27 Kristall M   Abstimmung erfolgt mit echtem Quetschkondensator. 
32/33 Radiola 322V E438M   
51 Radiola 521 (BAT) DK40   
47/48 Radiola 470 BAT MDK21  Marconi-Röhren, Ledertragegriff, eingebaute Rahmenantenne. 
25–27 Radiola M 30 DE3  Das Gerät M30 (M 30) existiert sowohl mit Schnecken- als auch mit Radialpotentiome... 
31/32 Radiola 312V E438M  2 Broadcast bands and 2 Long Wave bands: 190 - 360 m, 325 - 630 m, 615 - 1210 m, 1060 - 2... 
47 Radiolavox ED818PC   Volume control. Top slightly rounded.  


Further details for this manufacturer by the members (rmfiorg):

Firmen-Logo: SRA Svenska Radioaktiebolagettbn_sra__svenska_radioaktiebolagetlogo.jpg
um 1931 , ca. 17X17mmtbn_s_radiola_1.jpg
um 1931 , ca. 82X23mmtbn_s_radiola_2.jpg
Thanks for Mr.Horn Mihály, Hungary and Első Zalai Rádiómúzeum Alapítvány, First Zala County Radio Museum Foundation.tbn_s_sra_logo_1935.jpg
Radio Lyssnaren magazine, August 1928tbn_svenska_radiola_62_sweden_advert.png